Chat SDK adds Lark and Feishu support
Chat SDK now works with Lark and Feishu. Builders in Asia just got a faster path to deploy AI bots without webhook overhead.

Why it matters
Vercel's Chat SDK expansion into Lark and Feishu lowers friction for developers building AI agents in Asia's dominant workplace platforms. WebSocket-native support eliminates infrastructure complexity for bot deployment.
The key facts
10 to knowChat SDK adds .vendor-official adapter for Lark and Feishu
Supports message posting, editing, deletion, and emoji reactions
Native cardkit typewriter API for streaming replies
WebSocket transport eliminates need for HTTP webhook exposure
Runs from any long-running Node process
Published May 31, 2026
Supports message post, edit, delete operations
WebSocket-based connection eliminates HTTP webhook requirement
Long-running Node process compatible
Interactive cards and emoji reactions supported across platforms
Go to the source
Vercel Blogvercel.com
Publisher excerpt: Chat SDK now supports Lark and Feishu via a new .vendor-official adapter Build bots that post, edit, and delete messages, stream replies via Lark's native cardkit typewriter API, send interactive cards, and react with emojis across both Lark and Feishu conversations. The adapter connects over…