Chat SDK adds Telegram adapter support
Chat SDK now works with Telegram. Teams can build multi-platform bots without rewriting code.
Why it matters
Vercel's Chat SDK expands its platform support to Telegram, lowering friction for developers building AI-powered bots across fragmented chat ecosystems. This reduces developer lift for multi-channel AI agent deployment.
The key facts
8 to knowChat SDK adds Telegram adapter to existing Slack, Discord, GitHub, Teams support
Single-codebase approach enables cross-platform bot development
Telegram adapter supports mentions, reactions, DMs, typing indicators, file uploads, text cards, buttons, inline keyboards
Limitations: no full message history API (adapter-level caching required), 64-byte callback limit, no modals or ephemeral messages
Published Feb 27, 2026
Single codebase deployment across 5 messaging platforms
Telegram API constraints: no historical message access (adapter-level caching required), 64-byte callback data limit, no modals or ephemeral messages
Published Feb 27, 2026 — Vercel changelog
Go to the source
Vercel Blogvercel.com
Publisher excerpt: Chat SDK now supports Telegram, extending its single-codebase approach to Slack, Discord, GitHub, and Teams, with the new .Telegram adapter Teams can build bots that support mentions, message reactions, direct messages, and typing indicators. The adapter handles single file uploads and renders…