Every send request needs a channel_id. Connect WhatsApp in the Wazapin app first, then list channels from the API.

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Channel types

PlatformUse case
whatsapp_officialWABA / Meta Cloud API
whatsapp_unofficialGateway pairing (QR connect)
See Channel support for endpoint and message-type limits per platform.
1

Open the app

Sign in at app.wazapin.com and open Channels (or WhatsApp settings) for your organization.
2

Connect WhatsApp

  • Official: complete WABA / embedded signup and register your business number.
  • Unofficial: connect the gateway instance and scan the QR code when prompted.
API helpers for unofficial channels include POST /v1/channels/{channelID}/connect and GET /v1/channels/{channelID}/qr. Official onboarding may use POST /v1/waba/register-phone and related WABA endpoints.
3

Create an API key

Create a server-side API key in the app (Settings → API keys). See Authentication.
4

List channels from the API

cURL
curl -X GET "https://api.wazapin.com/v1/channels" \
  -H "X-Api-Key: YOUR_API_KEY" \
  -H "Accept: application/json"
Copy the id field (for example wzp_abc123) into your integration as channel_id.
5

Continue to quickstart

Send a test message with Quickstart.