On-Premises API

On-Premises API was officially sunset on October 23, 2025 and is no longer available. Please use Cloud API instead.

Webhooks for the On-Premises API

Subscribe to Webhooks to get notifications about messages your business receives and customer profile updates. See Overview, Webhooks for more information on WhatsApp Business Platform webhooks.

Webhooks set up will not affect the phone number on your WhatsApp Business App. Only after you migrate your number over to the WhatsApp Business Platform can you no longer use that number on your WhatsApp Business App.

Before You Start

You will need:

  • Code that supports HTTPS and has a valid SSL certificate
  • A callback URL endpoint that is configured to accept inbound requests from the Coreapp
  • A callback URL endpoint that returns an HTTPS 200 OK response when a notification is received

Retry

If a notification isn't delivered for any reason or if the webhook request returns a HTTP status code other than 200, we retry delivery. We continue retrying delivery with increasing delays up to a certain timeout (typically 24 hours, though this may vary), or until the delivery succeeds.

Set Your Callback URL Endpoint

Send a PATCH request to the the /v1/settings/application endpoint with the webhooks parameter set to your callback URL endpoint. Other commonly configured parameters are sent_status and callback_persist.

Example Request

PATCH /v1/settings/application
{
    "callback_persist": true,
    "sent_status": true,  // Either use this or webhooks.message.sent, but webhooks.message.sent property is preferred as sent_status will be deprecated soon
    "webhooks": { 
    	"url": "webhook.your-domain", 
        "message": {     // Available on v2.41.2 and above
        	"sent": false,
        	"delivered": true,
        	"read": false
       },
    }
}

On success, the response contains 200 OK with a null or a JSON object.

Visit the Application Settings Reference for more information about configuring your app, and additional webhooks parameters.

Webhook Notification Payload

Whenever a trigger event occurs, the WhatsApp Business Platform sees the event and sends a notification to a Webhook URL you have previously specified. You can get two types of notifications:

  • Received messages: This alert lets you know when you have received a message. These can also be called "inbound notifications" throughout the documentation.
  • Message status and pricing notifications: This alert lets you know when the status of a message has changed —for example, the message has been read or delivered. These can also be called "outbound notifications" throughout the documentation.

See Components for information on each field.

Error Notification

{
    "errors": [ {
       "code": <error-code>,
       "title": "<error-title>",
       "details": "<error-description>",
       "href": "location for error detail"
    },
    {
       ...
    }
    ]
 }

Sample App Endpoints

To test your Webhoooks, you can create a sample app with an endpoint for receiving notifications.