Telegram messenger for iOS
Telegram is a messaging app with a focus on speed and security. It’s superfast, simple and free.
This repo contains official code but the repo IS NOT RUN BY TELEGRAM DEVELOPERS Telegram App for iOS source code.
API, Protocol documentation
Documentation for Telegram API is available here: http://core.telegram.org/api
Documentation for MTproto protocol is available here: http://core.telegram.org/mtproto