> For the complete documentation index, see [llms.txt](https://docs.innopaas.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.innopaas.com/api-reference/api-reference-en/whatsapp-business-api/webhook.md).

# WebHook

When there are message updates in WABA, the update events will be pushed to customers via Webhook. These include message status updates, user reply messages, WABA account review status updates, WhatsApp template status updates, sender number display name changes, and so on.