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<h1 id="dev_page_title">Bot API changelog</h1>
<div id="dev_page_content"><!-- scroll_nav -->
<blockquote>
<p>The Bot API is an HTTP-based interface created for developers keen on building bots for Telegram.<br>To learn how to create and set up a bot, please consult our <a href="https://core.telegram.org/bots"><strong>Introduction to Bots »</strong></a></p>
</blockquote>
<p>You will find all changes to our <a href="/bots/api"><strong>Bot API</strong></a> on this page.</p>
<h3><a class="anchor" name="recent-changes" href="#recent-changes"><i class="anchor-icon"></i></a>Recent changes</h3>
<blockquote>
<p>Subscribe to <a href="https://t.me/botnews">@BotNews</a> to be the first to know about the latest updates and join the discussion in <a href="https://t.me/bottalk">@BotTalk</a></p>
</blockquote>
<h3><a class="anchor" name="december-30-2021" href="#december-30-2021"><i class="anchor-icon"></i></a>December 30, 2021</h3>
<p><strong>Bot API 5.6</strong></p>
<ul>
<li>Improved support for <a href="https://telegram.org/blog/protected-content-delete-by-date-and-more#protected-content-in-groups-and-channels">Protected Content</a>.</li>
<li>Added the parameter <em>protect_content</em> to the methods <a href="/bots/api#sendmessage">sendMessage</a>, <a href="/bots/api#sendphoto">sendPhoto</a>, <a href="/bots/api#sendvideo">sendVideo</a>, <a href="/bots/api#sendanimation">sendAnimation</a>, <a href="/bots/api#sendaudio">sendAudio</a>, <a href="/bots/api#senddocument">sendDocument</a>, <a href="/bots/api#sendsticker">sendSticker</a>, <a href="/bots/api#sendvideonote">sendVideoNote</a>, <a href="/bots/api#sendvoice">sendVoice</a>, <a href="/bots/api#sendlocation">sendLocation</a>, <a href="/bots/api#sendvenue">sendVenue</a>, <a href="/bots/api#sendcontact">sendContact</a>, <a href="/bots/api#sendpoll">sendPoll</a>, <a href="/bots/api#senddice">sendDice</a>, <a href="/bots/api#sendinvoice">sendInvoice</a>, <a href="/bots/api#sendgame">sendGame</a>, <a href="/bots/api#sendmediagroup">sendMediaGroup</a>, <a href="/bots/api#copymessage">copyMessage</a>, <a href="/bots/api#forwardmessage">forwardMessage</a> to allow sending messages with protected content to any chat.</li>
<li>Added support for <a href="https://telegram.org/blog/reactions-spoilers-translations#spoilers">spoiler entities</a>, which will work in Telegram versions released after December 30, 2021. Older clients will display <em>unsupported message</em>.</li>
<li>Added new <a href="/bots/api#messageentity">MessageEntity</a> type “spoiler”.</li>
<li>Added the ability to specify spoiler entities using <a href="/bots/api#html-style">HTML</a> and <a href="/bots/api#markdownv2-style">MarkdownV2</a> formatting options.</li>
</ul>
<h3><a class="anchor" name="december-7-2021" href="#december-7-2021"><i class="anchor-icon"></i></a>December 7, 2021</h3>
<p><strong>Bot API 5.5</strong></p>
<ul>
<li>Bots are now allowed to contact users who sent a join request to a chat where the bot is an administrator with the <em>can_invite_users</em> administrator right – even if the user never interacted with the bot before.</li>
<li>Added support for mentioning users by their ID in inline keyboards. This will only work in Telegram versions released after December 7, 2021. Older clients will display <em>unsupported message</em>.</li>
<li>Added the methods <a href="/bots/api#banchatsenderchat">banChatSenderChat</a> and <a href="/bots/api#unbanchatsenderchat">unbanChatSenderChat</a> for banning and unbanning channel chats in supergroups and channels.</li>
<li>Added the field <em>has_private_forwards</em> to the class <a href="/bots/api#chat">Chat</a> for private chats, which can be used to check the possibility of mentioning the user by their ID.</li>
<li>Added the field <em>has_protected_content</em> to the classes <a href="/bots/api#chat">Chat</a> and <a href="/bots/api#message">Message</a>.</li>
<li>Added the field <em>is_automatic_forward</em> to the class <a href="/bots/api#message">Message</a>.</li>
</ul>
<p><strong>Note:</strong> After this update it will become impossible to forward messages from some chats. Use the fields <em>has_protected_content</em> in the classes <a href="/bots/api#message">Message</a> and <a href="/bots/api#chat">Chat</a> to check this.</p>
<p><strong>Note:</strong> After this update users are able to send messages on behalf of channels they own. Bots are expected to use the field <em>sender_chat</em> in the class <a href="/bots/api#message">Message</a> to correctly support such messages.</p>
<p><strong>Note:</strong> As previously announced, user identifiers can now have up to 52 significant bits and require a 64-bit integer or double-precision float type to be stored safely.</p>
<h3><a class="anchor" name="november-5-2021" href="#november-5-2021"><i class="anchor-icon"></i></a>November 5, 2021</h3>
<p><strong>Bot API 5.4</strong></p>
<ul>
<li>Added the the parameter <code>creates_join_request</code> to the methods <a href="/bots/api#createchatinvitelink">createChatInviteLink</a> and <a href="/bots/api#editchatinvitelink">editChatInviteLink</a> for managing chat invite links that create join requests (read more about this on our <a href="https://telegram.org/blog/shared-media-scrolling-calendar-join-requests-and-more#join-requests-for-groups-and-channels">blog</a>).</li>
<li>Added the fields <code>creates_join_request</code> and <code>pending_join_request_count</code> to the class <a href="/bots/api#chatinvitelink">ChatInviteLink</a>.</li>
<li>Added the field <code>name</code> to the class <a href="/bots/api#chatinvitelink">ChatInviteLink</a> and the parameters <code>name</code> to the methods <a href="/bots/api#createchatinvitelink">createChatInviteLink</a> and <a href="/bots/api#editchatinvitelink">editChatInviteLink</a> for managing <a href="https://telegram.org/blog/shared-media-scrolling-calendar-join-requests-and-more#unique-names-for-invite-links">invite link names</a>.</li>
<li>Added updates about new requests to join the chat, represented by the class <a href="/bots/api#chatjoinrequest">ChatJoinRequest</a> and the field <em>chat_join_request</em> in the <a href="/bots/api#update">Update</a> class. The bot must be an administrator in the chat with the <em>can_invite_users</em> administrator right to receive these updates.</li>
<li>Added the methods <a href="/bots/api#approvechatjoinrequest">approveChatJoinRequest</a> and <a href="/bots/api#declinechatjoinrequest">declineChatJoinRequest</a> for managing requests to join the chat.</li>
<li>Added support for the <em>choose_sticker</em> action in the method <a href="/bots/api#sendchataction">sendChatAction</a>.</li>
</ul>
<hr>
<blockquote>
<p><strong><img class="emoji" src="//telegram.org/img/emoji/40/E29AA0.png" width="20" height="20" alt="⚠️" /> WARNING! <img class="emoji" src="//telegram.org/img/emoji/40/E29AA0.png" width="20" height="20" alt="⚠️" /></strong><br>User identifiers will become bigger than <code>2^31 - 1</code> before the end of this year and it will be no longer possible to store them in a signed 32-bit integer type. User identifiers will have up to 52 significant bits, so a 64-bit integer or double-precision float type would still be safe for storing them. Please make sure that your code can correctly handle such user identifiers.</p>
</blockquote>
<hr>
<h3><a class="anchor" name="june-25-2021" href="#june-25-2021"><i class="anchor-icon"></i></a>June 25, 2021</h3>
<p><strong>Bot API 5.3</strong></p>
<p><strong>Personalized Commands</strong></p>
<ul>
<li>Bots can now show lists of commands tailored to specific situations - including localized commands for users with different languages, as well as different commands based on chat type or for specific chats, and special lists of commands for chat admins.</li>
<li>Added the class <a href="/bots/api#botcommandscope">BotCommandScope</a>, describing the scope to which bot commands apply.</li>
<li>Added the parameters <code>scope</code> and <code>language_code</code> to the method <a href="/bots/api#setmycommands">setMyCommands</a> to allow bots specify different commands for different chats and users.</li>
<li>Added the parameters <code>scope</code> and <code>language_code</code> to the method <a href="/bots/api#getmycommands">getMyCommands</a>.</li>
<li>Added the method <a href="/bots/api#deletemycommands">deleteMyCommands</a> to allow deletion of the bot&#39;s commands for the given scope and user language.</li>
<li>Improved visibility of bot commands in Telegram apps with the new &#39;Menu&#39; button in chats with bots, read more on the <a href="https://telegram.org/blog/animated-backgrounds#bot-menu">blog</a>.</li>
</ul>
<p><strong>Custom Placeholders</strong></p>
<ul>
<li>Added the ability to specify a custom input field placeholder in the classes <a href="/bots/api#replykeyboardmarkup">ReplyKeyboardMarkup</a> and <a href="/bots/api#forcereply">ForceReply</a>.</li>
</ul>
<p><strong>And More</strong></p>
<ul>
<li>Improved documentation of the class <a href="/bots/api#chatmember">ChatMember</a> by splitting it into 6 subclasses.</li>
<li>Renamed the method <code>kickChatMember</code> to <a href="/bots/api#banchatmember">banChatMember</a>. The old method name can still be used.</li>
<li>Renamed the method <code>getChatMembersCount</code> to <a href="/bots/api#getchatmembercount">getChatMemberCount</a>. The old method name can still be used.</li>
<li>Values of the field <code>file_unique_id</code> in objects of the type <a href="/bots/api#photosize">PhotoSize</a> and of the fields <code>small_file_unique_id</code> and <code>big_file_unique_id</code> in objects of the type <a href="/bots/api#chatphoto">ChatPhoto</a> were changed.</li>
</ul>
<hr>
<blockquote>
<p><strong><img class="emoji" src="//telegram.org/img/emoji/40/E29AA0.png" width="20" height="20" alt="⚠️" /> WARNING! <img class="emoji" src="//telegram.org/img/emoji/40/E29AA0.png" width="20" height="20" alt="⚠️" /></strong><br>After one of the upcoming Bot API updates, user identifiers will become bigger than <code>2^31 - 1</code> and it will be no longer possible to store them in a signed 32-bit integer type. User identifiers will have up to 52 significant bits, so a 64-bit integer or double-precision float type would still be safe for storing them. Please make sure that your code can correctly handle such user identifiers.</p>
</blockquote>
<hr>
<h3><a class="anchor" name="april-26-2021" href="#april-26-2021"><i class="anchor-icon"></i></a>April 26, 2021</h3>
<p><strong>Bot API 5.2</strong></p>
<ul>
<li>Support for <a href="https://telegram.org/blog/payments-2-0-scheduled-voice-chats">Payments 2.0</a>, see <a href="https://core.telegram.org/bots/payments">this manual</a> for more details about the <strong>Bot Payments API</strong>.</li>
<li>Added the type <a href="/bots/api#inputinvoicemessagecontent">InputInvoiceMessageContent</a> to support sending invoices as inline query results.</li>
<li>Allowed sending invoices to group, supergroup and channel chats.</li>
<li>Added the fields <em>max_tip_amount</em> and <em>suggested_tip_amounts</em> to the method <a href="/bots/api#sendinvoice">sendInvoice</a> to allow adding optional tips to the payment.</li>
<li>The parameter <em>start_parameter</em> of the method <a href="/bots/api#sendinvoice">sendInvoice</a> became optional. If the parameter isn&#39;t specified, the invoice can be paid directly from forwarded messages.</li>
<li>Added the field <em>chat_type</em> to the class <a href="/bots/api#inlinequery">InlineQuery</a>, containing the type of the chat, from which the inline request was sent.</li>
<li>Added the type <a href="/bots/api#voicechatscheduled">VoiceChatScheduled</a> and the field <em>voice_chat_scheduled</em> to the class <a href="/bots/api#message">Message</a>.</li>
<li>Fixed an error in <a href="/bots/api#sendchataction">sendChatAction</a> documentation to correctly mention “record_voice” and “upload_voice” instead of “record_audio” and “upload_audio” for related to voice note actions. Old action names will still work for backward compatibility.</li>
</ul>
<hr>
<blockquote>
<p><strong><img class="emoji" src="//telegram.org/img/emoji/40/E29AA0.png" width="20" height="20" alt="⚠️" /> WARNING! <img class="emoji" src="//telegram.org/img/emoji/40/E29AA0.png" width="20" height="20" alt="⚠️" /></strong><br>After the next Bot API update (Bot API 5.3) there will be a one-time change of the value of the field <code>file_unique_id</code> in objects of the type <a href="/bots/api#photosize">PhotoSize</a> and of the fields <code>small_file_unique_id</code> and <code>big_file_unique_id</code> in objects of the type <a href="/bots/api#chatphoto">ChatPhoto</a>.</p>
</blockquote>
<hr>
<blockquote>
<p><strong><img class="emoji" src="//telegram.org/img/emoji/40/E29AA0.png" width="20" height="20" alt="⚠️" /> WARNING! <img class="emoji" src="//telegram.org/img/emoji/40/E29AA0.png" width="20" height="20" alt="⚠️" /></strong><br>Service messages about non-bot users joining the chat will be soon removed from large groups. We recommend using the “chat_member” update as a replacement.</p>
</blockquote>
<hr>
<blockquote>
<p><strong><img class="emoji" src="//telegram.org/img/emoji/40/E29AA0.png" width="20" height="20" alt="⚠️" /> WARNING! <img class="emoji" src="//telegram.org/img/emoji/40/E29AA0.png" width="20" height="20" alt="⚠️" /></strong><br>After one of the upcoming Bot API updates, user identifiers will become bigger than <code>2^31 - 1</code> and it will be no longer possible to store them in a signed 32-bit integer type. User identifiers will have up to 52 significant bits, so a 64-bit integer or double-precision float type would still be safe for storing them. Please make sure that your code can correctly handle such user identifiers.</p>
</blockquote>
<hr>
<h3><a class="anchor" name="march-9-2021" href="#march-9-2021"><i class="anchor-icon"></i></a>March 9, 2021</h3>
<p><strong>Bot API 5.1</strong></p>
<p><strong>Added two new update types</strong></p>
<ul>
<li>Added updates about member status changes in chats, represented by the class <a href="/bots/api#chatmemberupdated">ChatMemberUpdated</a> and the fields <em>my_chat_member</em> and <em>chat_member</em> in the <a href="/bots/api#update">Update</a> class. The bot must be an administrator in the chat to receive <em>chat_member</em> updates about other chat members. By default, only <em>my_chat_member</em> updates about the bot itself are received.</li>
</ul>
<p><strong>Improved Invite Links</strong></p>
<ul>
<li>Added the class <a href="/bots/api#chatinvitelink">ChatInviteLink</a>, representing an invite link to a chat.</li>
<li>Added the method <a href="/bots/api#createchatinvitelink">createChatInviteLink</a>, which can be used to create new invite links in addition to the primary invite link.</li>
<li>Added the method <a href="/bots/api#editchatinvitelink">editChatInviteLink</a>, which can be used to edit non-primary invite links created by the bot.</li>
<li>Added the method <a href="/bots/api#revokechatinvitelink">revokeChatInviteLink</a>, which can be used to revoke invite links created by the bot.</li>
</ul>
<p><strong>Voice Chat Info</strong></p>
<ul>
<li>Added the type <a href="/bots/api#voicechatstarted">VoiceChatStarted</a> and the field <em>voice_chat_started</em> to the class <a href="/bots/api#message">Message</a>.</li>
<li>Added the type <a href="/bots/api#voicechatended">VoiceChatEnded</a> and the field <em>voice_chat_ended</em> to the class <a href="/bots/api#message">Message</a>.</li>
<li>Added the type <a href="/bots/api#voicechatparticipantsinvited">VoiceChatParticipantsInvited</a> and the field <em>voice_chat_participants_invited</em> to the class <a href="/bots/api#message">Message</a>.</li>
<li>Added the new administrator privilege <em>can_manage_voice_chats</em> to the class <a href="/bots/api#chatmember">ChatMember</a> and parameter <em>can_manage_voice_chats</em> to the method <a href="/bots/api#promotechatmember">promoteChatMember</a>. For now, bots can use this privilege only for passing to other administrators.</li>
</ul>
<p><strong>And More</strong></p>
<ul>
<li>Added the type <a href="/bots/api#messageautodeletetimerchanged">MessageAutoDeleteTimerChanged</a> and the field <em>message_auto_delete_timer_changed</em> to the class <a href="/bots/api#message">Message</a>.</li>
<li>Added the parameter <em>revoke_messages</em> to the method <a href="/bots/api#kickchatmember">kickChatMember</a>, allowing to delete all messages from a group for the user who is being removed.</li>
<li>Added the new administrator privilege <em>can_manage_chat</em> to the class <a href="/bots/api#chatmember">ChatMember</a> and parameter <em>can_manage_chat</em> to the method <a href="/bots/api#promotechatmember">promoteChatMember</a>. This administrator right is implied by any other administrator privilege.</li>
<li>Supported the new <em>bowling</em> animation for the random <a href="/bots/api#dice">dice</a>. Choose between different animations (dice, darts, basketball, football, bowling, slot machine) by specifying the <em>emoji</em> parameter in the method <a href="/bots/api#senddice">sendDice</a>.</li>
</ul>
<hr>
<blockquote>
<p><strong><img class="emoji" src="//telegram.org/img/emoji/40/E29AA0.png" width="20" height="20" alt="⚠️" /> WARNING! <img class="emoji" src="//telegram.org/img/emoji/40/E29AA0.png" width="20" height="20" alt="⚠️" /></strong><br>After one of the upcoming Bot API updates, some user identifiers will become bigger than <code>2^31 - 1</code> and it will be no longer possible to store them in a signed 32-bit integer type. User identifiers will have up to 52 significant bits, so a 64-bit integer or double-precision float type would still be safe for storing them. Please make sure that your code can correctly handle such user identifiers.</p>
</blockquote>
<hr>
<h3><a class="anchor" name="november-4-2020" href="#november-4-2020"><i class="anchor-icon"></i></a>November 4, 2020</h3>
<p>Introducing <strong>Bot API 5.0</strong></p>
<p><strong>Run Your Own Bot API Server</strong></p>
<ul>
<li>Bot API source code is now available at <a href="https://github.com/tdlib/telegram-bot-api">telegram-bot-api</a>. You can now run your <strong>own Bot API server</strong> locally, boosting your bots&#39; performance.</li>
<li>Added the method <a href="/bots/api#logout">logOut</a>, which can be used to log out from the cloud Bot API server before launching your bot locally. You <strong>must</strong> log out the bot before running it locally, otherwise there is no guarantee that the bot will receive all updates.</li>
<li>Added the method <a href="/bots/api#close">close</a>, which can be used to close the bot instance before moving it from one local server to another.</li>
</ul>
<p><strong>Transfer Bot Ownership</strong></p>
<ul>
<li>You can now use <a href="https://t.me/botfather">@BotFather</a> to transfer your existing bots to another Telegram account. </li>
</ul>
<p><strong>Webhooks</strong></p>
<ul>
<li>Added the parameter <em>ip_address</em> to the method <a href="/bots/api#setwebhook">setWebhook</a>, allowing to bypass DNS resolving and use the specified fixed IP address to send webhook requests.</li>
<li>Added the field <em>ip_address</em> to the class <a href="/bots/api#webhookinfo">WebhookInfo</a>, containing the current IP address used for webhook connections creation.</li>
<li>Added the ability to drop all pending updates when changing webhook URL using the parameter <em>drop_pending_updates</em> in the methods <a href="/bots/api#setwebhook">setWebhook</a> and <a href="/bots/api#deletewebhook">deleteWebhook</a>.</li>
</ul>
<p><strong>Working with Groups</strong></p>
<ul>
<li>The <a href="/bots/api#getchat">getChat</a> request now returns the user&#39;s bio for private chats if available.</li>
<li>The <a href="/bots/api#getchat">getChat</a> request now returns the identifier of the linked chat for supergroups and channels, i.e. the discussion group identifier for a channel and vice versa.</li>
<li>The <a href="/bots/api#getchat">getChat</a> request now returns the location to which the supergroup is connected (see <a href="https://telegram.org/blog/contacts-local-groups">Local Groups</a>). Added the class <a href="/bots/api#chatlocation">ChatLocation</a> to represent the location.</li>
<li>Added the parameter <em>only_if_banned</em> to the method <a href="/bots/api#unbanchatmember">unbanChatMember</a> to allow safe unban.</li>
</ul>
<p><strong>Working with Files</strong></p>
<ul>
<li>Added the field <em>file_name</em> to the classes <a href="/bots/api#audio">Audio</a> and <a href="/bots/api#video">Video</a>, containing the name of the original file.</li>
<li>Added the ability to disable server-side file content type detection using the parameter <em>disable_content_type_detection</em> in the method <a href="/bots/api#senddocument">sendDocument</a> and the class <a href="/bots/api#inputmediadocument">inputMediaDocument</a>.</li>
</ul>
<p><strong>Multiple Pinned Messages</strong></p>
<ul>
<li>Added the ability to <strong>pin messages in private chats</strong>.</li>
<li>Added the parameter <em>message_id</em> to the method <a href="/bots/api#unpinchatmessage">unpinChatMessage</a> to allow unpinning of the specific pinned message.</li>
<li>Added the method <a href="/bots/api#unpinallchatmessages">unpinAllChatMessages</a>, which can be used to unpin all pinned messages in a chat.</li>
</ul>
<p><strong>File Albums</strong></p>
<ul>
<li>Added support for sending and receiving audio and document albums in the method <a href="/bots/api#sendmediagroup">sendMediaGroup</a>.</li>
</ul>
<p><strong>Live Locations</strong></p>
<ul>
<li>Added the field <em>live_period</em> to the class <a href="/bots/api#location">Location</a>, representing a maximum period for which the live location can be updated.</li>
<li>Added support for live location <a href="https://en.wikipedia.org/wiki/Heading_(navigation&#41;">heading</a>: added the field <em>heading</em> to the classes <a href="/bots/api#location">Location</a>, <a href="/bots/api#inlinequeryresultlocation">InlineQueryResultLocation</a>, <a href="/bots/api#inputlocationmessagecontent">InputLocationMessageContent</a> and the parameter <em>heading</em> to the methods <a href="/bots/api#sendlocation">sendLocation</a> and <a href="/bots/api#editmessagelivelocation">editMessageLiveLocation</a>.</li>
<li>Added support for proximity alerts in live locations: added the field <em>proximity_alert_radius</em> to the classes <a href="/bots/api#location">Location</a>, <a href="/bots/api#inlinequeryresultlocation">InlineQueryResultLocation</a>, <a href="/bots/api#inputlocationmessagecontent">InputLocationMessageContent</a> and the parameter <em>proximity_alert_radius</em> to the methods <a href="/bots/api#sendlocation">sendLocation</a> and <a href="/bots/api#editmessagelivelocation">editMessageLiveLocation</a>.</li>
<li>Added the type <a href="/bots/api#proximityalerttriggered">ProximityAlertTriggered</a> and the field <em>proximity_alert_triggered</em> to the class <a href="/bots/api#message">Message</a>.</li>
<li>Added possibility to specify the horizontal accuracy of a location. Added the field <em>horizontal_accuracy</em> to the classes <a href="/bots/api#location">Location</a>, <a href="/bots/api#inlinequeryresultlocation">InlineQueryResultLocation</a>, <a href="/bots/api#inputlocationmessagecontent">InputLocationMessageContent</a> and the parameter <em>horizontal_accuracy</em> to the methods <a href="/bots/api#sendlocation">sendLocation</a> and <a href="/bots/api#editmessagelivelocation">editMessageLiveLocation</a>.</li>
</ul>
<p><strong>Anonymous Admins</strong></p>
<ul>
<li>Added the field <em>sender_chat</em> to the class <a href="/bots/api#message">Message</a>, containing the sender of a message which is a chat (group or channel). For backward compatibility in non-channel chats, the field <em>from</em> in such messages will contain the user 777000 for messages automatically forwarded to the discussion group and the user 1087968824 (<a href="https://t.me/GroupAnonymousBot">@GroupAnonymousBot</a>) for messages from anonymous group administrators.</li>
<li>Added the field <em>is_anonymous</em> to the class <a href="/bots/api#chatmember">chatMember</a>, which can be used to distinguish anonymous chat administrators.</li>
<li>Added the parameter <em>is_anonymous</em> to the method <a href="/bots/api#promotechatmember">promoteChatMember</a>, which allows to promote anonymous chat administrators. The bot itself should have the <em>is_anonymous</em> right to do this. Despite the fact that bots can have the <em>is_anonymous</em> right, they will never appear as anonymous in the chat. Bots can use the right only for passing to other administrators.</li>
<li>Added the custom title of an anonymous message sender to the class <a href="/bots/api#message">Message</a> as <em>author_signature</em>.</li>
</ul>
<p><strong>And More</strong></p>
<ul>
<li>Added the method <a href="/bots/api#copymessage">copyMessage</a>, which sends a copy of any message.</li>
<li>Maximum poll question length increased to 300.</li>
<li>Added the ability to manually specify text entities instead of specifying the <em>parse_mode</em> in the classes <a href="/bots/api#inputmediaphoto">InputMediaPhoto</a>, <a href="/bots/api#inputmediavideo">InputMediaVideo</a>, <a href="/bots/api#inputmediaanimation">InputMediaAnimation</a>, <a href="/bots/api#inputmediaaudio">InputMediaAudio</a>, <a href="/bots/api#inputmediadocument">InputMediaDocument</a>, <a href="/bots/api#inlinequeryresultphoto">InlineQueryResultPhoto</a>, <a href="/bots/api#inlinequeryresultgif">InlineQueryResultGif</a>, <a href="/bots/api#inlinequeryresultmpeg4gif">InlineQueryResultMpeg4Gif</a>, <a href="/bots/api#inlinequeryresultvideo">InlineQueryResultVideo</a>, <a href="/bots/api#inlinequeryresultaudio">InlineQueryResultAudio</a>, <a href="/bots/api#inlinequeryresultvoice">InlineQueryResultVoice</a>, <a href="/bots/api#inlinequeryresultdocument">InlineQueryResultDocument</a>, <a href="/bots/api#inlinequeryresultcachedphoto">InlineQueryResultCachedPhoto</a>, <a href="/bots/api#inlinequeryresultcachedgif">InlineQueryResultCachedGif</a>, <a href="/bots/api#inlinequeryresultcachedmpeg4gif">InlineQueryResultCachedMpeg4Gif</a>, <a href="/bots/api#inlinequeryresultcachedvideo">InlineQueryResultCachedVideo</a>, <a href="/bots/api#inlinequeryresultcachedaudio">InlineQueryResultCachedAudio</a>, <a href="/bots/api#inlinequeryresultcachedvoice">InlineQueryResultCachedVoice</a>, <a href="/bots/api#inlinequeryresultcacheddocument">InlineQueryResultCachedDocument</a>, <a href="/bots/api#inputtextmessagecontent">InputTextMessageContent</a> and the methods <a href="/bots/api#sendmessage">sendMessage</a>, <a href="/bots/api#sendphoto">sendPhoto</a>, <a href="/bots/api#sendvideo">sendVideo</a>, <a href="/bots/api#sendanimation">sendAnimation</a>, <a href="/bots/api#sendaudio">sendAudio</a>, <a href="/bots/api#senddocument">sendDocument</a>, <a href="/bots/api#sendvoice">sendVoice</a>, <a href="/bots/api#sendpoll">sendPoll</a>, <a href="/bots/api#editmessagetext">editMessageText</a>, <a href="/bots/api#editmessagecaption">editMessageCaption</a>.</li>
<li>Added the fields <em>google_place_id</em> and <em>google_place_type</em> to the classes <a href="/bots/api#venue">Venue</a>, <a href="/bots/api#inlinequeryresultvenue">InlineQueryResultVenue</a>, <a href="/bots/api#inputvenuemessagecontent">InputVenueMessageContent</a> and the optional parameters <em>google_place_id</em> and <em>google_place_type</em> to the method <a href="/bots/api#sendvenue">sendVenue</a> to support Google Places as a venue API provider.</li>
<li>Added the field <em>allow_sending_without_reply</em> to the methods <a href="/bots/api#sendmessage">sendMessage</a>, <a href="/bots/api#sendphoto">sendPhoto</a>, <a href="/bots/api#sendvideo">sendVideo</a>, <a href="/bots/api#sendanimation">sendAnimation</a>, <a href="/bots/api#sendaudio">sendAudio</a>, <a href="/bots/api#senddocument">sendDocument</a>, <a href="/bots/api#sendsticker">sendSticker</a>, <a href="/bots/api#sendvideonote">sendVideoNote</a>, <a href="/bots/api#sendvoice">sendVoice</a>, <a href="/bots/api#sendlocation">sendLocation</a>, <a href="/bots/api#sendvenue">sendVenue</a>, <a href="/bots/api#sendcontact">sendContact</a>, <a href="/bots/api#sendpoll">sendPoll</a>, <a href="/bots/api#senddice">sendDice</a>, <a href="/bots/api#sendinvoice">sendInvoice</a>, <a href="/bots/api#sendgame">sendGame</a>, <a href="/bots/api#sendmediagroup">sendMediaGroup</a> to allow sending messages not a as reply if the replied-to message has already been deleted.</li>
</ul>
<p><strong>And Last but not Least</strong></p>
<ul>
<li>Supported the new <strong>football</strong> and <strong>slot machine</strong> animations for the random <a href="/bots/api#dice">dice</a>. Choose between different animations (dice, darts, basketball, football, slot machine) by specifying the <em>emoji</em> parameter in the method <a href="/bots/api#senddice">sendDice</a>.</li>
</ul>
<h3><a class="anchor" name="june-4-2020" href="#june-4-2020"><i class="anchor-icon"></i></a>June 4, 2020</h3>
<p><strong>Bot API 4.9</strong></p>
<ul>
<li>Added the new field <em>via_bot</em> to the <a href="/bots/api#message">Message</a> object. You can now know which bot was used to send a message.</li>
<li>Supported video thumbnails for inline <a href="/bots/api#inlinequeryresultgif">GIF</a> and <a href="/bots/api#inlinequeryresultmpeg4gif">MPEG4</a> animations.</li>
<li>Supported the new basketball animation for the random <a href="/bots/api#dice">dice</a>. Choose between different animations (dice, darts, basketball) by specifying the <em>emoji</em> parameter in the method <a href="/bots/api#senddice">sendDice</a>.</li>
</ul>
<h3><a class="anchor" name="april-24-2020" href="#april-24-2020"><i class="anchor-icon"></i></a>April 24, 2020</h3>
<p><strong>Bot API 4.8</strong></p>
<ul>
<li>Supported explanations for <a href="https://telegram.org/blog/400-million#better-quizzes">Quizzes 2.0</a>. Add explanations by specifying the parameters <em>explanation</em> and <em>explanation_parse_mode</em> in the method <a href="/bots/api#sendpoll">sendPoll</a>.</li>
<li>Added the fields <em>explanation</em> and <em>explanation_entities</em> to the <a href="/bots/api#poll">Poll</a> object.</li>
<li>Supported timed polls that automatically close at a certain date and time. Set up by specifying the parameter <em>open_period</em> or <em>close_date</em> in the method <a href="/bots/api#sendpoll">sendPoll</a>.</li>
<li>Added the fields <em>open_period</em> and <em>close_date</em> to the <a href="/bots/api#poll">Poll</a> object.</li>
<li>Supported the new <a href="https://telegram.org/blog/400-million#bullseye">darts</a> animation for the dice mini-game. Choose between the default dice animation and darts animation by specifying the parameter <em>emoji</em> in the method <a href="/bots/api#senddice">sendDice</a>.</li>
<li>Added the field <em>emoji</em> to the <a href="/bots/api#dice">Dice</a> object.</li>
</ul>
<h3><a class="anchor" name="march-30-2020" href="#march-30-2020"><i class="anchor-icon"></i></a>March 30, 2020</h3>
<p><strong>Bot API 4.7</strong></p>
<ul>
<li>Added the method <a href="/bots/api#senddice">sendDice</a> for sending a dice message, which will have a random value from 1 to 6. (Yes, we&#39;re aware of the <em>“proper”</em> singular of <em>die</em>. But it&#39;s awkward, and we decided to help it change. One dice at a time!)</li>
<li>Added the field <a href="/bots/api#dice">dice</a> to the <a href="/bots/api#message">Message</a> object.</li>
<li>Added the method <a href="/bots/api#getmycommands">getMyCommands</a> for getting the current list of the bot&#39;s commands.</li>
<li>Added the method <a href="/bots/api#setmycommands">setMyCommands</a> for changing the list of the bot&#39;s commands through the Bot API instead of <a href="https://t.me/botfather">@BotFather</a>.</li>
<li>Added the ability to create animated sticker sets by specifying the parameter <em>tgs_sticker</em> instead of <em>png_sticker</em> in the method <a href="/bots/api#createnewstickerset">createNewStickerSet</a>.</li>
<li>Added the ability to add animated stickers to sets created by the bot by specifying the parameter <em>tgs_sticker</em> instead of <em>png_sticker</em> in the method <a href="/bots/api#addstickertoset">addStickerToSet</a>.</li>
<li>Added the field <em>thumb</em> to the <a href="/bots/api#stickerset">StickerSet</a> object.</li>
<li>Added the ability to change thumbnails of sticker sets created by the bot using the method <a href="/bots/api#setstickersetthumb">setStickerSetThumb</a>.</li>
</ul>
<h3><a class="anchor" name="january-23-2020" href="#january-23-2020"><i class="anchor-icon"></i></a>January 23, 2020</h3>
<p><strong>Bot API 4.6</strong></p>
<ul>
<li>Supported <a href="https://telegram.org/blog/polls-2-0-vmq">Polls 2.0</a>.</li>
<li>Added the ability to send non-anonymous, multiple answer, and quiz-style polls: added the parameters <em>is_anonymous</em>, <em>type</em>, <em>allows_multiple_answers</em>, <em>correct_option_id</em>, <em>is_closed</em> options to the method <a href="/bots/api#sendpoll">sendPoll</a>.</li>
<li>Added the object <a href="/bots/api#keyboardbuttonpolltype">KeyboardButtonPollType</a> and the field <em>request_poll</em> to the object <a href="/bots/api#keyboardbutton">KeyboardButton</a>.</li>
<li>Added updates about changes of user answers in non-anonymous polls, represented by the object <a href="/bots/api#pollanswer">PollAnswer</a> and the field <em>poll_answer</em> in the <a href="/bots/api#update">Update</a> object. </li>
<li>Added the fields <em>total_voter_count</em>, <em>is_anonymous</em>, <em>type</em>, <em>allows_multiple_answers</em>, <em>correct_option_id</em> to the <a href="/bots/api#poll">Poll</a> object.</li>
<li>Bots can now send polls to private chats.</li>
<li>Added more information about the bot in response to the <a href="/bots/api#getme">getMe</a> request: added the fields <em>can_join_groups</em>, <em>can_read_all_group_messages</em> and <em>supports_inline_queries</em> to the <a href="/bots/api#user">User</a> object.</li>
<li>Added the optional field <em>language</em> to the <a href="/bots/api#messageentity">MessageEntity</a> object.</li>
</ul>
<h3><a class="anchor" name="december-31-2019" href="#december-31-2019"><i class="anchor-icon"></i></a>December 31, 2019</h3>
<p><strong>Bot API 4.5</strong></p>
<ul>
<li>Added support for two new <a href="/bots/api#messageentity">MessageEntity</a> types, <em>underline</em> and <em>strikethrough</em>.</li>
<li>Added support for nested <a href="/bots/api#messageentity">MessageEntity</a> objects. Entities can now contain other entities. If two entities have common characters then one of them is fully contained inside the other.</li>
<li>Added support for nested entities and the new tags <code>&lt;u&gt;/&lt;ins&gt;</code> (for underlined text) and <code>&lt;s&gt;/&lt;strike&gt;/&lt;del&gt;</code> (for strikethrough text) in parse mode HTML.</li>
<li>Added a new parse mode, <a href="/bots/api#markdownv2-style">MarkdownV2</a>, which supports nested entities and two new entities <code>__</code> (for underlined text) and <code>~</code> (for strikethrough text). Parse mode <a href="/bots/api#markdown-style">Markdown</a> remains unchanged for backward compatibility.</li>
<li>Added the field <em>file_unique_id</em> to the objects <a href="/bots/api#animation">Animation</a>, <a href="/bots/api#audio">Audio</a>, <a href="/bots/api#document">Document</a>, <a href="/bots/api#passportfile">PassportFile</a>, <a href="/bots/api#photosize">PhotoSize</a>, <a href="/bots/api#sticker">Sticker</a>, <a href="/bots/api#video">Video</a>, <a href="/bots/api#videonote">VideoNote</a>, <a href="/bots/api#voice">Voice</a>, <a href="/bots/api#file">File</a> and the fields <em>small_file_unique_id</em> and <em>big_file_unique_id</em> to the object <a href="/bots/api#chatphoto">ChatPhoto</a>. The new fields contain a unique file identifier, which is supposed to be the same over time and for different bots, but can&#39;t be used to download or reuse the file.</li>
<li>Added the field <em>custom_title</em> to the <a href="/bots/api#chatmember">ChatMember</a> object.</li>
<li>Added the new method <a href="/bots/api#setchatadministratorcustomtitle">setChatAdministratorCustomTitle</a> to manage the custom titles of administrators promoted by the bot.</li>
<li>Added the field <em>slow_mode_delay</em> to the <a href="/bots/api#chat">Chat</a> object.</li>
</ul>
<h3><a class="anchor" name="july-29-2019" href="#july-29-2019"><i class="anchor-icon"></i></a>July 29, 2019</h3>
<p><strong>Bot API 4.4</strong></p>
<ul>
<li>Added support for <a href="https://telegram.org/blog/animated-stickers"><strong>animated stickers</strong></a>. New field <em>is_animated</em> in <a href="/bots/api#sticker">Sticker</a> and <a href="/bots/api#stickerset">StickerSet</a> objects, animated stickers can now be used in <a href="/bots/api#sendsticker">sendSticker</a> and <a href="/bots/api#inlinequeryresultcachedsticker">InlineQueryResultCachedSticker</a>.</li>
<li>Added support for <a href="https://telegram.org/blog/permissions-groups-undo"><strong>default permissions</strong></a> in groups. New object <a href="/bots/api#chatpermissions">ChatPermissions</a>, containing actions which a member can take in a chat. New field <em>permissions</em> in the <a href="/bots/api#chat">Chat</a> object; new method <a href="/bots/api#setchatpermissions">setChatPermissions</a>.</li>
<li>The field <em>all_members_are_administrators</em> has been removed from the documentation for the <a href="/bots/api#chat">Chat</a> object. The field is still returned in the object for backward compatibility, but new bots should use the <em>permissions</em> field instead.</li>
<li>Added support for more permissions for group and supergroup members: added the new field <em>can_send_polls</em> to <a href="/bots/api#chatmember">ChatMember</a> object, added <em>can_change_info</em>, <em>can_invite_users</em>, <em>can_pin_messages</em> in <a href="/bots/api#chatmember">ChatMember</a> object for restricted users (previously available only for administrators).</li>
<li>The method <a href="/bots/api#restrictchatmember">restrictChatMember</a> now takes the new user permissions in a single argument of the type <a href="/bots/api#chatpermissions">ChatPermissions</a>. The old way of passing parameters will keep working for a while for backward compatibility.</li>
<li>Added <em>description</em> support for basic groups (previously available in supergroups and channel chats). You can pass a group&#39;s chat_id to <a href="/bots/api#setchatdescription">setChatDescription</a> and receive the group&#39;s description in the <a href="/bots/api#chat">Chat</a> object in the response to <a href="/bots/api#getchat">getChat</a> method.</li>
<li>Added <em>invite_link</em> support for basic groups (previously available in supergroups and channel chats). You can pass a group&#39;s chat_id to <a href="/bots/api#exportchatinvitelink">exportChatInviteLink</a> and receive the group&#39;s invite link in the <a href="/bots/api#chat">Chat</a> object in the response to <a href="/bots/api#getchat">getChat</a> method.</li>
<li>File identifiers from the <a href="/bots/api#chatphoto">ChatPhoto</a> object are now invalidated and can no longer be used whenever the photo is changed.</li>
<li>All <strong>webhook requests</strong> from the Bot API are now coming from the subnets <code>149.154.160.0/20</code> and <code>91.108.4.0/22</code>. Most users won&#39;t need to do anything to continue receiving webhooks. If you control inbound access with a firewall, you may need to update your configuration. You can always find the list of actual IP addresses of servers used to send webhooks there: <a href="/bots/webhooks"><a href="https://core.telegram.org/bots/webhooks">https://core.telegram.org/bots/webhooks</a></a>.</li>
<li>As of the <strong>next Bot API</strong> update (<strong>version 4.5</strong>), nested <a href="/bots/api#messageentity">MessageEntity</a> objects will be allowed in message texts and captions. Please make sure that your code can correctly handle such entities.</li>
</ul>
<h3><a class="anchor" name="may-31-2019" href="#may-31-2019"><i class="anchor-icon"></i></a>May 31, 2019</h3>
<p><strong>Bot API 4.3</strong></p>
<ul>
<li>Added support for <a href="https://telegram.org/blog/privacy-discussions-web-bots#meet-seamless-web-bots"><strong>Seamless Telegram Login</strong></a> on external websites.</li>
<li>Added the new object <a href="/bots/api#loginurl">LoginUrl</a> and the new field <em>login_url</em> to the <a href="/bots/api#inlinekeyboardbutton">InlineKeyboardButton</a> object which allows to <strong>automatically authorize</strong> users before they go to a URL specified by the bot. Users will be asked to confirm authorization in their Telegram app (needs version 5.7 or higher) when they press the button:</li>
</ul>
<div class="blog_image_wrap">
<a href="/file/811140015/1734/8VZFkwWXalM.97872/6127fa62d8a0bf2b3c" target="_blank"><img src="/file/811140909/1631/20k1Z53eiyY.23995/c541e89b74253623d9" title="TITLE" alt="TITLE" srcset="/file/811140015/1734/8VZFkwWXalM.97872/6127fa62d8a0bf2b3c , 2x" /></a>
</div>
<p><strong>Also in this update:</strong></p>
<ul>
<li>Added the field <code>reply_markup</code> to the <a href="/bots/api#message">Message</a> object, containing the inline keyboard attached to the message.</li>
<li>If a message with an inline keyboard is forwarded, the forwarded message will now have an inline keyboard if the keyboard contained only <em>url</em> and <em>login_url</em> buttons or if the message was sent via a bot and the keyboard contained only <em>url</em>, <em>login_url</em>, <em>switch_inline_query</em> or <em>switch_inline_query_current_chat</em> buttons. In the latter case, <em>switch_inline_query_current_chat</em> buttons are replaced with <em>switch_inline_query</em> buttons.</li>
<li>Bots now receive the <em>edited_message</em> <a href="/bots/api#update">Update</a> even if only <em>Message.reply_markup</em> has changed.</li>
<li>Bots that have the <em>can_edit_messages</em> right in a channel can now use the method <a href="/bots/api#editmessagereplymarkup">editMessageReplyMarkup</a> for messages written by other administrators forever without the 48 hours limit.</li>
<li>Don&#39;t forget that starting in <strong>July 2019</strong>, <strong>webhook requests</strong> from Bot API will be coming from the subnets <code>149.154.160.0/20</code> and <code>91.108.4.0/22</code>. Most users won&#39;t need to do anything to continue receiving webhooks. If you control inbound access with a firewall, you may need to update your configuration. You can always find the list of actual IP addresses of servers used to send webhooks there: <a href="/bots/webhooks"><a href="https://core.telegram.org/bots/webhooks">https://core.telegram.org/bots/webhooks</a></a>.</li>
</ul>
<h3><a class="anchor" name="april-14-2019" href="#april-14-2019"><i class="anchor-icon"></i></a>April 14, 2019</h3>
<p><strong>Bot API 4.2</strong></p>
<ul>
<li>Added support for native polls: added the object <a href="/bots/api#poll">Poll</a>, the methods <a href="/bots/api#sendpoll">sendPoll</a> and <a href="/bots/api#stoppoll">stopPoll</a> and the field <em>poll</em> in the <a href="/bots/api#message">Message</a> and <a href="/bots/api#update">Update</a> objects.</li>
<li>The method <a href="/bots/api#deletemessage">deleteMessage</a> can now be used to delete messages sent by a user to the bot in private chats within 48 hours.</li>
<li>Added support for pinned messages in basic groups in addition to supergroups and channel chats: you can pass group&#39;s chat_id to <a href="/bots/api#pinchatmessage">pinChatMessage</a> and <a href="/bots/api#unpinchatmessage">unpinChatMessage</a>, and receive the pinned group message in <a href="/bots/api#chat">Chat</a> object.</li>
<li>Added the field <em>is_member</em> to the <a href="/bots/api#chatmember">ChatMember</a> object, which can be used to find whether a restricted user is a member of the chat.</li>
<li>Added the field <em>forward_sender_name</em> to the <a href="/bots/api#message">Message</a> object, containing name of the sender who has opted to hide their account.</li>
<li>Starting in July 2019, webhook requests from Bot API will be coming from the subnets <code>149.154.160.0/20</code> and <code>91.108.4.0/22</code>. Most users won&#39;t need to do anything to continue receiving webhooks. If you control inbound access with a firewall, you may need to update your configuration. You can always find the list of actual IP addresses of servers used to send webhooks there: <a href="/bots/webhooks"><a href="https://core.telegram.org/bots/webhooks">https://core.telegram.org/bots/webhooks</a></a>.</li>
<li>Document thumbnails now should be inscribed in a 320x320 square instead of 90x90.</li>
</ul>
<h3><a class="anchor" name="august-27-2018" href="#august-27-2018"><i class="anchor-icon"></i></a>August 27, 2018</h3>
<p><strong>Bot API 4.1</strong></p>
<ul>
<li>Added support for translated versions of documents in <a href="/passport">Telegram Passport</a>.</li>
<li>New field <em>translation</em> in <a href="/bots/api#encryptedpassportelement">EncryptedPassportElement</a>.</li>
<li>New errors: <a href="/bots/api#passportelementerrortranslationfile">PassportElementErrorTranslationFile</a> and <a href="/bots/api#passportelementerrortranslationfile">PassportElementErrorTranslationFiles</a> and <a href="/bots/api#passportelementerrorunspecified">PassportElementErrorUnspecified</a>.</li>
</ul>
<h3><a class="anchor" name="july-26-2018" href="#july-26-2018"><i class="anchor-icon"></i></a>July 26, 2018</h3>
<p><strong>Bot API 4.0</strong>.</p>
<ul>
<li>Added support for <a href="https://telegram.org/blog/passport"><strong>Telegram Passport</strong></a>. See the official announcement on the <a href="https://telegram.org/blog">blog</a> and the <a href="https://core.telegram.org/passport">manual</a> for details.</li>
<li>Added support for <strong>editing the media content of messages</strong>: added the method <a href="/bots/api#editmessagemedia">editMessageMedia</a> and new types <a href="/bots/api#inputmediaanimation">InputMediaAnimation</a>, <a href="/bots/api#inputmediaaudio">InputMediaAudio</a>, and <a href="/bots/api#inputmediadocument">InputMediaDocument</a>.</li>
<li>Added the field <em>thumb</em> to the <a href="/bots/api#audio">Audio</a> object to contain the thumbnail of the album cover to which the music file belongs.</li>
<li>Added support for attaching custom thumbnails to uploaded files. For animations, audios, videos and video notes, which are less than 10 MB in size, thumbnails are generated automatically.</li>
<li><code>tg://</code> URLs now can be used in inline keyboard url buttons and <code>text_link</code> message entities. </li>
<li>Added the method <a href="/bots/api#sendanimation">sendAnimation</a>, which can be used instead of <a href="/bots/api#senddocument">sendDocument</a> to send animations, specifying their duration, width and height.</li>
<li>Added the field <a href="/bots/api#animation">animation</a> to the <a href="/bots/api#message">Message</a> object. For backward compatibility, when this field is set, the <em>document</em> field will be also set.</li>
<li>Added two new <a href="/bots/api#messageentity">MessageEntity</a> types: <em>cashtag</em> and <em>phone_number</em>.</li>
<li>Added support for Foursquare venues: added the new field <em>foursquare_type</em> to the objects <a href="/bots/api#venue">Venue</a>, <a href="/bots/api#inlinequeryresultvenue">InlineQueryResultVenue</a> and <a href="/bots/api#inputvenuemessagecontent">InputVenueMessageContent</a>, and the parameter <em>foursquare_type</em> to the <a href="/bots/api#sendvenue">sendVenue</a> method.</li>
<li>You can now create inline mentions of users, who have pressed your bot&#39;s callback buttons.</li>
<li>You can now use the <code>Retry-After</code> response header to configure the delay after which the Bot API will retry the request after an unsuccessful response from a webhook.</li>
<li>If a webhook returns the HTTP error <code>410 Gone</code> for all requests for more than 23 hours successively, it can be automatically removed.</li>
<li>Added <a href="https://en.wikipedia.org/wiki/VCard">vCard</a> support when sharing contacts: added the field <em>vcard</em> to the objects <a href="/bots/api#contact">Contact</a>, <a href="/bots/api#inlinequeryresultcontact">InlineQueryResultContact</a>, <a href="/bots/api#inputcontactmessagecontent">InputContactMessageContent</a> and the method <a href="/bots/api#sendcontact">sendContact</a>.</li>
</ul>
<h3><a class="anchor" name="february-13-2018" href="#february-13-2018"><i class="anchor-icon"></i></a>February 13, 2018</h3>
<p><strong>Bot API 3.6</strong>.</p>
<ul>
<li>Supported <a href="https://core.telegram.org/bots/api#formatting-options">text formatting</a> in media captions. Specify the desired <em>parse_mode</em> (<a href="https://core.telegram.org/bots/api#markdown-style">Markdown</a> or <a href="https://core.telegram.org/bots/api#html-style">HTML</a>) when you provide a caption.</li>
<li>In supergroups, if the bot receives a message that is a reply, it will also receive the message to which that message is replying – even if the original message is inaccessible due to the bot&#39;s privacy settings. (In other words, replying to any message in a supergroup with a message that mentions the bot or features a command for it acts as forwarding the original message to the bot). </li>
<li>Added the new field <em>connected_website</em> to <a href="/bots/api#message">Message</a>. The bot will receive a message with this field in a private chat when a user logs in on the bot&#39;s connected website using the <a href="https://core.telegram.org/widgets/login">Login Widget</a> and allows sending messages from your bot.</li>
<li>Added the new parameter <em>supports_streaming</em> to the <a href="/bots/api#sendvideo">sendVideo</a> method and a field with the same name to the <a href="/bots/api#inputmediavideo">InputMediaVideo</a> object.</li>
</ul>
<h3><a class="anchor" name="november-17-2017" href="#november-17-2017"><i class="anchor-icon"></i></a>November 17, 2017</h3>
<p><strong>Bot API 3.5</strong>.</p>
<ul>
<li>Added the new method <a href="/bots/api#sendmediagroup">sendMediaGroup</a> and two kinds of <a href="/bots/api#inputmedia">InputMedia</a> objects to support the new <a href="https://telegram.org/blog/albums-saved-messages">albums feature</a>.</li>
<li>Added support for pinning messages in channels. <a href="/bots/api#pinchatmessage">pinChatMessage</a> and <a href="/bots/api#unpinchatmessage">unpinChatMessage</a> accept channels.</li>
<li>Added the new fields <em>provider_data</em>, <em>send_phone_number_to_provider</em>, <em>send_email_to_provider</em> to <a href="/bots/api#sendinvoice">sendInvoice</a> for sharing information about the invoice with the payment provider.</li>
</ul>
<h3><a class="anchor" name="october-11-2017" href="#october-11-2017"><i class="anchor-icon"></i></a>October 11, 2017</h3>
<p><strong>Bot API 3.4</strong>.</p>
<ul>
<li>Bots can now send and receive <a href="https://telegram.org/blog/live-locations">Live Locations</a>. Added new field <em>live_period</em> to the <a href="/bots/api#sendlocation">sendLocation</a> method and the <a href="/bots/api#editmessagelivelocation">editMessageLiveLocation</a> and <a href="/bots/api#stopmessagelivelocation">stopMessageLiveLocation</a> methods as well as the necessary objects for inline bots.</li>
<li>Bots can use the new <a href="/bots/api#setchatstickerset">setChatStickerSet</a> and <a href="/bots/api#deletechatstickerset">deleteChatStickerSet</a> methods to manage <a href="https://telegram.org/blog#stickers-of-the-group">group sticker sets</a>.</li>
<li>The <a href="/bots/api#getchat">getChat</a> request now returns the group&#39;s sticker set for supergroups if available.</li>
<li>Bots now receive entities from media captions in the new field <em>caption_entities</em> in <a href="/bots/api#message">Message</a>.</li>
</ul>
<h3><a class="anchor" name="august-23-2017" href="#august-23-2017"><i class="anchor-icon"></i></a>August 23, 2017</h3>
<p><strong>Bot API 3.3</strong>.</p>
<ul>
<li>Bots can now mention users via <a href="/bots/api#formatting-options">inline mentions</a>, without using usernames.</li>
<li><a href="/bots/api#getchat">getChat</a> now also returns pinned messages in supergroups, if present. Added the new field <em>pinned_message</em> to the <a href="/bots/api#chat">Chat</a> object.</li>
<li>Added the new fields <em>author_signature</em> and <em>forward_signature</em> to the <a href="/bots/api#message">Message</a> object.</li>
<li>Added the new field <em>is_bot</em> to the <a href="/bots/api#user">User</a> object.</li>
</ul>
<h3><a class="anchor" name="july-21-2017" href="#july-21-2017"><i class="anchor-icon"></i></a>July 21, 2017</h3>
<p><strong>Bot API 3.2</strong>. Teach your bot to handle <a href="/bots/api#stickers">stickers and sticker sets</a>.</p>
<ul>
<li>Added new methods for working with stickers: <a href="/bots/api#getstickerset">getStickerSet</a>, <a href="/bots/api#uploadstickerfile">uploadStickerFile</a>, <a href="/bots/api#createnewstickerset">createNewStickerSet</a>, <a href="/bots/api#addstickertoset">addStickerToSet</a>, <a href="/bots/api#setstickerpositioninset">setStickerPositionInSet</a>, and <a href="/bots/api#deletestickerfromset">deleteStickerFromSet</a>.</li>
<li>Added the fields <em>set_name</em> and <em>mask_position</em> to the <a href="/bots/api#sticker">Sticker</a> object, plus two new objects, <a href="/bots/api#stickerset">StickerSet</a>, and <a href="/bots/api#maskposition">MaskPosition</a>.</li>
</ul>
<h3><a class="anchor" name="june-30-2017" href="#june-30-2017"><i class="anchor-icon"></i></a>June 30, 2017</h3>
<p><strong>Bot API 3.1</strong>. Build your own robotic police force for supergoups with these new methods for admin bots:</p>
<ul>
<li>Added new methods <a href="/bots/api#restrictchatmember">restrictChatMember</a> and <a href="/bots/api#promotechatmember">promoteChatMember</a> to manage users and admins, added new parameter <em>until_date</em> to <a href="/bots/api#kickchatmember">kickChatMember</a> for temporary bans.</li>
<li>Added new methods <a href="/bots/api#exportchatinvitelink">exportChatInviteLink</a>, <a href="/bots/api#setchatphoto">setChatPhoto</a>, <a href="/bots/api#deletechatphoto">deleteChatPhoto</a>, <a href="/bots/api#setchattitle">setChatTitle</a>, <a href="/bots/api#setchatdescription">setChatDescription</a>, <a href="/bots/api#pinchatmessage">pinChatMessage</a> and <a href="/bots/api#unpinchatmessage">unpinChatMessage</a> to manage groups and channels.</li>
<li>Added the new fields <em>photo</em>, <em>description</em> and <em>invite_link</em> to the <a href="/bots/api#chat">Chat</a> object.</li>
<li>Added the new fields <em>until_date</em>, <em>can_be_edited</em>, <em>can_change_info</em>, <em>can_post_messages</em>, <em>can_edit_messages</em>, <em>can_delete_messages</em>, <em>can_invite_users</em>, <em>can_restrict_members</em>, <em>can_pin_messages</em>, <em>can_promote_members</em>, <em>can_send_messages</em>, <em>can_send_media_messages</em>, <em>can_send_other_messages</em> and <em>can_add_web_page_previews</em> to the <a href="/bots/api#chatmember">ChatMember</a> object.</li>
</ul>
<h3><a class="anchor" name="may-18-2017" href="#may-18-2017"><i class="anchor-icon"></i></a>May 18, 2017</h3>
<p>Introducing <strong>Bot API 3.0</strong>.</p>
<p><strong>NEW Payment Platform</strong></p>
<p>See <a href="/bots/payments">Introduction to Bot Payments</a> for a brief overview. If you&#39;re not a developer, you may like <a href="https://telegram.org/blog/payments">this user-friendly blog post</a> better.</p>
<ul>
<li>Your bot can now accept <a href="/bots/api#payments">payments</a> for goods and services via Telegram. </li>
<li>Added new kinds of <a href="/bots/api#update">updates</a>, <em>shipping_query</em> and <em>pre_checkout_query</em>, and new types of <a href="/bots/api#message">message</a> content, <em>invoice</em> and <em>successful_payment</em>.</li>
<li>Added new methods for payments: <a href="/bots/api#sendinvoice">sendInvoice</a>, <a href="/bots/api#answershippingquery">answerShippingQuery</a>, and <a href="/bots/api#answerprecheckoutquery">answerPreCheckoutQuery</a>.</li>
<li>Added a new type of button, the <strong>pay</strong> button to <a href="/bots/api#inlinekeyboardbutton">InlineKeyboardButton</a>.</li>
</ul>
<p><strong>NEW Video Messages</strong></p>
<ul>
<li>As of Telegram v.4.0, users can send short rounded <a href="https://telegram.org/blog/payments">video messages</a>, using an interface similar to that of voice notes.</li>
<li>Added the <a href="/bots/api#sendvideonote">sendVideoNote</a> method, the new field <em>video_note</em> to <a href="/bots/api#message">Message</a>, the fields <em>record_video_note</em> or <em>upload_video_note</em> to <a href="/bots/api#sendchataction">sendChatAction</a>.</li>
</ul>
<p><strong>NEW Multilingual Bots</strong></p>
<ul>
<li>The <a href="/bots/api#user">User</a> object now may have a <em>language_code</em> field that contains the <a href="https://en.wikipedia.org/wiki/IETF_language_tag">IETF language tag</a> of the user&#39;s language.</li>
<li>Thanks to this, your bot can now offer localized responses to users that speak different languages.</li>
</ul>
<p><strong>More power to admin bots</strong></p>
<ul>
<li><a href="/bots/api#unbanchatmember">unbanChatMemeber</a> now also works in channels!</li>
<li>New method <a href="/bots/api#deletemessages">deleteMessage</a> that allows the bot to delete its own messages, as well as messages posted by other in groups and channels where the bot is an administrator.</li>
</ul>
<p><strong>Minor Changes</strong></p>
<ul>
<li>Replaced the field <em>new_chat_member</em> in <a href="/bots/api#message">Message</a> with <em>new_chat_members</em> (the old field will still be available for a while for compatibility purposes).</li>
<li><a href="https://core.telegram.org/bots/api#inlinekeyboardbutton">Inline keyboards</a> with <em>switch_inline_query</em> and <em>switch_inline_query_current_chat</em> can no longer be sent to channels because they are useless there.</li>
<li>New fields <em>gif_duration</em> in <a href="/bots/api#inlinequeryresultgif">InlineQueryResultGif</a> and <em>mpeg4_duration</em> in <a href="/bots/api#inlinequeryresultmpeg4gif">InlineQueryResultMpeg4Gif</a>.</li>
</ul>
<h3><a class="anchor" name="december-4-2016" href="#december-4-2016"><i class="anchor-icon"></i></a>December 4, 2016</h3>
<p>Introducing <strong>Bot API 2.3.1</strong>, a nifty little update that will give you more control over how your bot gets its updates.</p>
<ul>
<li>Use the new field <em>max_connections</em> in <a href="/bots/api#setwebhook">setWebhook</a> to optimize your bot&#39;s server load</li>
<li>Use <em>allowed_updates</em> in <a href="/bots/api#setwebhook">setWebhook</a> and <a href="/bots/api#getupdates">getUpdates</a> to selectively subscribe to updates of a certain type. Among other things, this allows you to stop getting updates about new posts in channels where your bot is an admin.</li>
<li><a href="/bots/api#deletewebhook">deleteWebhook</a> moved out of <a href="/bots/api#setwebhook">setWebhook</a> to get a whole separate method for itself.</li>
</ul>
<h3><a class="anchor" name="november-21-2016" href="#november-21-2016"><i class="anchor-icon"></i></a>November 21, 2016</h3>
<p><strong>Bot API 2.3</strong></p>
<ul>
<li>Modified <a href="/bots/faq#what-messages-will-my-bot-get"><strong>bot privacy mode</strong></a> for the sake of consistency. </li>
<li><p>Your bot can now get <strong>updates about posts in channels</strong>. Added new fields <em>channel_post</em> and <em>edited_channel_post</em> to <a href="/bots/#update">Update</a>.</p>
</li>
<li><p>You can now update high scores to a lower value by using the new <em>force</em> parameter in <a href="/bots/#setgamescore">setGameScore</a>. Handy for punishing <strong>cheaters</strong> or fixing errors in your game&#39;s High Score table.</p>
</li>
<li>Starting today, messages with high scores will be updated with new high scores by default. Use <em>disable_edit_message</em> in <a href="/bots/#setgamescore">setGameScore</a> if you don&#39;t want this.</li>
<li>The <em>edit_message</em> parameter from <a href="/bots/#setgamescore">setGameScore</a> is no longer in use. For backward compatibility, it will be taken into account for a while, unless <em>disable_edit_message</em> is passed explicitly.</li>
<li>Added the new field <em>forward_from_message_id</em> to <a href="/bots/#message">Message</a>.</li>
<li>Added the new parameter <em>cache_time</em> to <a href="/bots/#answercallbackquery">answerCallbackQuery</a>. Will eventually work in Telegram apps — somewhere after version 3.14, maybe 3.15.</li>
<li>Renamed <em>hide_keyboard</em> to <em>remove_keyboard</em> in <a href="/bots/#replykeyboardremove">ReplyKeyboardRemove</a> for clarity. <em>hide_keyboard</em> will still work for a while for backward compatibility.</li>
</ul>
<h3><a class="anchor" name="october-3-2016" href="#october-3-2016"><i class="anchor-icon"></i></a>October 3, 2016</h3>
<p><strong>Bot API 2.2.</strong> <a href="/bots/games">Introducing a new Gaming Platform!</a> See <a href="/bots/games">this introduction</a> for a brief overview.<br>If you&#39;re not a developer, you may like <a href="https://telegram.org/blog/games"><strong>this user-friendly blog post</strong></a> better.</p>
<ul>
<li>New tools for building <a href="/bots/api#games"><strong>HTML5 games</strong></a>.</li>
<li>New method <a href="/bots/api#sendgame">sendGame</a>, new object <a href="/bots/api#inlinequeryresultgame">InlineQueryResultGame</a>, new field <em>game</em> in <a href="/bots/api#message">Message</a>.</li>
<li>New parameter <em>url</em> in <a href="/bots/api#answercallbackquery">answerCallbackQuery</a>. Create a game and accept the conditions using Botfather to send custom urls that open your games for the user.</li>
<li>New field <em>callback_game</em> in <a href="/bots/api#inlinekeyboardbutton">InlineKeyboardButton</a>, new fields <em>game_short_name</em> and <em>chat_instance</em> in <a href="/bots/api#callbackquery">CallbackQuery</a>, new object <a href="/bots/api#callbackgame">CallbackGame</a>. </li>
<li>New methods <a href="/bots/api#setgamescore">setGameScore</a> and <a href="/bots/api#getgamehighscores">getGameHighScores</a>.</li>
</ul>
<p><strong>Other changes</strong></p>
<ul>
<li>Making life easier for webhook users. Added a detailed <a href="https://core.telegram.org/bots/webhooks"><strong>Guide to All Things Webhook</strong></a> that describes every pothole you can run into on the webhook road.</li>
<li><p>New method <a href="/bots/api#getwebhookinfo">getWebhookInfo</a> to check current webhook status.</p>
</li>
<li><p>Added the option to specify an <strong>HTTP URL</strong> for a file in all methods where <a href="/bots/api#inputfile">InputFile</a> or <em>file_id</em> can be used (except voice messages). Telegram will get the file from the specified URL and send it to the user. Files must be smaller than 5 MB for photos and smaller than 20 MB for all other types of content.</p>
</li>
<li>Use the new <em>url</em> parameter in <a href="/bots/api#answercallbackquery">answerCallbackQuery</a> to create buttons that open your bot with user-specific parameters.</li>
<li>Added new field <em>switch_inline_query_current_chat</em> in <a href="/bots/api#inlinekeyboardbutton">InlineKeyboardButton</a>.</li>
<li>Added <em>caption</em> fields to <a href="/bots/api#sendaudio">sendAudio</a>, <a href="/bots/api#sendvoice">sendVoice</a>, <a href="/bots/api#inlinequeryresultaudio">InlineQueryResultAudio</a>, <a href="/bots/api#inlinequeryresultvoice">InlineQueryResultVoice</a>, <a href="/bots/api#inlinequeryresultcachedaudio">InlineQueryResultCachedAudio</a>, and <a href="/bots/api#inlinequeryresultcachedvoice">InlineQueryResultCachedVoice</a>.</li>
</ul>
<ul>
<li>New field <em>all_members_are_administrators</em> in the <a href="/bots/api#chat">Chat</a> object.</li>
<li>Certain server responses may now contain the new <a href="/bots/api#responseparameters"><em>parameters</em></a> field with expanded info on errors that occurred while processing your requests.</li>
</ul>
<h3><a class="anchor" name="may-25-2016" href="#may-25-2016"><i class="anchor-icon"></i></a>May 25, 2016</h3>
<ul>
<li><a href="/bots/api#inlinekeyboardmarkup">Inline keyboards</a> may now be used in group chats. Channels coming soon.</li>
<li>Check out <a href="https://telegram.me/vote">@vote</a> and <a href="https://telegram.me/like">@like</a> for examples.</li>
</ul>
<h3><a class="anchor" name="may-22-2016" href="#may-22-2016"><i class="anchor-icon"></i></a>May 22, 2016</h3>
<ul>
<li><strong>Bot API 2.1.</strong> Added more tools for group administrator bots. Your bot can now get a list of administrators and members count in a group, check a user&#39;s current status (administrator, creator, left the group, kicked from the group), and leave a group.</li>
<li>Added new methods: <a href="/bots/api#getchat">getChat</a>, <a href="/bots/api#leavechat">leaveChat</a>, <a href="/bots/api#getchatadministrators">getChatAdministrators</a>, <a href="/bots/api#getchatmember">getChatMember</a>, <a href="/bots/api#getchatmemberscount">getChatMembersCount</a>.</li>
<li>Added support for <a href="https://telegram.org/blog/edit">edited messages</a> and <a href="https://telegram.org/blog/edit#new-mentions">new mentions</a> from Telegram v.3.9. New fields: <em>edited_message</em> in <a href="/bots/api#update">Update</a>, <em>edit_date</em> in <a href="/bots/api#message">Message</a>, <em>user</em> in <a href="/bots/api#messageentity">MessageEntity</a>. New value <em>text_mention</em> for the <em>type</em> field in <a href="/bots/api#messageentity">MessageEntity</a>.</li>
</ul>
<h3><a class="anchor" name="may-12-2016" href="#may-12-2016"><i class="anchor-icon"></i></a>May 12, 2016</h3>
<ul>
<li>Added consistency to what messages bots get in groups and supergroups. <a href="/bots/faq#what-messages-will-my-bot-get">See updated FAQ for details »</a></li>
</ul>
<h3><a class="anchor" name="may-6-2016" href="#may-6-2016"><i class="anchor-icon"></i></a>May 6, 2016</h3>
<ul>
<li>Added the field <em>emoji</em> to the <a href="/bots/api#sticker">Sticker</a> object. Your bot can now know the emoji a sticker corresponds to.</li>
<li>Added the field <em>forward_from_chat</em> to the <a href="/bots/api#message">Message</a> object for messages forwarded from channels.</li>
</ul>
<h3><a class="anchor" name="april-9-2016" href="#april-9-2016"><i class="anchor-icon"></i></a>April 9, 2016</h3>
<p>Introducing <strong>Bot API 2.0</strong>. Check out <a href="/bots/2-0-intro">this page</a> for a review of this major update.</p>
<ul>
<li>New <a href="/bots/2-0-intro#new-inline-keyboards"><strong>inline keyboards</strong></a> with <strong>callback</strong> and <strong>URL buttons</strong>. Added new objects <a href="/bots/api#inlinekeyboardmarkup">InlineKeyboardMarkup</a>, <a href="/bots/api#inlinekeyboardbutton">InlineKeyboardButton</a> and <a href="/bots/api#callbackquery">CallbackQuery</a>, added <em>reply_markup</em> fields to all <a href="/bots/api#inlinequeryresult">InlineQueryResult</a> objects. Added field <em>callback_query</em> to the <a href="/bots/api#update">Update</a> object, new method <a href="/bots/api#answercallbackquery">answerCallbackQuery</a>.</li>
<li>Bots can now <a href="/bots/api#updating-messages"><strong>edit</strong> their messages</a>. Added methods <a href="/bots/api#editmessagetext">editMessageText</a>, <a href="/bots/api#editmessagecaption">editMessageCaption</a>, <a href="/bots/api#editmessagereplymarkup">editMessageReplyMarkup</a>.</li>
<li>Bots can request <strong>location</strong> and <strong>phone number</strong> from the user. The <em>keyboard</em> field in the object <a href="/bots/api#replykeyboardmarkup">ReplyKeyboardMarkup</a> now supports <a href="/bots/api#keyboardbutton">KeyboardButton</a>, a new object that can have the fields <em>request_location</em> and <em>request_contact</em>.</li>
</ul>
<p><strong>Inline bots</strong></p>
<ul>
<li>Added support for all content types available on Telegram. <strong>19 types</strong> of <a href="/bots/api#inlinequeryresult">InlineQueryResult</a> objects are now supported.</li>
<li>Inline bots can now <strong>substitute</strong> all kinds of content with text. Added 4 types of <a href="/bots/api#inputmessagecontent">InputMessageContent</a> objects.</li>
<li>Your inline bot can also ask users for permission to use their location. Added the new Botfather command <code>/setinlinegeo</code>, added field <em>location</em> to the <a href="/bots/api#inlinequery">InlineQuery</a> object, added fields <em>location</em> and <em>inline_message_id</em> to the <a href="/bots/api#choseninlineresult">ChosenInlineResult</a> object.</li>
<li>Added an easy way to <strong>switch</strong> between inline mode and a private chat with the bot – useful for settings, establishing external connections and teaching users how to use your bot in inline mode. Added parameters <em>switch_pm_text</em> and <em>switch_pm_parameter</em> to the method <a href="/bots/api#answerinlinequery">answerInlineQuery</a>.</li>
</ul>
<p><strong>Miscellaneous</strong></p>
<ul>
<li>Added group <strong>administration</strong> tools. New methods <a href="/bots/api#kickchatmember">kickChatMember</a> and <a href="/bots/api#unbanchatmember">unbanChatMember</a>.</li>
<li>Added fields <em>venue</em>, <em>pinned_message</em> and <em>entities</em> to the <a href="/bots/api#message">Message</a> object. Added new objects <a href="/bots/api#messageentity">MessageEntity</a> and <a href="/bots/api#venue">Venue</a>, new methods <a href="/bots/api#sendvenue">sendVenue</a> and <a href="/bots/api#sendcontact">sendContact</a>.</li>
<li>Renamed the fields <em>new_chat_participant</em> and <em>left_chat_participant</em> of the <a href="/bots/api#message">Message</a> object to <em>new_chat_member</em> and <em>left_chat_member</em>.</li>
</ul>
<h3><a class="anchor" name="february-20-2016" href="#february-20-2016"><i class="anchor-icon"></i></a>February 20, 2016</h3>
<ul>
<li>Added the <em>disable_notification</em> parameter to all methods that send messages or any kind.</li>
<li>Removed backward compatibility from the method <a href="/bots/api#sendaudio">sendAudio</a>. Voice messages now must be sent using the method <a href="/bots/api#sendvoice">sendVoice</a>. There is no more need to specify a non-empty title or performer while sending the audio by <em>file_id</em>.</li>
</ul>
<h3><a class="anchor" name="january-20-2016" href="#january-20-2016"><i class="anchor-icon"></i></a>January 20, 2016</h3>
<ul>
<li>By the way, you can use both HTML-style and markdown-style formatting in your bot&#39;s messages to send bold, italic or fixed-width text and inline links. All official Telegram clients support this. See <a href="/bots/api#formatting-options">Formatting options</a> for details.</li>
</ul>
<h3><a class="anchor" name="january-14-2016" href="#january-14-2016"><i class="anchor-icon"></i></a>January 14, 2016</h3>
<ul>
<li>You can now <a href="/bots/inline#collecting-feedback">collect feedback</a> on which results provided by your inline bot get chosen by the users. Added the <code>setinlinefeedback</code> command for Botfather, new type <a href="/bots/api#choseninlineresult">ChosenInlineResult</a>, new field <em>chosen_inline_result</em> to the <a href="/bots/api#update">Update</a> object.</li>
</ul>
<h3><a class="anchor" name="january-4-2016" href="#january-4-2016"><i class="anchor-icon"></i></a>January 4, 2016</h3>
<ul>
<li>Added support for <a href="/bots/inline">Inline Mode</a>, a new way for people to contact your bot by typing its username and a query in the text input field in any chat. Enable by sending <code>/setinline</code> to <a href="https://telegram.me/botfather">@BotFather</a>.</li>
<li>New optional field <em>inline_query</em> added to the <a href="/bots/api#update">Update</a> object.</li>
<li>Added new method <a href="/bots/api#answerinlinequery">answerInlineQuery</a> and new objects <a href="/bots/api#inlinequery">InlineQuery</a>, <a href="/bots/api#inlinequeryresultarticle">InlineQueryResultArticle</a>, <a href="/bots/api#inlinequeryresultphoto">InlineQueryResultPhoto</a>, <a href="/bots/api#inlinequeryresultgif">InlineQueryResultGif</a>, <a href="/bots/api#inlinequeryresultmpeg4gif">InlineQueryResultMpeg4Gif</a> and <a href="/bots/api#inlinequeryresultvideo">InlineQueryResultVideo</a>.</li>
</ul>
<h3><a class="anchor" name="november-2015" href="#november-2015"><i class="anchor-icon"></i></a>November, 2015</h3>
<ul>
<li>Added support for <a href="https://telegram.org/blog/supergroups">supergroups</a>. The <em>Type</em> field in the <a href="/bots/api#chat">Chat</a> object can now contain &#39;supergroup&#39;.</li>
<li>New optional fields added to the <a href="/bots/api#message">Message</a> object: <em>supergroup_chat_created</em>, <em>migrate_to_chat_id</em>, <em>migrate_from_chat_id</em> and <em>channel_chat_created</em>.</li>
</ul>
<h3><a class="anchor" name="october-8-2015" href="#october-8-2015"><i class="anchor-icon"></i></a>October 8, 2015</h3>
<ul>
<li>Added initial channel support for bots (no Telegram clients support this at the moment, please wait for updates):</li>
<li>The <em>Chat</em> field in the <a href="/bots/api#message">Message</a> is now of the new type <a href="/bots/api#chat">Chat</a>.</li>
<li>You can now pass a channel username (in the format <code>@channelusername</code>) in the place of <em>chat_id</em> in all methods (and instead of <em>from_chat_id</em> in <a href="/bots/api#forwardmessage">forwardMessage</a>). For this to work, the bot must be an administrator in the channel (and that&#39;s exactly what Telegram clients don&#39;t support yet — adding bots as administrators coming soon).</li>
</ul>
<h3><a class="anchor" name="september-18-2015" href="#september-18-2015"><i class="anchor-icon"></i></a>September 18, 2015</h3>
<ul>
<li>Bots can now download files and media sent by users.</li>
<li>Added <a href="/bots/api#getfile">getFile</a> and <a href="/bots/api#file">File</a>.</li>
</ul>
<h3><a class="anchor" name="september-7-2015" href="#september-7-2015"><i class="anchor-icon"></i></a>September 7, 2015</h3>
<ul>
<li>You can now <a href="/bots/api#making-requests">pass parameters</a> using <em>application/json</em> (please note that this doesn&#39;t work for file uploads: use <em>multipart/form-data</em> to upload files).</li>
<li>Added very basic <a href="/bots/api#using-markdown">markdown support</a>. New field <em>parse_mode</em> added to <a href="/bots/api#sendmessage">sendMessage</a>. For the moment messages with markdown will be displayed correctly only in Telegram for <strong>Android</strong>. Other official apps will catch up soon.</li>
</ul>
<h3><a class="anchor" name="august-29-2015" href="#august-29-2015"><i class="anchor-icon"></i></a>August 29, 2015</h3>
<ul>
<li>Added support for self-signed certificates: upload your certificate using the <em>certificate</em> parameter in the <a href="/bots/api#setwebhook">setWebhook</a> method.</li>
<li>You can now make <a href="/bots/api#making-requests-when-getting-updates">new requests</a> when responding to webhook updates.</li>
</ul>
<h3><a class="anchor" name="august-15-2015" href="#august-15-2015"><i class="anchor-icon"></i></a>August 15, 2015</h3>
<ul>
<li>Added new type <strong><a href="/bots/api#voice">Voice</a></strong> and new method <a href="/bots/api#sendvoice"><strong>sendVoice</strong></a> for sending voice messages.</li>
<li>Earlier <strong><a href="/bots/api#audio">Audio</a></strong> and <strong><a href="/bots/api#sendaudio">sendAudio</a></strong> should now be used for sending music files. Telegram clients will show such files in the in-app music player. If you were using <a href="/bots/api#sendaudio"><strong>sendAudio</strong></a> for your bot to send voice messages, please use <a href="/bots/api#sendaudio"><strong>sendVoice</strong></a> instead.</li>
<li>Added optional fields <em>performer</em>, <em>title</em> to the <a href="/bots/api#audio"><strong>Audio</strong></a> object and <a href="/bots/api#sendaudio"><strong>sendAudio</strong></a> method.</li>
<li>Added optional field <em>voice</em> to the <a href="/bots/api#message"><strong>Message</strong></a> object.</li>
</ul>
<h3><a class="anchor" name="july-2015" href="#july-2015"><i class="anchor-icon"></i></a>July 2015</h3>
<ul>
<li>The <strong>thumb</strong> field is now optional for <a href="/bots/api#video">Video</a>, <a href="/bots/api#sticker">Sticker</a> and <a href="/bots/api#document">Document</a> objects</li>
<li>The API now supports both video and photo captions. The <strong>caption</strong> field has been removed from the <a href="/bots/api#video">Video</a> object and added to the <a href="/bots/api#message">Message</a> object instead. </li>
<li><strong>caption</strong> and <strong>duration</strong> optional fields have been added to the <a href="/bots/api#sendvideo">sendVideo</a> method.</li>
<li>Fixed typo: <strong>user_id</strong> in the Contact object is now correctly labeled as Integer, not String</li>
</ul>
<h3><a class="anchor" name="june-24-2015" href="#june-24-2015"><i class="anchor-icon"></i></a>June 24, 2015</h3>
<p>The bot platform was <a href="https://telegram.org/blog/bot-revolution">officially launched</a>.</p>
<blockquote>
<p><strong><a href="/bots/api">Back to the Bot API Manual »</a></strong></p>
</blockquote>
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<div class="dev_page_bread_crumbs"><ul class="breadcrumb clearfix"><li><a href="/mtproto" >Mobile Protocol</a></li><i class="icon icon-breadcrumb-divider"></i><li><a href="/mtproto/description_v1" >Mobile Protocol: Detailed Description (v.1.0…</a></li></ul></div>
<h1 id="dev_page_title">Mobile Protocol: Detailed Description (v.1.0, DEPRECATED)</h1>
<div id="dev_page_content"><blockquote>
<p>This document describes MTProto <strong>v.1.0</strong>, its status is <strong>DEPRECATED</strong>.
For information on encryption used in up-to-date Telegram clients, kindly see <a href="/mtproto/description">this document</a>.</p>
</blockquote>
<p>Prior to a message (or a multipart message) being transmitted over a network using a transport protocol, it is encrypted in a certain way, and an external header is added at the top of the message which is: a 64-bit key identifier (that uniquely identifies an authorization key for the server as well as the user) and a 128-bit message key. </p>
<p>A user key together with the message key define an actual 256-bit key and a 256-bit initialization vector, which is what encrypts the message using AES-256 encryption with infinite garble extension (IGE). Note that the initial part of the message to be encrypted contains variable data (session, message ID, sequence number, server salt) that obviously influences the message key (and thus the AES key and iv). The message key is defined as the 128 lower-order bits of the SHA1 of the message body (including session, message ID, etc.) Multipart messages are encrypted as a single message. </p>
<div><a href="/file/811140187/1/sfBQV3Trp80/3a3c48bad836b853ed">
<img src="/file/811140187/1/sfBQV3Trp80/3a3c48bad836b853ed" alt="MTProto server-client encryption, cloud chats" class="dev_page_image">
</a></div>
<h3><a class="anchor" href="#terminology" id="terminology" name="terminology"><i class="anchor-icon"></i></a>Terminology</h3>
<h4><a class="anchor" href="#authorization-key" id="authorization-key" name="authorization-key"><i class="anchor-icon"></i></a>Authorization Key</h4>
<p>a 2048-bit key shared by the client device and the server, created upon user registration directly on the client device be exchanging Diffie-Hellman keys, and never transmitted over a network. Each authorization key is user-specific. There is nothing that prevents a user from having several keys (that correspond to “permanent sessions” on different devices), and some of these may be locked forever in the event the device is lost. See also <a href="/mtproto/auth_key">Creating an Authorization Key</a>.</p>
<h4><a class="anchor" href="#server-key" id="server-key" name="server-key"><i class="anchor-icon"></i></a>Server Key</h4>
<p>a 2048-bit RSA key used by the server digitally to sign its own messages while registration is underway and the authorization key is being generated. The application has a built-in public server key which can be used to verify a signature but cannot be used to sign messages. A private server key is stored on the server and changed very infrequently.</p>
<h4><a class="anchor" href="#key-identifier" id="key-identifier" name="key-identifier"><i class="anchor-icon"></i></a>Key Identifier</h4>
<p>The 64 lower-order bits of the SHA1 hash of the authorization key are used to indicate which particular key was used to encrypt a message. Keys must be uniquely defined by the 64 lower-order bits of their SHA1, and in the event of a collision, an authorization key is regenerated. A zero key identifier means that encryption is not used which is permissible for a limited set of message types used during registration to generate an authorization key based on a Diffie-Hellman exchange.</p>
<h4><a class="anchor" href="#session" id="session" name="session"><i class="anchor-icon"></i></a>Session</h4>
<p>a (random) 64-bit number generated by the client to distinguish between individual sessions (for example, between different instances of the application, created with the same authorization key). The session in conjunction with the key identifier corresponds to an application instance. The server can maintain session state. <em>Under no circumstances can a message meant for one session be sent into a different session</em>. The server may unilaterally forget any client sessions; clients should be able to handle this. </p>
<h4><a class="anchor" href="#server-salt" id="server-salt" name="server-salt"><i class="anchor-icon"></i></a>Server Salt</h4>
<p>a (random) 64-bit number periodically (say, every 24 hours) changed (separately for each session) at the request of the server. All subsequent messages must contain the new salt (although, messages with the old salt are still accepted for a further 300 seconds). Required to protect against replay attacks and certain tricks associated with adjusting the client clock to a moment in the distant future.</p>
<h4><a class="anchor" href="#message-identifier-msg-id" id="message-identifier-msg-id" name="message-identifier-msg-id"><i class="anchor-icon"></i></a>Message Identifier (msg_id)</h4>
<p>a (time-dependent) 64-bit number used uniquely to identify a message within a session. Client message identifiers are divisible by 4, server message identifiers modulo 4 yield 1 if the message is a response to a client message, and 3 otherwise. Client message identifiers must increase monotonically (within a single session), the same as server message identifiers, and must approximately equal unixtime*2^32. This way, a message identifier points to the approximate moment in time the message was created. A message is rejected over 300 seconds after it is created or 30 seconds before it is created (this is needed to protect from replay attacks). In this situation, it must be re-sent with a different identifier (or placed in a container with a higher identifier). The identifier of a message container must be strictly greater than those of its nested messages.</p>
<p><strong>Important</strong>: to counter replay-attacks the lower 32 bits of <strong>msg_id</strong> passed by the client must not be empty and must present a fractional part of the time point when the message was created. At some point in the nearest future the server will start ignoring messages, in which the lower 32 bits of <strong>msg_id</strong> contain too many zeroes.</p>
<h4><a class="anchor" href="#content-related-message" id="content-related-message" name="content-related-message"><i class="anchor-icon"></i></a>Content-related Message</h4>
<p>A message requiring an explicit acknowledgment. These include all the user and many service messages, virtually all with the exception of containers and acknowledgments. </p>
<h4><a class="anchor" href="#message-sequence-number-msg-seqno" id="message-sequence-number-msg-seqno" name="message-sequence-number-msg-seqno"><i class="anchor-icon"></i></a>Message Sequence Number (msg_seqno)</h4>
<p>a 32-bit number equal to twice the number of “content-related” messages (those requiring acknowledgment, and in particular those that are not containers) created by the sender prior to this message and subsequently incremented by one if the current message is a content-related message. A container is always generated after its entire contents; therefore, its sequence number is greater than or equal to the sequence numbers of the messages contained in it.</p>
<h4><a class="anchor" href="#message-key" id="message-key" name="message-key"><i class="anchor-icon"></i></a>Message Key</h4>
<p>The lower-order 128 bits of the SHA1 hash of the part of the message to be encrypted (including the internal header and excluding the alignment bytes).</p>
<h4><a class="anchor" href="#internal-cryptographic-header" id="internal-cryptographic-header" name="internal-cryptographic-header"><i class="anchor-icon"></i></a>Internal (cryptographic) Header</h4>
<p>A header (16 bytes) added before a message or a container before it is all encrypted together. Consists of the server salt (64 bits) and the session (64 bits).</p>
<h4><a class="anchor" href="#external-cryptographic-header" id="external-cryptographic-header" name="external-cryptographic-header"><i class="anchor-icon"></i></a>External (cryptographic) Header</h4>
<p>A header (24 bytes) added before an encrypted message or a container. Consists of a key identifier (64 bits) and a message key (128 bits).</p>
<h4><a class="anchor" href="#payload" id="payload" name="payload"><i class="anchor-icon"></i></a>Payload</h4>
<p>External header + encrypted message or container.</p>
<h3><a class="anchor" href="#defining-aes-key-and-initialization-vector" id="defining-aes-key-and-initialization-vector" name="defining-aes-key-and-initialization-vector"><i class="anchor-icon"></i></a>Defining AES Key and Initialization Vector</h3>
<p>The 2048-bit authorization key (auth_key) and the 128-bit message key (msg_key) are used to compute a 256-bit AES key (aes_key) and a 256-bit initialization vector (aes_iv) which are subsequently used to encrypt the part of the message to be encrypted (i. e. everything with the exception of the external header which is added later) with AES-256 in infinite garble extension (IGE) mode.</p>
<p>The algorithm for computing aes_key and aes_iv from auth_key and msg_key is as follows:</p>
<ul>
<li>msg_key = substr (SHA1 (plaintext), 4, 16);</li>
<li>sha1_a = SHA1 (msg_key + substr (auth_key, x, 32));</li>
<li>sha1_b = SHA1 (substr (auth_key, 32+x, 16) + msg_key + substr (auth_key, 48+x, 16));</li>
<li>sha1_с = SHA1 (substr (auth_key, 64+x, 32) + msg_key);</li>
<li>sha1_d = SHA1 (msg_key + substr (auth_key, 96+x, 32));</li>
<li>aes_key = substr (sha1_a, 0, 8) + substr (sha1_b, 8, 12) + substr (sha1_c, 4, 12);</li>
<li>aes_iv = substr (sha1_a, 8, 12) + substr (sha1_b, 0, 8) + substr (sha1_c, 16, 4) + substr (sha1_d, 0, 8);</li>
</ul>
<p>where x = 0 for messages from client to server and x = 8 for those from server to client.</p>
<p>The lower-order 1024 bits of auth_key are not involved in the computation. They may (together with the remaining bits or separately) be used on the client device to encrypt the local copy of the data received from the server. The 512 lower-order bits of auth_key are not stored on the server; therefore, if the client device uses them to encrypt local data and the user loses the key or the password, data decryption of local data is impossible (even if data from the server could be obtained).</p>
<p>When AES is used to encrypt a block of data of a length not divisible by 16 bytes, the data is padded with random bytes to the smallest length divisible by 16 bytes immediately prior to being encrypted.</p>
<h3><a class="anchor" href="#important-tests" id="important-tests" name="important-tests"><i class="anchor-icon"></i></a>Important Tests</h3>
<p>When an encrypted message is received, it <em>must</em> be checked that msg_key is <em>in fact</em> equal to the 128 lower-order bits of the SHA1 hash of the previously encrypted portion, and that msg_id has even parity for messages from client to server, and odd parity for messages from server to client.</p>
<p>In addition, the identifiers (msg_id) of the last N messages received from the other side must be stored, and if a message comes in with msg_id lower than all or equal to any of the stored values, the message is to be ignored. Otherwise, the new message msg_id is added to the set, and, if the number of stored msg_id values is greater than N, the oldest (i. e. the lowest) is forgotten.</p>
<p>In addition, msg_id values that belong over 30 seconds in the future or over 300 seconds in the past are to be ignored. This is especially important for the server. The client would also find this useful (to protect from a replay attack), but only if it is certain of its time (for example, if its time has been synchronized with that of the server).</p>
<p>Certain client-to-server service messages containing data sent by the client to the server (for example, msg_id of a recent client query) may, nonetheless, be processed on the client even if the time appears to be “incorrect”. This is especially true of messages to change server_salt and notifications of invalid client time. See <a href="/mtproto/service_messages">Mobile Protocol: Service Messages</a>.</p>
<h3><a class="anchor" href="#storing-an-authorization-key-on-a-client-device" id="storing-an-authorization-key-on-a-client-device" name="storing-an-authorization-key-on-a-client-device"><i class="anchor-icon"></i></a>Storing an Authorization Key on a Client Device</h3>
<p>It may be suggested to users concerned with security that they password protect the authorization key in approximately the same way as in ssh. This is accomplished by adding the SHA1 of the key to the front of the key, following which the entire string is encrypted using AES in CBC mode and a key equal to the user’s (text) password. When the user inputs the password, the stored protected password is decrypted and verified by being compared with SHA1. From the user’s standpoint, this is practically the same as using an application or a website password.</p>
<h3><a class="anchor" href="#unencrypted-messages" id="unencrypted-messages" name="unencrypted-messages"><i class="anchor-icon"></i></a>Unencrypted Messages</h3>
<p>Special plain-text messages may be used to create an authorization key as well as to perform a time synchronization. They begin with auth_key_id = 0 (64 bits) which means that there is no auth_key. This is followed directly by the message body in serialized format without internal or external headers. A message identifier (64 bits) and body length in bytes (32 bytes) are added before the message body.</p>
<p>Only a very limited number of messages of special types can be transmitted as plain text. </p>
<h3><a class="anchor" href="#schematic-presentation-of-messages" id="schematic-presentation-of-messages" name="schematic-presentation-of-messages"><i class="anchor-icon"></i></a>Schematic Presentation of Messages</h3>
<h4><a class="anchor" href="#encrypted-message" id="encrypted-message" name="encrypted-message"><i class="anchor-icon"></i></a>Encrypted Message</h4>
<table class="table"><tr>
<td><a href="#key-identifier"><strong>auth_key_id</strong></a><br>int64</td>
<td><a href="#message-key"><strong>msg_key</strong></a><br>int128</td>
<td><a href="#encrypted-message-encrypted-data"><strong>encrypted_data</strong></a><br>bytes</td>
</tr></table>
<h4><a class="anchor" href="#encrypted-message-encrypted-data" id="encrypted-message-encrypted-data" name="encrypted-message-encrypted-data"><i class="anchor-icon"></i></a>Encrypted Message: <em>encrypted_data</em></h4>
<p>Contains the cypher text for the following data:</p>
<table class="table"><tr>
<td><a href="#server-salt"><strong>salt</strong></a><br>int64</td>
<td><a href="#session"><strong>session_id</strong></a><br>int64</td>
<td><a href="#message-identifier-msg-id"><strong>message_id</strong></a><br>int64</td>
<td><a href="#message-sequence-number-msg-seqno"><strong>seq_no</strong></a><br>int32</td>
<td><strong>message_data_length</strong><br>int32</td>
<td><strong>message_data</strong><br>bytes</td>
<td><strong>padding</strong> 0..15<br>bytes</td>
</tr></table>
<h4><a class="anchor" href="#unencrypted-message" id="unencrypted-message" name="unencrypted-message"><i class="anchor-icon"></i></a>Unencrypted Message</h4>
<table class="table"><tr>
<td><a href="#key-identifier"><strong>auth_key_id</strong></a> = <code>0</code><br>int64</td>
<td><a href="#message-identifier-msg-id"><strong>message_id</strong></a><br>int64</td>
<td><strong>message_data_length</strong><br>int32</td>
<td><strong>message_data</strong><br>bytes</td>
</tr></table>
<h3><a class="anchor" href="#creating-an-authorization-key" id="creating-an-authorization-key" name="creating-an-authorization-key"><i class="anchor-icon"></i></a>Creating an Authorization Key</h3>
<p>An authorization key is normally created once for every user during the application installation process immediately prior to registration. Registration itself, in actuality, occurs after the authorization key is created. However, a user may be prompted to complete the registration form while the authorization key is being generated in the background. Intervals between user key strokes may be used as a source of entropy in the generation of high-quality random numbers required for the creation of an authorization key.</p>
<p>See <a href="/mtproto/auth_key">Creating an Authorization Key</a>.</p>
<p>During the creation of the authorization key, the client obtains its server salt (to be used with the new key for all communication in the near future). The client then creates an encrypted session using the newly generated key, and subsequent communication occurs within that session (including the transmission of the user's registration information and phone number validation) unless the client creates a new session. The client is free to create new or additional sessions at any time by choosing a new random session_id.</p></div>
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<title>account.SentEmailCode</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta property="description" content="The email code that was sent">
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<h1 id="dev_page_title">account.SentEmailCode</h1>
<div id="dev_page_content"><p>The email code that was sent</p>
<p><div class="clearfix">
<ul class="dev_layer_select slightly-pull-right nav nav-pills">
<li class="dropdown">
<a class="dropdown-toggle" onclick="return dropdownClick(this, event)" href="#">Layer 137 <b class="caret"></b></a>
<ul class="dropdown-menu">
<li><a href="?layer=1">1 &ndash; Base layer</a></li><li><a href="?layer=2">2 &ndash; New userpic notifications</a></li><li><a href="?layer=3">3 &ndash; Send message can trigger link change</a></li><li><a href="?layer=4">4 &ndash; Check-in chats</a></li><li><a href="?layer=5">5 &ndash; Localized SMS, localized notifications</a></li><li><a href="?layer=6">6 &ndash; Foursquare integration</a></li><li><a href="?layer=7">7 &ndash; Added wallPaperSolid</a></li><li><a href="?layer=8">8 &ndash; Added end-to-end encryption</a></li><li><a href="?layer=9">9 &ndash; Improved big files upload perfomance</a></li><li><a href="?layer=10">10 &ndash; Improved chat participants updates</a></li><li><a href="?layer=11">11 &ndash; Improved secret chats</a></li><li><a href="?layer=12">12 &ndash; New dynamic support</a></li><li><a href="?layer=13">13 &ndash; Audio, video MIME; contacts import retry; new secret actions</a></li><li><a href="?layer=14">14 &ndash; Notify settings sync, blacklist sync</a></li><li><a href="?layer=15">15 &ndash; Modified getHistory offset behaviour</a></li><li><a href="?layer=16">16 &ndash; Split sendCode into 2 parts</a></li><li><a href="?layer=17">17 &ndash; Added custom typing, introduced message flags</a></li><li><a href="?layer=18">18 &ndash; Added usernames</a></li><li><a href="?layer=23">23 &ndash; Stickers for secret chats</a></li><li><a href="?layer=105">105 &ndash; Scheduled messages, Cloud themes</a></li><li><a href="?layer=108">108 &ndash; Login with QR code</a></li><li><a href="?layer=109">109 &ndash; Polls v2</a></li><li><a href="?layer=110">110 &ndash; People Nearby 2.0, Bank card entity</a></li><li><a href="?layer=111">111 &ndash; Folders, Broadcast Stats</a></li><li><a href="?layer=112">112 &ndash; Old featured stickers, generic dice, poll timer, poll solution</a></li><li><a href="?layer=113">113 &ndash; PSA</a></li><li><a href="?layer=114">114 &ndash; Video thumbs for GIFs</a></li><li><a href="?layer=115">115 &ndash; Peek Channel Invite</a></li><li><a href="?layer=116">116 &ndash; Group Stats, Profile Videos</a></li><li><a href="?layer=117">117 &ndash; WebRTC Phone Calls</a></li><li><a href="?layer=118">118 &ndash; Callback with 2FA, Countries list</a></li><li><a href="?layer=119">119 &ndash; Comments in channels, Threads, Anonymous Admins</a></li><li><a href="?layer=120">120 &ndash; Multipins, Message Stats, GeoLive v2</a></li><li><a href="?layer=121">121 &ndash; SVG-based Outlines for Stickers</a></li><li><a href="?layer=122">122 &ndash; Voice Chats</a></li><li><a href="?layer=123">123 &ndash; Voice Chat improvements</a></li><li><a href="?layer=124">124 &ndash; Expiring Invite links</a></li><li><a href="?layer=125">125 &ndash; Voice Chats in Broadcasts</a></li><li><a href="?layer=126">126 &ndash; Ban channels in channels</a></li><li><a href="?layer=127">127 &ndash; Payments in channels</a></li><li><a href="?layer=128">128 &ndash; Microthumbs for User/Chat profile photos</a></li><li><a href="?layer=129">129 &ndash; Video Chats</a></li><li><a href="?layer=130">130 &ndash; Custom placeholder for bot reply keyboards</a></li><li><a href="?layer=131">131 &ndash; Reset 2FA Password after a week</a></li><li><a href="?layer=132">132 &ndash; Chat themes</a></li><li><a href="?layer=133">133 &ndash; 64-bit IDs for User/Chat</a></li><li><a href="?layer=137"><strong>137 &ndash; reactions</strong></a></li>
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<li><a href="/api/layers">More...</a></li>
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<pre class="page_scheme"><code><a href="/constructor/account.sentEmailCode" >account.sentEmailCode</a>#811f854f email_pattern:<a href="/type/string" >string</a> length:<a href="/type/int" >int</a> = <a href="/type/account.SentEmailCode" class="current_page_link" >account.SentEmailCode</a>;
---functions---
<a href="/method/account.sendVerifyEmailCode" >account.sendVerifyEmailCode</a>#7011509f email:<a href="/type/string" >string</a> = <a href="/type/account.SentEmailCode" class="current_page_link" >account.SentEmailCode</a>;</code></pre></p>
<h3><a class="anchor" href="#constructors" id="constructors" name="constructors"><i class="anchor-icon"></i></a>Constructors</h3>
<table class="table">
<thead>
<tr>
<th>Constructor</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><a href="/constructor/account.sentEmailCode">account.sentEmailCode</a></td>
<td>The sent email code</td>
</tr>
</tbody>
</table>
<h3><a class="anchor" href="#methods" id="methods" name="methods"><i class="anchor-icon"></i></a>Methods</h3>
<table class="table">
<thead>
<tr>
<th>Method</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><a href="/method/account.sendVerifyEmailCode">account.sendVerifyEmailCode</a></td>
<td>Send the verification email code for telegram <a href="/passport">passport</a>.</td>
</tr>
</tbody>
</table></div>
</div>
</div>
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<div class="footer_column footer_column_telegram">
<h5>Telegram</h5>
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Telegram is a cloud-based mobile and desktop messaging app with a focus on security and speed.
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<h5><a href="//telegram.org/faq">About</a></h5>
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<li><a href="//telegram.org/dl/android">Android</a></li>
<li><a href="//telegram.org/dl/wp">Windows Phone</a></li>
</ul>
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<h5><a href="//telegram.org/apps#desktop-apps">Desktop Apps</a></h5>
<ul>
<li><a href="//desktop.telegram.org/">PC/Mac/Linux</a></li>
<li><a href="//macos.telegram.org/">macOS</a></li>
<li><a href="//telegram.org/dl/web">Web-browser</a></li>
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<h5><a href="/">Platform</a></h5>
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202
data/corefork.telegram.org/constructor/langPackLanguage.html Normal file
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<!DOCTYPE html>
<html class="">
<head>
<meta charset="utf-8">
<title>langPackLanguage</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta property="description" content="Identifies a localization pack">
<meta property="og:title" content="langPackLanguage">
<meta property="og:image" content="">
<meta property="og:description" content="Identifies a localization pack">
<link rel="shortcut icon" href="/favicon.ico?4" type="image/x-icon" />
<link href="/css/bootstrap.min.css?3" rel="stylesheet">
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<h1 id="dev_page_title">langPackLanguage</h1>
<div id="dev_page_content"><p>Identifies a localization pack</p>
<p><div class="clearfix">
<ul class="dev_layer_select slightly-pull-right nav nav-pills">
<li class="dropdown">
<a class="dropdown-toggle" onclick="return dropdownClick(this, event)" href="#">Layer 137 <b class="caret"></b></a>
<ul class="dropdown-menu">
<li><a href="?layer=1">1 &ndash; Base layer</a></li><li><a href="?layer=2">2 &ndash; New userpic notifications</a></li><li><a href="?layer=3">3 &ndash; Send message can trigger link change</a></li><li><a href="?layer=4">4 &ndash; Check-in chats</a></li><li><a href="?layer=5">5 &ndash; Localized SMS, localized notifications</a></li><li><a href="?layer=6">6 &ndash; Foursquare integration</a></li><li><a href="?layer=7">7 &ndash; Added wallPaperSolid</a></li><li><a href="?layer=8">8 &ndash; Added end-to-end encryption</a></li><li><a href="?layer=9">9 &ndash; Improved big files upload perfomance</a></li><li><a href="?layer=10">10 &ndash; Improved chat participants updates</a></li><li><a href="?layer=11">11 &ndash; Improved secret chats</a></li><li><a href="?layer=12">12 &ndash; New dynamic support</a></li><li><a href="?layer=13">13 &ndash; Audio, video MIME; contacts import retry; new secret actions</a></li><li><a href="?layer=14">14 &ndash; Notify settings sync, blacklist sync</a></li><li><a href="?layer=15">15 &ndash; Modified getHistory offset behaviour</a></li><li><a href="?layer=16">16 &ndash; Split sendCode into 2 parts</a></li><li><a href="?layer=17">17 &ndash; Added custom typing, introduced message flags</a></li><li><a href="?layer=18">18 &ndash; Added usernames</a></li><li><a href="?layer=23">23 &ndash; Stickers for secret chats</a></li><li><a href="?layer=105">105 &ndash; Scheduled messages, Cloud themes</a></li><li><a href="?layer=108">108 &ndash; Login with QR code</a></li><li><a href="?layer=109">109 &ndash; Polls v2</a></li><li><a href="?layer=110">110 &ndash; People Nearby 2.0, Bank card entity</a></li><li><a href="?layer=111">111 &ndash; Folders, Broadcast Stats</a></li><li><a href="?layer=112">112 &ndash; Old featured stickers, generic dice, poll timer, poll solution</a></li><li><a href="?layer=113">113 &ndash; PSA</a></li><li><a href="?layer=114">114 &ndash; Video thumbs for GIFs</a></li><li><a href="?layer=115">115 &ndash; Peek Channel Invite</a></li><li><a href="?layer=116">116 &ndash; Group Stats, Profile Videos</a></li><li><a href="?layer=117">117 &ndash; WebRTC Phone Calls</a></li><li><a href="?layer=118">118 &ndash; Callback with 2FA, Countries list</a></li><li><a href="?layer=119">119 &ndash; Comments in channels, Threads, Anonymous Admins</a></li><li><a href="?layer=120">120 &ndash; Multipins, Message Stats, GeoLive v2</a></li><li><a href="?layer=121">121 &ndash; SVG-based Outlines for Stickers</a></li><li><a href="?layer=122">122 &ndash; Voice Chats</a></li><li><a href="?layer=123">123 &ndash; Voice Chat improvements</a></li><li><a href="?layer=124">124 &ndash; Expiring Invite links</a></li><li><a href="?layer=125">125 &ndash; Voice Chats in Broadcasts</a></li><li><a href="?layer=126">126 &ndash; Ban channels in channels</a></li><li><a href="?layer=127">127 &ndash; Payments in channels</a></li><li><a href="?layer=128">128 &ndash; Microthumbs for User/Chat profile photos</a></li><li><a href="?layer=129">129 &ndash; Video Chats</a></li><li><a href="?layer=130">130 &ndash; Custom placeholder for bot reply keyboards</a></li><li><a href="?layer=131">131 &ndash; Reset 2FA Password after a week</a></li><li><a href="?layer=132">132 &ndash; Chat themes</a></li><li><a href="?layer=133">133 &ndash; 64-bit IDs for User/Chat</a></li><li><a href="?layer=137"><strong>137 &ndash; reactions</strong></a></li>
<li class="divider"></li>
<li><a href="/api/layers">More...</a></li>
</ul>
</li>
</ul>
</div>
<pre class="page_scheme"><code><a href="/constructor/langPackLanguage" class="current_page_link" >langPackLanguage</a>#eeca5ce3 flags:<a href="/type/%23" >#</a> official:flags.0?true rtl:flags.2?true beta:flags.3?true name:<a href="/type/string" >string</a> native_name:<a href="/type/string" >string</a> lang_code:<a href="/type/string" >string</a> base_lang_code:flags.1?<a href="/type/string" >string</a> plural_code:<a href="/type/string" >string</a> strings_count:<a href="/type/int" >int</a> translated_count:<a href="/type/int" >int</a> translations_url:<a href="/type/string" >string</a> = <a href="/type/LangPackLanguage" >LangPackLanguage</a>;</code></pre></p>
<h3><a class="anchor" href="#parameters" id="parameters" name="parameters"><i class="anchor-icon"></i></a>Parameters</h3>
<table class="table">
<thead>
<tr>
<th>Name</th>
<th style="text-align: center;">Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><strong>flags</strong></td>
<td style="text-align: center;"><a href="/type/%23">#</a></td>
<td>Flags, see <a href="/mtproto/TL-combinators#conditional-fields">TL conditional fields</a></td>
</tr>
<tr>
<td><strong>official</strong></td>
<td style="text-align: center;"><a href="/mtproto/TL-combinators#conditional-fields">flags</a>.0?<a href="/constructor/true">true</a></td>
<td>Whether the language pack is official</td>
</tr>
<tr>
<td><strong>rtl</strong></td>
<td style="text-align: center;"><a href="/mtproto/TL-combinators#conditional-fields">flags</a>.2?<a href="/constructor/true">true</a></td>
<td>Is this a localization pack for an RTL language</td>
</tr>
<tr>
<td><strong>beta</strong></td>
<td style="text-align: center;"><a href="/mtproto/TL-combinators#conditional-fields">flags</a>.3?<a href="/constructor/true">true</a></td>
<td>Is this a beta localization pack?</td>
</tr>
<tr>
<td><strong>name</strong></td>
<td style="text-align: center;"><a href="/type/string">string</a></td>
<td>Language name</td>
</tr>
<tr>
<td><strong>native_name</strong></td>
<td style="text-align: center;"><a href="/type/string">string</a></td>
<td>Language name in the language itself</td>
</tr>
<tr>
<td><strong>lang_code</strong></td>
<td style="text-align: center;"><a href="/type/string">string</a></td>
<td>Language code (pack identifier)</td>
</tr>
<tr>
<td><strong>base_lang_code</strong></td>
<td style="text-align: center;"><a href="/mtproto/TL-combinators#conditional-fields">flags</a>.1?<a href="/type/string">string</a></td>
<td>Identifier of a base language pack; may be empty. If a string is missed in the language pack, then it should be fetched from base language pack. Unsupported in custom language packs</td>
</tr>
<tr>
<td><strong>plural_code</strong></td>
<td style="text-align: center;"><a href="/type/string">string</a></td>
<td>A language code to be used to apply plural forms. See <a href="https://www.unicode.org/cldr/charts/latest/supplemental/language_plural_rules.html">https://www.unicode.org/cldr/charts/latest/supplemental/language_plural_rules.html</a> for more info</td>
</tr>
<tr>
<td><strong>strings_count</strong></td>
<td style="text-align: center;"><a href="/type/int">int</a></td>
<td>Total number of non-deleted strings from the language pack</td>
</tr>
<tr>
<td><strong>translated_count</strong></td>
<td style="text-align: center;"><a href="/type/int">int</a></td>
<td>Total number of translated strings from the language pack</td>
</tr>
<tr>
<td><strong>translations_url</strong></td>
<td style="text-align: center;"><a href="/type/string">string</a></td>
<td>Link to language translation interface; empty for custom local language packs</td>
</tr>
</tbody>
</table>
<h3><a class="anchor" href="#type" id="type" name="type"><i class="anchor-icon"></i></a>Type</h3>
<p><a href="/type/LangPackLanguage">LangPackLanguage</a></p></div>
</div>
</div>
</div>
<div class="footer_wrap">
<div class="footer_columns_wrap footer_desktop">
<div class="footer_column footer_column_telegram">
<h5>Telegram</h5>
<div class="footer_telegram_description"></div>
Telegram is a cloud-based mobile and desktop messaging app with a focus on security and speed.
</div>
<div class="footer_column">
<h5><a href="//telegram.org/faq">About</a></h5>
<ul>
<li><a href="//telegram.org/faq">FAQ</a></li>
<li><a href="//telegram.org/blog">Blog</a></li>
<li><a href="//telegram.org/jobs">Jobs</a></li>
</ul>
</div>
<div class="footer_column">
<h5><a href="//telegram.org/apps#mobile-apps">Mobile Apps</a></h5>
<ul>
<li><a href="//telegram.org/dl/ios">iPhone/iPad</a></li>
<li><a href="//telegram.org/dl/android">Android</a></li>
<li><a href="//telegram.org/dl/wp">Windows Phone</a></li>
</ul>
</div>
<div class="footer_column">
<h5><a href="//telegram.org/apps#desktop-apps">Desktop Apps</a></h5>
<ul>
<li><a href="//desktop.telegram.org/">PC/Mac/Linux</a></li>
<li><a href="//macos.telegram.org/">macOS</a></li>
<li><a href="//telegram.org/dl/web">Web-browser</a></li>
</ul>
</div>
<div class="footer_column footer_column_platform">
<h5><a href="//core.telegram.org/">Platform</a></h5>
<ul>
<li><a href="//core.telegram.org/api">API</a></li>
<li><a href="//translations.telegram.org/">Translations</a></li>
<li><a href="//instantview.telegram.org/">Instant View</a></li>
</ul>
</div>
</div>
<div class="footer_columns_wrap footer_mobile">
<div class="footer_column">
<h5><a href="//telegram.org/faq">About</a></h5>
</div>
<div class="footer_column">
<h5><a href="//telegram.org/blog">Blog</a></h5>
</div>
<div class="footer_column">
<h5><a href="//telegram.org/apps">Apps</a></h5>
</div>
<div class="footer_column">
<h5><a href="//core.telegram.org/">Platform</a></h5>
</div>
<div class="footer_column">
<h5><a href="https://twitter.com/telegram" target="_blank" data-track="Follow/Twitter" onclick="trackDlClick(this, event)">Twitter</a></h5>
</div>
</div>
</div>
</div>
<script src="/js/main.js?43"></script>
<script>backToTopInit("Go up");
removePreloadInit();
</script>
</body>
</html>

31
data/core.telegram.org/constructor/decryptedMessageActionReadMessages.html → data/corefork.telegram.org/constructor/securePasswordKdfAlgoSHA512.html
View file

@ -2,12 +2,12 @@
<html class="">
<head>
<meta charset="utf-8">
<title>decryptedMessageActionReadMessages</title>
<title>securePasswordKdfAlgoSHA512</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta property="description" content="Messages marked as read.">
<meta property="og:title" content="decryptedMessageActionReadMessages">
<meta property="description" content="SHA512 KDF algo">
<meta property="og:title" content="securePasswordKdfAlgoSHA512">
<meta property="og:image" content="">
<meta property="og:description" content="Messages marked as read.">
<meta property="og:description" content="SHA512 KDF algo">
<link rel="shortcut icon" href="/favicon.ico?4" type="image/x-icon" />
<link href="/css/bootstrap.min.css?3" rel="stylesheet">
@ -36,10 +36,10 @@
<div class="container clearfix">
<div class="dev_page">
<div id="dev_page_content_wrap" class=" ">
<div class="dev_page_bread_crumbs"><ul class="breadcrumb clearfix"><li><a href="/api" >API</a></li><i class="icon icon-breadcrumb-divider"></i><li><a href="/schema" >TL-schema</a></li><i class="icon icon-breadcrumb-divider"></i><li><a href="/constructor/decryptedMessageActionReadMessages" >decryptedMessageActionReadMessages</a></li></ul></div>
<h1 id="dev_page_title">decryptedMessageActionReadMessages</h1>
<div class="dev_page_bread_crumbs"><ul class="breadcrumb clearfix"><li><a href="/api" >API</a></li><i class="icon icon-breadcrumb-divider"></i><li><a href="/schema" >TL-schema</a></li><i class="icon icon-breadcrumb-divider"></i><li><a href="/constructor/securePasswordKdfAlgoSHA512" >securePasswordKdfAlgoSHA512</a></li></ul></div>
<h1 id="dev_page_title">securePasswordKdfAlgoSHA512</h1>
<div id="dev_page_content"><p>Messages marked as read.</p>
<div id="dev_page_content"><p>SHA512 KDF algo</p>
<p><div class="clearfix">
<ul class="dev_layer_select slightly-pull-right nav nav-pills">
<li class="dropdown">
@ -52,8 +52,7 @@
</li>
</ul>
</div>
<pre class="page_scheme"><code>===8===
<a href="/constructor/decryptedMessageActionReadMessages" class="current_page_link" >decryptedMessageActionReadMessages</a>#c4f40be random_ids:<a href="/type/Vector%20t" >Vector</a>&lt;<a href="/type/long" >long</a>&gt; = <a href="/type/DecryptedMessageAction" >DecryptedMessageAction</a>;</code></pre></p>
<pre class="page_scheme"><code><a href="/constructor/securePasswordKdfAlgoSHA512" class="current_page_link" >securePasswordKdfAlgoSHA512</a>#86471d92 salt:<a href="/type/bytes" >bytes</a> = <a href="/type/SecurePasswordKdfAlgo" >SecurePasswordKdfAlgo</a>;</code></pre></p>
<h3><a class="anchor" href="#parameters" id="parameters" name="parameters"><i class="anchor-icon"></i></a>Parameters</h3>
<table class="table">
<thead>
@ -65,14 +64,14 @@
</thead>
<tbody>
<tr>
<td><strong>random_ids</strong></td>
<td style="text-align: center;"><a href="/type/Vector%20t">Vector</a>&lt;<a href="/type/long">long</a>&gt;</td>
<td>List of message IDs</td>
<td><strong>salt</strong></td>
<td style="text-align: center;"><a href="/type/bytes">bytes</a></td>
<td>Salt</td>
</tr>
</tbody>
</table>
<h3><a class="anchor" href="#type" id="type" name="type"><i class="anchor-icon"></i></a>Type</h3>
<p><a href="/type/DecryptedMessageAction">DecryptedMessageAction</a></p></div>
<p><a href="/type/SecurePasswordKdfAlgo">SecurePasswordKdfAlgo</a></p></div>
</div>
@ -111,9 +110,9 @@
</ul>
</div>
<div class="footer_column footer_column_platform">
<h5><a href="/">Platform</a></h5>
<h5><a href="//core.telegram.org/">Platform</a></h5>
<ul>
<li><a href="/api">API</a></li>
<li><a href="//core.telegram.org/api">API</a></li>
<li><a href="//translations.telegram.org/">Translations</a></li>
<li><a href="//instantview.telegram.org/">Instant View</a></li>
</ul>
@ -130,7 +129,7 @@
<h5><a href="//telegram.org/apps">Apps</a></h5>
</div>
<div class="footer_column">
<h5><a href="/">Platform</a></h5>
<h5><a href="//core.telegram.org/">Platform</a></h5>
</div>
<div class="footer_column">
<h5><a href="https://twitter.com/telegram" target="_blank" data-track="Follow/Twitter" onclick="trackDlClick(this, event)">Twitter</a></h5>

42
data/core.telegram.org/constructor/decryptedMessageActionDeleteMessages.html → data/corefork.telegram.org/constructor/storage.fileJpeg
View file

@ -2,12 +2,12 @@
<html class="">
<head>
<meta charset="utf-8">
<title>decryptedMessageActionDeleteMessages</title>
<title>storage.fileJpeg</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta property="description" content="Deleted messages.">
<meta property="og:title" content="decryptedMessageActionDeleteMessages">
<meta property="description" content="JPEG image. MIME type: image/jpeg.">
<meta property="og:title" content="storage.fileJpeg">
<meta property="og:image" content="">
<meta property="og:description" content="Deleted messages.">
<meta property="og:description" content="JPEG image. MIME type: image/jpeg.">
<link rel="shortcut icon" href="/favicon.ico?4" type="image/x-icon" />
<link href="/css/bootstrap.min.css?3" rel="stylesheet">
@ -36,10 +36,10 @@
<div class="container clearfix">
<div class="dev_page">
<div id="dev_page_content_wrap" class=" ">
<div class="dev_page_bread_crumbs"><ul class="breadcrumb clearfix"><li><a href="/api" >API</a></li><i class="icon icon-breadcrumb-divider"></i><li><a href="/schema" >TL-schema</a></li><i class="icon icon-breadcrumb-divider"></i><li><a href="/constructor/decryptedMessageActionDeleteMessages" >decryptedMessageActionDeleteMessages</a></li></ul></div>
<h1 id="dev_page_title">decryptedMessageActionDeleteMessages</h1>
<div class="dev_page_bread_crumbs"><ul class="breadcrumb clearfix"><li><a href="/api" >API</a></li><i class="icon icon-breadcrumb-divider"></i><li><a href="/schema" >TL-schema</a></li><i class="icon icon-breadcrumb-divider"></i><li><a href="/constructor/storage.fileJpeg" >storage.fileJpeg</a></li></ul></div>
<h1 id="dev_page_title">storage.fileJpeg</h1>
<div id="dev_page_content"><p>Deleted messages.</p>
<div id="dev_page_content"><p>JPEG image. MIME type: <code>image/jpeg</code>.</p>
<p><div class="clearfix">
<ul class="dev_layer_select slightly-pull-right nav nav-pills">
<li class="dropdown">
@ -52,27 +52,11 @@
</li>
</ul>
</div>
<pre class="page_scheme"><code>===8===
<a href="/constructor/decryptedMessageActionDeleteMessages" class="current_page_link" >decryptedMessageActionDeleteMessages</a>#65614304 random_ids:<a href="/type/Vector%20t" >Vector</a>&lt;<a href="/type/long" >long</a>&gt; = <a href="/type/DecryptedMessageAction" >DecryptedMessageAction</a>;</code></pre></p>
<pre class="page_scheme"><code><a href="/constructor/storage.fileJpeg" class="current_page_link" >storage.fileJpeg</a>#7efe0e = <a href="/type/storage.FileType" >storage.FileType</a>;</code></pre></p>
<h3><a class="anchor" href="#parameters" id="parameters" name="parameters"><i class="anchor-icon"></i></a>Parameters</h3>
<table class="table">
<thead>
<tr>
<th>Name</th>
<th style="text-align: center;">Type</th>
<th>Description</th>
</tr>
</thead>
<tbody>
<tr>
<td><strong>random_ids</strong></td>
<td style="text-align: center;"><a href="/type/Vector%20t">Vector</a>&lt;<a href="/type/long">long</a>&gt;</td>
<td>List of deleted message IDs</td>
</tr>
</tbody>
</table>
<p>This constructor does not require any parameters.</p>
<h3><a class="anchor" href="#type" id="type" name="type"><i class="anchor-icon"></i></a>Type</h3>
<p><a href="/type/DecryptedMessageAction">DecryptedMessageAction</a></p></div>
<p><a href="/type/storage.FileType">storage.FileType</a></p></div>
</div>
@ -111,9 +95,9 @@
</ul>
</div>
<div class="footer_column footer_column_platform">
<h5><a href="/">Platform</a></h5>
<h5><a href="//core.telegram.org/">Platform</a></h5>
<ul>
<li><a href="/api">API</a></li>
<li><a href="//core.telegram.org/api">API</a></li>
<li><a href="//translations.telegram.org/">Translations</a></li>
<li><a href="//instantview.telegram.org/">Instant View</a></li>
</ul>
@ -130,7 +114,7 @@
<h5><a href="//telegram.org/apps">Apps</a></h5>
</div>
<div class="footer_column">
<h5><a href="/">Platform</a></h5>
<h5><a href="//core.telegram.org/">Platform</a></h5>
</div>
<div class="footer_column">
<h5><a href="https://twitter.com/telegram" target="_blank" data-track="Follow/Twitter" onclick="trackDlClick(this, event)">Twitter</a></h5>

2519
data/promote.telegram.org/js/widget-frame.js Normal file
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