1. Login to MSG91 and click on WhatsApp.
2. Go to the Webhook option and post the callback URL for the Inbound and/or Outbound messages.
Inbound messages- When you receive a message on the Whatsapp number, it is treated as an inbound message.
Outbound message- The Whatsapp messages sent by you via MSG91 are treated as outbound messages.
In case of multiple Whatsapp numbers, select the number from the Select Number dropdown.
You can try the webhook.site to test.
