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Integrations & developer platform

A real API, real webhooks, and Zapier for the long tail.

Ask any vendor whether the API is on every plan or gated behind the enterprise tier — the answer tells you what kind of product it is. Ours is a public REST API with scoped keys, outgoing webhooks on the events that matter, and HTTP steps for everything that does not have a connector yet.

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A real API, webhooks, and Zapier for the long tail.

A public REST API with scoped keys, outgoing webhooks for the events that matter, and Zapier plus HTTP-request steps for everything else — Slack, Notion, Airtable and the rest.

  • Public REST API with scoped keys: messages, contacts, conversations, broadcasts, segments
  • Outgoing webhooks for message, conversation and form events
  • Zapier and pre-filled connectors via HTTP request steps
  • A website chat widget you can drop on any page

Integrations & developer platform, answered.

Is the API available on every plan?

Yes. Scoped API keys, webhooks and HTTP request steps are part of the product, not an enterprise upsell.

What can the API reach?

Messages, contacts, conversations, broadcasts and segments, with scoped keys so an integration only gets what it needs.

What if there is no connector for my tool?

Zapier covers a large share of it, and an HTTP request step in an automation covers the rest — any endpoint you can call, with headers stored encrypted.

All of it, on one number.

Watx is one platform, not fifteen add-ons. 15-day free trial, no card, and you can keep the WhatsApp Business app on your number while you try it.