WhatsMCP

npx add-mcp 'https://api.whatsmcp.com/mcp'

Documentation

Build on a real WhatsApp account

One workspace, three ways in. All use the same accounts, the same plan and the same API keys — pick the one that fits the caller.

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MCP server

https://api.whatsmcp.com/mcp

For AI agents: Claude, ChatGPT, Cursor and any client that speaks MCP. Sign in with OAuth or use an API key; all 45 tools — messages, templates, contacts, groups, channels, calls and webhooks, for Personal and Business (official) numbers.

Read the MCP server docs →

](https://whatsmcp.com/docs/mcp)[

REST API

https://api.whatsmcp.com/v1

For scripts, backends and CRMs: plain HTTP and JSON with an API key, an OpenAPI 3.1 spec and an interactive reference. Starts with accounts and messages; more endpoints are on the way.

Read the REST API docs →

](https://whatsmcp.com/docs/rest)[

SIP trunk

sip.whatsmcp.com

For phone systems: take WhatsApp calls on your PBX or a hosted SIP line and dial WhatsApp numbers as your own. Two-way calling, G.722 or G.711, flat monthly per number — no per-minute fees.

Read the SIP trunk docs →

](https://whatsmcp.com/docs/sip)