Channels & Bots · Channel & Group Ops
Developer guide
Bot API, mini apps, the Telegram API, TDLib and MTProto concepts for developers.
Channels & Bots QR Login in the Telegram API
Channels & Bots Reading Telegram API Errors: FLOOD_WAIT and Retries
Channels & Bots Telegram Data Centers: _MIGRATE Errors and Switching DCs
Channels & Bots Telegram API Updates: Catching Up on Missed Messages
Channels & Bots Calling Telegram API Methods: Layers and initConnection
Channels & Bots Uploading and Downloading Files With the Telegram API
Channels & Bots Expired File References: FILE_REFERENCE_EXPIRED
Channels & Bots Pagination in the Telegram API: offset and hash
Channels & Bots Peers and access_hash: Why an ID Alone Can't Send
Channels & Bots Channels, Supergroups and Basic Groups in the Telegram API
Channels & Bots Telegram Message Formatting: Entities and UTF-16 Lengths
Channels & Bots Telegram Bot API vs User Accounts: TDLib and MTProto
Channels & Bots Build TDLib and Make the First Connection
Channels & Bots Telegram Gateway API: Send Verification Codes via Telegram
Channels & Bots MTProto at a Glance: What Developers Don't Have to Do
Channels & Bots Creating a Telegram Authorization Key: The Key Exchange
Channels & Bots How Telegram Secret Chat Encryption Works: Where Keys Live
Channels & Bots Telegram Client Security Guidelines if You Implement MTProto