# WhatsMCP

> Link a real WhatsApp number and put it to work: an MCP server for AI agents, and a two-way SIP trunk for your PBX. Personal or Business (official) numbers, a flat price per number.

## Pages

- [WhatsMCP — WhatsApp for AI Agents and Phone Systems](https://whatsmcp.com/index.md): Link a real WhatsApp number and put it to work: an MCP server for AI agents, and a two-way SIP trunk for your PBX. Personal or Business (official) numbers, a flat price per number.
- [Anti-Block Safeguards: Rate Limiting & Egress IP Rotation — WhatsMCP Blog](https://whatsmcp.com/blog/anti-block-safeguards.md): An inside look at our proxy layer, fingerprint emulation, and distributed egress management designed to mimic official client traffic profiles.
- [Bridging WhatsApp and PBX: Low-Latency SIP Trunking Internals — WhatsMCP Blog](https://whatsmcp.com/blog/bridging-whatsapp-and-pbx.md): How we handle real-time WebRTC opus streams and transcode them natively for Asterisk and FreeSWITCH environments without dropping packets.
- [WhatsApp + AI Agents: Guides & Engineering — WhatsMCP](https://whatsmcp.com/blog.md): Guides to connect WhatsApp to Claude, ChatGPT, Cursor and Grok, the Business API and SIP/PBX, plus engineering deep dives from the WhatsMCP team.
- [PJSIP Configuration & Codec Transcoding Secrets — WhatsMCP Blog](https://whatsmcp.com/blog/pjsip-configuration-and-codec-transcoding.md): Optimizing pjsip.conf parameters for flawless G.711u to Opus conversion under high-throughput concurrent call loads.
- [Scaling AI Agent Fleets with Model Context Protocol — WhatsMCP Blog](https://whatsmcp.com/blog/scaling-ai-agent-fleets-with-mcp.md): An architectural walkthrough on exposing WhatsApp thread history and tools natively to Claude and custom agent runtimes securely.
- [Contact WhatsMCP — Sales, SIP Trunks & Partnerships](https://whatsmcp.com/contact.md): Talk to the WhatsMCP engineering and sales teams about MCP infrastructure, SIP trunking and partnerships. Or email hello@whatsmcp.com directly.
- [WhatsMCP documentation](https://whatsmcp.com/docs.md): Documentation for WhatsMCP: the MCP server for AI agents and the REST API for scripts and backends.
- [WhatsMCP MCP server — documentation](https://whatsmcp.com/docs/mcp.md): Connect an MCP client to a WhatsApp number, Personal or Business (official) — endpoint, OAuth or API key, pairing, all 46 tools, cursor-based polling, webhooks, refusals and the security model.
- [WhatsMCP REST API — documentation](https://whatsmcp.com/docs/rest.md): Call a real WhatsApp account over plain HTTP — base URL, API-key auth, endpoints for accounts, messages, sending, chats and contacts, cursor polling, errors, and the OpenAPI 3.1 reference.
- [WhatsMCP SIP trunk — documentation](https://whatsmcp.com/docs/sip.md): Take WhatsApp calls on your PBX or a hosted SIP line and dial WhatsApp numbers as your own — setup, call direction, codecs, egress, and connecting an ElevenLabs AI voice agent.
- [WhatsMCP — Data Processing Agreement](https://whatsmcp.com/dpa.md): How WhatsMCP processes personal data on your behalf when you link a WhatsApp number: roles, security, sub-processors, transfers, and deletion.
- [WhatsMCP — MCP Server for Real WhatsApp Numbers](https://whatsmcp.com/mcp.md): A hosted Model Context Protocol server that gives your AI agent a WhatsApp number, Personal or Business (official): messages, media, templates, contacts, groups and webhooks.
- [WhatsApp Number Check — Bulk Registration and Reputation | WhatsMCP](https://whatsmcp.com/number-check.md): Check which numbers on your list are registered on WhatsApp, with a reputation score and per-country totals. Bulk jobs delivered as CSV, JSON or webhook.
- [WhatsMCP Plans — Flat Monthly Pricing per WhatsApp Number](https://whatsmcp.com/plans.md): Flat monthly pricing per connected WhatsApp number, each on its own plan: message windows, webhooks, egress and history per tier, for Personal and Business (official) numbers. No per-message markup from us.
- [WhatsMCP — Privacy Policy](https://whatsmcp.com/privacy.md): What the WhatsMCP product collects and stores, and what this marketing site's cookies do.
- [Two-Way WhatsApp SIP Trunk for Asterisk & Any PBX — WhatsMCP](https://whatsmcp.com/sip.md): Two-way WhatsApp calling on your PBX or a hosted SIP line: take WhatsApp calls on SIP and call out as your own number. TLS, SRTP, no per-minute fees.
- [WhatsMCP — Terms of Service](https://whatsmcp.com/terms.md): The terms that apply to creating a WhatsMCP account and connecting a WhatsApp number to it.
- [WhatsApp Business API MCP Server for AI Agents | WhatsMCP](https://whatsmcp.com/whatsapp-business-api.md): Official WhatsApp Cloud API number for Claude, ChatGPT & AI agents via MCP or REST. Templates, media, webhooks. From $29/mo, 7-day free trial, no Meta markup.
- [Connect WhatsApp to Meta Muse — WhatsMCP Blog](https://whatsmcp.com/blog/connect-whatsapp-to-meta-muse.md): Add WhatsMCP as a custom connector in Meta Muse and let your agent send and read WhatsApp for you.
- [Call Customers on WhatsApp from Your Business Number — WhatsMCP Blog](https://whatsmcp.com/blog/call-customers-whatsapp-business-number.md): Call customers on WhatsApp from your Business number: turn on Calls out, get each customer's permission, and call from Pipedrive. Meta's rules and costs.
- [Connect WhatsApp to Pipedrive: Setup Guide — WhatsMCP Blog](https://whatsmcp.com/blog/connect-whatsapp-to-pipedrive.md): Connect WhatsApp to Pipedrive with WhatsMCP: log every chat on the person and send from the WhatsApp panel. Personal (QR) and Business API numbers.
- [Connect WhatsApp Business API to ChatGPT — WhatsMCP Blog](https://whatsmcp.com/blog/connect-whatsapp-business-api-to-chatgpt.md): Connect your official WhatsApp Business API number to ChatGPT with WhatsMCP: Embedded Signup, Developer mode, templates and the 24-hour window.
- [Connect WhatsApp Business API to Claude — WhatsMCP Blog](https://whatsmcp.com/blog/connect-whatsapp-business-api-to-claude.md): Put your official WhatsApp Business API number in Claude: Embedded Signup, one MCP URL, templates and Meta's 24-hour window handled for you.
- [Connect WhatsApp to Claude: Setup Guide — WhatsMCP Blog](https://whatsmcp.com/blog/connect-whatsmcp-to-claude.md): Connect WhatsApp to Claude Code, Claude Desktop and claude.ai with WhatsMCP: one MCP URL, OAuth sign-in, 46 tools. Setup, prompts and FAQ.
- [Connect Asterisk to WhatsApp with a QR Code — WhatsMCP Blog](https://whatsmcp.com/blog/connect-asterisk-to-whatsapp-qr.md): Step-by-step: link WhatsApp by QR code, then connect Asterisk PJSIP so WhatsApp calls ring your phones and your users dial WhatsApp numbers.
- [Connect WhatsApp to ChatGPT: Setup Guide — WhatsMCP Blog](https://whatsmcp.com/blog/connect-whatsmcp-to-chatgpt.md): Connect WhatsApp to ChatGPT with WhatsMCP: turn on Developer mode, add one MCP URL, sign in with OAuth. Read, reply and manage groups from ChatGPT.
- [Connect WhatsApp to Grok: Setup Guide — WhatsMCP Blog](https://whatsmcp.com/blog/connect-whatsmcp-to-grok.md): Connect WhatsApp to Grok with WhatsMCP: a custom connector on grok.com, or the xAI API's remote MCP tool. Setup, code samples, prompts and FAQ.
- [WhatsApp Message Templates Meta Approves — WhatsMCP Blog](https://whatsmcp.com/blog/whatsapp-message-templates-meta-approves.md): How WhatsApp Business API templates work: categories, variables, limits, common rejection reasons, 10 examples, and sending them from an AI agent.
- [Personal WhatsApp vs WhatsApp Business API — WhatsMCP Blog](https://whatsmcp.com/blog/personal-whatsapp-vs-whatsapp-business-api.md): Personal WhatsApp or the WhatsApp Business API for your AI agent? Features, rules, costs and setup compared, with a simple way to choose.
- [How to Connect Codex to WhatsApp via MCP — WhatsMCP Blog](https://whatsmcp.com/blog/connect-whatsmcp-to-codex.md): Connect OpenAI Codex to WhatsApp over MCP: one codex mcp add command with OAuth or an API key, read-only access, approvals, prompts and fixes.
- [Connect WhatsApp to Cursor via MCP — WhatsMCP Blog](https://whatsmcp.com/blog/connect-whatsmcp-to-cursor.md): Connect WhatsApp to Cursor's agent with WhatsMCP: add one entry to mcp.json, sign in with OAuth or an env-var API key, and build against a real number.
- [Sync WhatsApp with HubSpot and Pipedrive — WhatsMCP Blog](https://whatsmcp.com/blog/sync-whatsapp-with-crm-hubspot-pipedrive.md): Sync WhatsApp with HubSpot or Pipedrive using WhatsMCP webhooks and the REST API: log every message on the contact and send templates from the CRM.
- [Designing MCP Servers Agents Actually Use — WhatsMCP Blog](https://whatsmcp.com/blog/designing-mcp-servers-agents-actually-use.md): A builder's field guide to Model Context Protocol servers in 2026: shaping tools as an agent UI, escaping the context tax with code execution, defending against tool poisoning, and living with the new stateless spec.
- [Rebuilding MLow: WhatsApp's Voice Codec in Pure Go — WhatsMCP Blog](https://whatsmcp.com/blog/mlow-codec-pure-go.md): How we built a clean-room, pure-Go encoder and decoder for MLow — Meta's low-bitrate codec behind billions of WhatsApp, Messenger and Instagram calls: the hybrid SILK/CELT structure, reverse-engineering it against the live library, and frame-exact validation.
- [Set Up WhatsMCP Webhooks for Real-Time WhatsApp — WhatsMCP Blog](https://whatsmcp.com/blog/whatsmcp-webhooks-setup.md): Push every inbound WhatsApp message to your own HTTPS endpoint the instant it arrives — how to register a WhatsMCP webhook, verify the signature, build a receiver that never loses a message, and three things to build on inbound events.
- [Per-Account Egress: SOCKS5 & WireGuard for WhatsApp — WhatsMCP Blog](https://whatsmcp.com/blog/whatsapp-egress-socks5-wireguard.md): Why every WhatsApp number should have its own exit IP, and how to set per-account egress in WhatsMCP — Direct, WireGuard or SOCKS5 — with screenshots and operating tips for keeping a fleet of numbers healthy.