> ## Documentation Index
> Fetch the complete documentation index at: https://docs.annature.com.au/llms.txt
> Use this file to discover all available pages before exploring further.

# Recipient failed

Triggered when an email or SMS delivery attempt to a recipient fails.

The payload includes a `diagnosis` field that contains the raw delivery error returned by the recipient’s mail server or telco provider.

You may respond to this event by:

* Using the [Resend email](/api-reference/recipients/resend-email) or [Resend sms](/api-reference/recipients/resend-sms) endpoints
* Updating the recipient’s contact details via the [Update a recipient](/api-reference/recipients/update-recipient) endpoint

<ResponseExample>
  ```json theme={null}
  {
    "event": "recipient_failed",
    "recipient_id": "255e591c2c9fe1bc99be1ec03075b402",
    "envelope_id": "7e8f68e4c6df9395cd7ff48d69d7e2c1",
    "failed": "2019-12-17T05:30:00Z",
    "method": "email",
    "diagnosis": ""
  }
  ```
</ResponseExample>