---
title: WhatsApp | API Docs
description: Send and receive WhatsApp messages through Linq.
---

Send and receive WhatsApp messages through a single API. Linq handles delivery, retries, templates, the customer window, per-chat event history, and webhooks.

Building with an AI agent?

Feed these docs straight to your LLM or coding agent: [`llms-full.txt`](https://docs.linqapp.com/channel/whatsapp/llms-full.txt) is the complete WhatsApp documentation in one file, and [`llms.txt`](https://docs.linqapp.com/channel/whatsapp/llms.txt) is a concise index. Both cover this channel only — iMessage and Apple Messages publish their own.

[Connect WhatsApp ](/channel/whatsapp/getting-started/connect-whatsapp/index.md)Complete Embedded Signup, number verification, and registration.

[Quickstart ](/channel/whatsapp/getting-started/quickstart/index.md)Go from an API key to an accepted message and its final outcome.

[API reference ](/channel/whatsapp/api/index.md)All operations and wire shapes from the published OpenAPI contract.

[Sending messages ](/channel/whatsapp/guides/messaging/sending-messages/index.md)Destination-first and chat-first sends, parts, templates, and idempotency.

[Events and recovery ](/channel/whatsapp/guides/events/index.md)Consume live signals without losing the durable source of truth.