Chat SDK adds Sendblue support
Chat SDK now reaches users where they actually message. Sendblue adapter brings iMessage, SMS, and RCS into your AI bot workflows.

Why it matters
Messaging infrastructure is becoming a critical deployment layer for AI agents. This integration lowers the friction for builders to reach users across fragmented messaging platforms—a key unlock for consumer-facing AI products.
The key facts
9 to knowChat SDK adds .vendor-official Sendblue adapter
Supports iMessage, SMS, and RCS with automatic fallback
Sendblue conversation maps to Chat SDK thread
Features include tapbacks, typing indicators, delivery status callbacks
Bridges AI agents to fragmented messaging ecosystems
Supports iMessage-first delivery with SMS/RCS fallback
Features: tapbacks, typing indicators, delivery status callbacks
Maps Sendblue conversations to Chat SDK threads
Enables multi-channel bot deployment across messaging apps
Go to the source
Vercel Blogvercel.com
Publisher excerpt: Chat SDK now supports Sendblue with the new .vendor-official adapter Build bots that send and receive iMessage, SMS, and RCS through Sendblue's hosted gateway, reaching people on the messaging apps they already use. Messages use iMessage-first delivery with support for automatic SMS and RCS…