---
search:
  tags:
    - Webhook events
    - POST
    - Webhook
seo:
  description: >-
    The mail provider refused the message before any delivery attempt. Reference
    for the POST email.failed webhook in the AI Inbx API.
sidebar:
  label: email.failed
  badge: POST
title: email.failed
type: openapi-operation
---
The mail provider refused the message before any delivery attempt.

`POST email.failed`

**Webhook.** The API sends this request to your endpoint.