Chat SDK adds Dial support
Chat SDK now handles SMS, MMS, and iMessage. Developers can build AI bots that talk back via real phone numbers—no integration hell.
Why it matters
Vercel's Chat SDK expansion into voice and messaging channels lowers the barrier for developers to deploy AI agents across multiple communication layers. This is infrastructure-as-a-feature for the agent-building wave.
The key facts
12 to knowChat SDK now supports Dial integration
Bidirectional SMS, MMS, and iMessage support
Voice call transcripts auto-thread into Chat SDK
HMAC-verified webhooks and stable per-conversation threading
Uses standard Chat SDK APIs for subscriptions, handlers, and state management
Enables AI bots on real phone numbers
Chat SDK adds .vendor-official Dial adapter
Supports SMS, MMS, iMessage, and voice calls on real phone numbers
Bidirectional media and inbound voice-call transcripts included
Standard Chat SDK APIs (threads, messages, webhooks, subscriptions) apply
HMAC-verified webhooks with stable per-conversation threading
Published July 8, 2026
Go to the source
Vercel Blogvercel.com
Publisher excerpt: Chat SDK now supports Dial with the new .vendor-official adapter Build bots that send and receive SMS, MMS, and iMessage on a real phone number, with bidirectional media and inbound voice-call transcripts. Replies use the standard Chat SDK thread and message APIs, with HMAC-verified webhooks and…