IntroductionGetting StartedCLI

Usage

Creating a Chat InstanceThreads, Messages, and ChannelsHandling EventsPosting MessagesError HandlingTesting

AI

OverviewAI SDK ToolstoAiMessagesTypes

Adapters

OverviewPlatform AdaptersSlack Low-Level APIsTeams Low-Level APIsState Adapters

Messaging

StreamingDirect MessagesEphemeral MessagesFile UploadsConversation HistoryMessage SubjectOverlapping Messages

Interactivity

CardsModalsActionsSlash CommandsEmoji

API Reference

OverviewChatThreadChannelMessagePostableMessageTranscriptsCardsMarkdownModals

Contributing

Building a community adapterTesting adaptersDocumenting your adapterPublishing your adapter

Adapters

Browse official Chat SDK platform and state adapters, plus community and vendor-built integrations. Connect your bot to Slack, Teams, Discord, and more.

Official

Published under @chat-adapter/* and maintained by Vercel.

Slack
Beta
Build bots for Slack workspaces with full support for threads, reactions, and interactive messages.
@chat-adapter/slack
Microsoft Teams
Beta
Deploy bots to Microsoft Teams with adaptive cards, mentions, and conversation threading.
@chat-adapter/teams
Google Chat
Beta
Integrate with Google Chat spaces for team collaboration and automated workflows.
@chat-adapter/gchat
Discord
Beta
Create Discord bots with slash commands, threads, and rich embeds.
@chat-adapter/discord
GitHub
Beta
Build bots that respond to pull request and issue comment threads.
@chat-adapter/github
Linear
Beta
Automate Linear issue comment threads with bot responses and workflows.
@chat-adapter/linear
Telegram
Beta
Connect to Telegram with support for groups, channels, and inline keyboards.
@chat-adapter/telegram
WhatsApp Business Cloud
Beta
Connect to WhatsApp Business Cloud for customer messaging and automated conversations.
@chat-adapter/whatsapp
Twilio
Beta
Build SMS and MMS bots with Twilio Messaging webhooks and the Messages API.
@chat-adapter/twilio
Messenger
Beta
Build bots for Facebook Messenger with support for templates, buttons, reactions, and postbacks.
@chat-adapter/messenger
Web
Beta
Serve a browser chat UI from the same bot using the AI SDK useChat protocol — works out of the box with @ai-sdk/react and ai-elements.
@chat-adapter/web

Vendor Official

Built and maintained by the platform vendor.

Liveblocks
Vendor official
Liveblocks Comments adapter for building conversational bots on top of Liveblocks rooms, threads, and comments.
@liveblocks/chat-sdk-adapter
Resend
Vendor official
Bidirectional email adapter for Chat SDK with threading, rich HTML emails, and attachment support via Resend.
@resend/chat-sdk-adapter
Sendblue
Vendor official
iMessage, SMS, and RCS adapter for Chat SDK, built and maintained by Sendblue.
chat-adapter-sendblue
Zernio
Vendor official
Unified social media DM adapter covering Instagram, Facebook, Telegram, WhatsApp, X/Twitter, Bluesky, and Reddit through a single integration.
@zernio/chat-sdk-adapter
Beeper Matrix
Vendor official
Matrix adapter for Chat SDK, built and maintained by Beeper.
@beeper/chat-adapter-matrix
AgentPhone
Vendor official
Unified SMS, MMS, iMessage, and voice adapter for Chat SDK with HMAC-verified webhooks, iMessage reactions, and voice call transcripts via AgentPhone.
@agentphone/chat-sdk-adapter
Lark / Feishu
Vendor official
Lark / Feishu adapter for Chat SDK with native cardkit streaming, interactive cards, and reactions.
@larksuite/vercel-chat-adapter
Velt
Vendor official
Velt Comments adapter for building bots that read and respond in Velt comment threads on documents, text editors, and canvases.
@veltdev/chat-sdk-adapter
Kapso
Vendor official
Kapso-first WhatsApp adapter for Chat SDK with signed Kapso webhooks, WhatsApp replies, buttons, media, reactions, and conversation history.
@kapso/chat-adapter
Build your own adapter

Community

Built by third-party developers.

QQ Bot
Community QQ Bot adapter for Chat SDK with OpenAPI v2 webhooks, Gateway WebSocket events, c2c messaging, buttons, rich media, and live verification tooling.
@youglin/adapter-qq-bot
Webex
Community Webex adapter for Chat SDK with support for spaces, threads, and adaptive cards.
@bitbasti/chat-adapter-webex
Baileys WhatsApp
Chat SDK adapter for Baileys (Unofficial WhatsApp API).
chat-adapter-baileys
Blooio iMessage
Blooio adapter for Chat SDK to send and receive iMessage, RCS, and SMS from your bot.
chat-adapter-blooio
Zalo
Zalo adapter for Chat SDK using Zalo for building your own Zalo bots.
chat-adapter-zalo
Mattermost
Mattermost adapter for Chat SDK with support for posts, reactions, and slash commands.
chat-adapter-mattermost
Build your own adapter

State Adapters

Pluggable state adapters for thread subscriptions, distributed locking, and caching.

Official

Published under @chat-adapter/* and maintained by Vercel.

Redis
Beta
Production-ready state adapter using Redis for persistence and distributed locking.
@chat-adapter/state-redis
ioredis
Beta
Redis state adapter using ioredis with cluster and sentinel support.
@chat-adapter/state-ioredis
PostgreSQL
Beta
Production state adapter using PostgreSQL for persistence and distributed locking.
@chat-adapter/state-pg
Memory
Beta
In-memory state adapter for development and testing environments.
@chat-adapter/state-memory

Community

Built by third-party developers.

Cloudflare Durable Objects
Cloudflare Durable Objects state adapter with SQLite-backed persistence, distributed locking, and caching.
chat-state-cloudflare-do
MySQL
Community MySQL state adapter with persistence, distributed locking, caching, lists, and queues.
chat-state-mysql
Build your own adapter