email.complained
Webhook event triggered when a recipient marks an email as spam.
{
"id": "whev_01h…",
"type": "email.complained",
"created_at": "2026-07-22T12:00:00.000Z",
"data": {
"email_id": "em_123456789",
"from": "sender@example.com",
"to": ["recipient@example.com"],
"subject": "Hello World",
"status": "spam",
"error": {
"message": "Feedback loop: spam complaint"
}
}
}The email.complained event is triggered when a feedback loop reports spam.
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.complained).
created_at string
ISO 8601 timestamp when the webhook event was created.
data object
Includes standard email fields; status is spam and error may include FBL details.
Handling this event
When your endpoint receives an email.complained event, you might want to:
- Immediately suppress the recipient.
- Review content or list hygiene.
Learn More
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