Chat SDK now supports XChat
Vercel's Chat SDK now bridges encrypted messaging: developers can build bots for XChat without handling crypto themselves.

Why it matters
A developer tool expands to support encrypted messaging platforms. Practitioners building conversational AI or bot infrastructure gain a new deployment target with automatic encryption handling — lowering the bar for secure, multi-platform bot deployment.
The key facts
11 to knowVercel Chat SDK adds XChat adapter
Adapter handles encryption, key management, and signature verification automatically
Supports end-to-end encrypted 1:1 and group conversations
Bots can message users first (if user has encrypted chat enabled and follows bot)
Fallback rendering for XChat's lack of markdown: URLs/mentions as links, tables as ASCII, cards as text with preview
Streaming via message edits
Vercel Chat SDK adds XChat adapter support
Handles end-to-end encryption, key management, and signature verification automatically
Bots can initiate messages to users with encrypted chat enabled
Markdown falls back to ASCII/links/preview links; streaming via message edits
Published August 25, 2026
Go to the source
Vercel Blogvercel.com
Publisher excerpt: You can now build bots that hold end-to-end encrypted 1:1 and group conversations on XChat with the new for Chat SDK.XChat adapter The adapter handles all encryption, key management, and signature verification automatically. Bots can also message users first, as long as the user has encrypted chat…