channel_id. Connect WhatsApp in the Wazapin app first, then list channels from the API.
Channel types
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.
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
id field (for example wzp_abc123) into your integration as channel_id.5
Continue to quickstart
Send a test message with Quickstart.
Related
- OpenAPI page GET /v1/channels in the API reference tab (same playground auth)
- Channel support matrix