Chat SDK adds Kapso support
Chat SDK now bridges WhatsApp at scale. Developers can spin up AI bots on the world's most-used messaging platform without wrestling with Meta's API.

Why it matters
Vercel's Chat SDK expansion into WhatsApp via Kapso lowers friction for builders shipping conversational AI to 2B+ users. This is infrastructure-as-abstraction for the app layer.
The key facts
10 to knowVercel Chat SDK adds Kapso adapter for WhatsApp integration
Kapso handles WhatsApp Business setup, credentials, and webhooks
Standard Chat SDK APIs (threads, messages) work across WhatsApp
Support for buttons, cards, media, reactions, contacts, conversation history
Each WhatsApp conversation maps to Chat SDK thread with phone number + contact
Published June 22, 2026
Chat SDK adds .vendor-official Kapso adapter
Native WhatsApp Business integration via hosted Kapso platform
1:1 mapping of WhatsApp conversations to Chat SDK threads
Reduces WhatsApp Business setup and credential management overhead
Go to the source
Vercel Blogvercel.com
Publisher excerpt: Chat SDK now supports Kapso with the new .vendor-official adapter Kapso connects your bot to WhatsApp through its hosted platform, handling the WhatsApp Business setup, credentials, and webhooks so you can focus on your bot's logic. Replies use the standard Chat SDK thread and message APIs, with…