Please refer to "Inbox Webhook" on "How to setup webhook URL"
Sample Payload when the status is updated.
{
"id": "43227",
"receiver": "91123456789",
"name": "webhook_test",
"username": "r*****chi",
"status": "1",
"dat": "24 Aug 2021",
"tim": "12:31",
"credits": "1",
"request_id": "6124994c8654e",
"delivery_time": "12:31",
"delivery_date": "2021-08-24",
"template_id": "new_chat_v11",
"message": null,
"schedule_date": "2021-08-24",
"schedule_time": "12:31:01",
"media1": "https://wa20.nuke.co.in/v5/assets/img/logo.png",
"media2": "BHARAT",
"media3": null,
"media4": null,
"media5": null,
"media6": null,
"media7": null,
"media8": null,
"media9": null,
"media10": null,
"media11": null
}