watsi documentation

Guides, API, webhooks and MCP server for the AI agent that answers, qualifies and books your leads on WhatsApp.

All of watsi, in one place

Learn the product, connect your systems through the API, or let an AI agent operate your workspace over MCP.

The WhatsApp AI agent and CRM: key concepts and use cases.

Use the WhatsApp Business app and the AI agent on the same number.

What a conversation is and how many each plan includes.

Create an API key and make your first call in minutes.

Receive message, contact and appointment events on your server.

Connect Claude, ChatGPT or Cursor to your workspace.

API keys, scopes and security best practices.

What changed lately in the platform and the API.

Walk large lists of conversations and contacts.

Error codes, rate limits and retries.

Integrate appointment scheduling over WhatsApp.

The full API contract in one file.