Guides & engineering notes

WhatsApp for AI agents and phone systems

Step-by-step guides to connect WhatsApp to Claude, ChatGPT, Cursor, Grok and your PBX, plus the engineering behind it: SIP bridging, the MLow voice codec, webhooks and per-number egress.

Connect WhatsApp to Pipedrive: Setup Guide
Integrations Oct 7, 2026 · 11 min read

Connect WhatsApp to Pipedrive: Setup Guide

Connect WhatsApp to Pipedrive with WhatsMCP: log every chat on the person and send from the WhatsApp panel. Personal (QR) and Business API numbers.

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Schematic diagram of Opus and G.711 waveforms converging into a transcoder node, in the Terminal Noir style.
Configuration Oct 2, 2026 · 4 min read

PJSIP Settings for a WhatsApp SIP Bridge

The pjsip.conf settings that matter for the WhatsMCP bridge: G.722/G.711 codec order, endpoint vs trunk, NAT, one call per number, and what doesn't cross.

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Connect Asterisk to WhatsApp with a QR Code
SIP Trunking Oct 1, 2026 · 11 min read

Connect Asterisk to WhatsApp with a QR Code

Step-by-step: link WhatsApp by QR code, then connect Asterisk PJSIP so WhatsApp calls ring your phones and your users dial WhatsApp numbers.

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WhatsApp Message Templates Meta Approves
Configuration Sep 25, 2026 · 8 min read

WhatsApp Message Templates Meta Approves

How WhatsApp Business API templates work: categories, variables, limits, common rejection reasons, 10 examples, and sending them from an AI agent.

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Sync WhatsApp with HubSpot and Pipedrive
Integrations Sep 14, 2026 · 11 min read

Sync WhatsApp with HubSpot and Pipedrive

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.

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Real-time WhatsApp webhooks with WhatsMCP — inbound messages pushed to your own HTTPS endpoint, signed and structured.
Integrations Sep 11, 2026 · 5 min read

Set Up WhatsMCP Webhooks for Real-Time WhatsApp

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.

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Per-account egress in WhatsMCP — give every WhatsApp number its own exit IP via WireGuard or SOCKS5.
Infrastructure Sep 11, 2026 · 6 min read

Per-Account Egress: SOCKS5 & WireGuard for WhatsApp

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.

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Bridging WhatsApp and the PBX — a low-latency SIP trunking bridge. WhatsMCP Engineering.
SIP Trunking Sep 11, 2026 · 12 min read

Bridging WhatsApp and PBX: Low-Latency SIP Trunking Internals

A deep technical tour of the real-time transcoding bridge that connects WhatsApp calls to Asterisk and FreeSWITCH: dual-plane signaling, Opus/G.711 transcoding, jitter buffering, PLC, a sub-50 ms media path, and the war stories behind each decision.

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Schematic diagram of traffic from a column of nodes converging through a shared egress gateway, in the Terminal Noir style.
Infrastructure Sep 19, 2024 · 12 min read

Anti-Block Safeguards: Rate Limiting & Egress IP Rotation

An inside look at our proxy layer, fingerprint emulation, and distributed egress management designed to mimic official client traffic profiles.

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