# Wati — MCP server on mcp.ai
> Connect your Wati account and use 5 tools for marketing automation straight from your AI agent. Connect with your own API key. Wati is a WhatsApp Business API platform that automates marketing, sales, service, and support.

By: mcp.ai · official
Page: https://mcp.ai/wati

## Connect (MCP protocol)
Remote MCP endpoint (HTTP, streamable): https://api.mcp.ai/p_wati?ms=1787293560000
Add it as a custom/remote MCP connector, then authenticate when prompted.

## REST API (no MCP client required)
Every tool is also a REST endpoint, authed with a workspace API key.
Discover: GET https://api.mcp.ai/api/wati/_endpoints   # public; lists every endpoint
Call:     POST https://api.mcp.ai/api/wati/<endpoint>
  Authorization: Bearer sk_live_…   # create one at https://mcp.ai/settings/api-keys
  Content-Type: application/json
  Body: { …args }   →   { "ok": true, "tool": "<id>", "result": { … } }

## Developer docs
How to use (MCP or REST), markdown: https://mcp.ai/wati/skill.md
Postman collection (v2.1): https://mcp.ai/wati/postman.json

## Tools
- wati_add_contact(name?: string, customParams?: object[], whatsappNumber: string) — Tool to add a new contact in WATI. Use when registering a customer's WhatsApp number before sending messages.
- wati_get_teams() — Tool to retrieve a list of teams from WATI. Use after authenticating when you need to enumerate all available teams.
- wati_send_session_message(messageText: string, whatsappNumber: string) — Tool to send a session message to a specified WhatsApp number. Use when you need to deliver a free-form text within an active 24-hour session window.
- wati_update_chat_status(ticket_status: string, whatsapp_number: string, channel_phone_number?: string) — Update the status of a chat/conversation in WATI Team Inbox. This action allows you to change the status of a customer's chat to help manage ongoing conversations. Available statuses: - OPEN: Active, 
- wati_update_contact_attributes(customParams?: object[], whatsappNumber: string) — Tool to update attributes of an existing contact. Use after confirming the contact exists and you need to modify its custom attributes.

## Example prompts
- "What can I do in Wati?"
- "Show me a summary of my Wati account"

## Links
Docs: https://mcp.ai/docs/mcps/wati
Website: https://mcp.ai/mcps/wati