diff --git a/src/errors.rs b/src/errors.rs
index e8c1ae21..4a629d71 100644
--- a/src/errors.rs
+++ b/src/errors.rs
@@ -39,3 +39,50 @@ pub enum RequestError {
 }
 
 //</editor-fold>
+
+#[derive(Debug, Deserialize, PartialEq, Copy, Hash, Eq)]
+enum ApiErrorKind {
+    /// Occurs when the bot has been blocked by the user.
+    #[serde(rename = "Forbidden: bot was blocked by the user")]
+    BotBlocked,
+
+    /// Occurs when bot trying to modify a message without modification content
+    #[serde(rename = "Bad Request: message is not modified: specified new message content and reply markup are exactly the same as a current content and reply markup of the message")]
+    MessageNotModified,
+
+    /// Occurs when bot trying to forward or delete a message which was deleted
+    #[serde(rename = "Bad Request: MESSAGE_ID_INVALID")]
+    MessageIdInvalid,
+
+    /// Occurs when bot trying to forward a message which does not exists
+    #[serde(rename = "Bad Request: message to forward not found")]
+    MessageToForwardNotFound,
+
+    /// Occurs when bot trying to delete a message which does not exists
+    #[serde(rename = "Bad Request: message to delete not found")]
+    MessageToDeleteNotFound,
+
+    /// Occurs when bot trying to send a text message without text
+    #[serde(rename = "Bad Request: message text is empty")]
+    MessageTextIsEmpty,
+
+    MessageCantBeEdited, //?
+
+    MessageCantBeDeleted, //?
+
+    /// Occurs when bot trying to edit a message which does not exists
+    #[serde(rename = "Bad Request: message to edit not found")]
+    MessageToEditNotFound,
+
+    /// Occurs when bot trying to reply to a message which does not exists
+    #[serde(rename = "Bad Request: reply message not found")]
+    MessageToReplyNotFound,
+
+    ToMuchMessages, //?
+
+    PollCantBeStopped, //?
+
+    /// Occurs when bot trying to stop poll that has already been stopped
+    #[serde(rename = "Bad Request: poll has already been closed")]
+    PollHasAlreadyClosed,
+}