diff --git a/aiogram/api.py b/aiogram/api.py
index 77547636..12b0205f 100644
--- a/aiogram/api.py
+++ b/aiogram/api.py
@@ -51,34 +51,34 @@ async def request(session, token, method, data=None):
 
 class ApiMethods:
     GET_ME = 'getMe'
-    GET_UPDATES = 'getUpdates'
-    SET_WEBHOOK = 'setWebhook'
-    DELETE_WEBHOOK = 'deleteWebhook'
-    GET_WEBHOOK_INFO = 'getWebhookInfo'
-    SEND_MESSAGE = 'sendMessage'
-    FORWARD_MESSAGE = 'forwardMessage'
-    SEND_PHOTO = 'sendPhoto'
-    SEND_AUDIO = 'sendAudio'
-    SEND_DOCUMENT = 'sendDocument'
-    SEND_STICKER = 'sendSticker'
-    SEND_VIDEO = 'sendVideo'
-    SEND_VOICE = 'sendVoice'
-    SEND_VIDEO_NOTE = 'sendVideoNote'
-    SEND_LOCATION = 'sendLocation'
-    SEND_VENUE = 'sendVenue'
-    SEND_CONTACT = 'sendContact'
-    SEND_CHAT_ACTION = 'sendChatAction'
-    GET_USER_PROFILE_PHOTOS = 'getUserProfilePhotos'
-    GET_FILE = 'getFile'
-    KICK_CHAT_MEMBER = 'kickChatMember'
-    UNBAN_CHAT_MEMBER = 'unbanChatMember'
-    LEAVE_CHAT = 'leaveChat'
+    GET_UPDATES = 'getUpdates'  # TODO
+    SET_WEBHOOK = 'setWebhook'  # TODO
+    DELETE_WEBHOOK = 'deleteWebhook'  # TODO
+    GET_WEBHOOK_INFO = 'getWebhookInfo'  # TODO
+    SEND_MESSAGE = 'sendMessage'  # TODO
+    FORWARD_MESSAGE = 'forwardMessage'  # TODO
+    SEND_PHOTO = 'sendPhoto'  # TODO
+    SEND_AUDIO = 'sendAudio'  # TODO
+    SEND_DOCUMENT = 'sendDocument'  # TODO
+    SEND_STICKER = 'sendSticker'  # TODO
+    SEND_VIDEO = 'sendVideo'  # TODO
+    SEND_VOICE = 'sendVoice'  # TODO
+    SEND_VIDEO_NOTE = 'sendVideoNote'  # TODO
+    SEND_LOCATION = 'sendLocation'  # TODO
+    SEND_VENUE = 'sendVenue'  # TODO
+    SEND_CONTACT = 'sendContact'  # TODO
+    SEND_CHAT_ACTION = 'sendChatAction'  # TODO
+    GET_USER_PROFILE_PHOTOS = 'getUserProfilePhotos'  # TODO
+    GET_FILE = 'getFile'  # TODO
+    KICK_CHAT_MEMBER = 'kickChatMember'  # TODO
+    UNBAN_CHAT_MEMBER = 'unbanChatMember'  # TODO
+    LEAVE_CHAT = 'leaveChat'  # TODO
     GET_CHAT = 'getChat'
-    GET_CHAT_ADMINISTRATORS = 'getChatAdministrators'
-    GET_CHAT_MEMBERS_COUNT = 'getChatMembersCount'
-    GET_CHAT_MEMBER = 'getChatMember'
-    ANSWER_CALLBACK_QUERY = 'answerCallbackQuery'
-    EDIT_MESSAGE_TEXT = 'editMessageText'
-    EDIT_MESSAGE_CAPTION = 'editMessageCaption'
-    EDIT_MESSAGE_REPLY_MARKUP = 'editMessageReplyMarkup'
-    DELETE_MESSAGE = 'deleteMessage'
\ No newline at end of file
+    GET_CHAT_ADMINISTRATORS = 'getChatAdministrators'  # TODO
+    GET_CHAT_MEMBERS_COUNT = 'getChatMembersCount'  # TODO
+    GET_CHAT_MEMBER = 'getChatMember'  # TODO
+    ANSWER_CALLBACK_QUERY = 'answerCallbackQuery'  # TODO
+    EDIT_MESSAGE_TEXT = 'editMessageText'  # TODO
+    EDIT_MESSAGE_CAPTION = 'editMessageCaption'  # TODO
+    EDIT_MESSAGE_REPLY_MARKUP = 'editMessageReplyMarkup'  # TODO
+    DELETE_MESSAGE = 'deleteMessage'  # TODO