email.bounced
Webhook event triggered when an email permanently fails delivery.
{
"id": "whev_01h…",
"type": "email.bounced",
"created_at": "2026-07-22T12:00:00.000Z",
"data": {
"email_id": "em_123456789",
"from": "sender@example.com",
"to": ["bad@example.com"],
"subject": "Hello World",
"status": "bounced",
"error": {
"code": 550,
"message": "User unknown"
}
}
}The email.bounced event is triggered when delivery permanently fails (hard bounce, admin bounce, or OOB).
Event Details
All webhook payloads follow a consistent top-level structure with event-specific data nested within the data object.
type string
The event type that triggered the webhook (email.bounced).
created_at string
ISO 8601 timestamp when the webhook event was created.
data object
Includes standard email fields plus error with SMTP details when available.
Handling this event
When your endpoint receives an email.bounced event, you might want to:
- Suppress the recipient from future sends.
- Notify the sender or update CRM status.
Learn More
Was this page helpful?
- Need help? Contact Support.
- Chat with Reloop developers on Discord.
- Check out our changelog.
- Questions? Contact Sales.
- LLM? Read llms.txt.