# WhatsApp

Connect a client's WhatsApp number via WaSender so its AI assistant handles messages

> Full REST + WebSocket API reference: https://api.happ.tools/reference

Connecting WhatsApp lets your client's AI assistant answer customer messages on their WhatsApp number — Happ relays through the **WaSender** platform.

<ChannelDetailDemo channel="whatsapp" />

## Connect [#connect]

1. Create a [WaSender](https://wasender.io) account and link the client's WhatsApp number to it.
2. **Integrations** > **Add Integration** > &#x2A;*WhatsApp (WaSender)**.
3. Enter the WaSender API credentials.
4. Assign an AI assistant and activate.

## Fields [#fields]

| Field                | Value                                           |
| -------------------- | ----------------------------------------------- |
| WaSender credentials | API key/credentials from the WaSender dashboard |
| WhatsApp number      | Dedicated number connected in WaSender          |

Images arrive as `[User sent a photo]` in AI context; voice is supported. No group chats through the integration, and WhatsApp messaging rate limits apply.

**API:** [api.happ.tools/reference](https://api.happ.tools/reference)

## Next [#next]

* [Channels](/docs/channels) — all messengers
* [Assistants](/docs/assistants) — configure who answers
* [AI control](/docs/ai-control) — toggling AI per conversation