Delivery reports are delivered to the webhooks configured for your Conversation API app. These reports act as instant notifications for successful or failed delivery statuses. Refer to the Message support documentation for the WhatsApp channel of the Conversation API for more specific details about how these delivery reports work with the WhatsApp channel.
For more general information about the Conversation API, refer to the Conversation API callbacks section of Sinch Developer Documentation.
Learn more about the Sinch WhatsApp Business API.