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

# Webhook Callbacks

Unauthenticated webhook receivers for third-party messaging providers. These endpoints are called by the providers themselves — not by API consumers — to report delivery status updates.
