Send your first message today — you only need an API key and a connected WhatsApp number.

Prerequisites

  • Base URL: https://api.wazapin.com
  • API key (X-Api-Key)
  • Connected WhatsApp channel_id
1

Send your first text message

Save the id from the response data object for the next step.
2

Track message status

Replace {messageID} / MESSAGE_ID with the UUID from the create response.
3

Receive events (recommended)

Configure a webhook URL in the app to get inbound messages and delivery updates without polling. See Webhook payload examples.

Sending overview

Session vs template and how to pick a type.

Send messages

One guide per message type with specifications.

API reference

Every message type, with playground examples.

Authentication

Verify keys and handle 401 errors.
Use X-Api-Key on every server-side request. Tabs labeled cURL, TypeScript, and Python stay in sync when a page has more than one code group.