Step 3: Subscribe to your WABA
POST https://graph.facebook.com/{{Version}}/{{WABA-ID}}/subscribed_apps
To make sure you receive notifications for your account you need to subscribe your app to your WABA.
Response
If your request is successful, all Webhook events for the phone numbers under this account are sent to your configured Webhooks endpoint.
HEADERS
| Key | Datatype | Required | Description |
RESPONSES
status: OK
{"success":"true"}