sms.message.failed.v1. Payload fields are the
approved minimal resource-reference set.
Required data fields
message_idstatus(failedfor this event)occurred_at
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Outbound webhook event sms.message.failed.v1.
sms.message.failed.v1. Payload fields are the
approved minimal resource-reference set.
data fieldsmessage_idstatus (failed for this event)occurred_at{
"id": "018f3c4e-7b2a-7c3d-8e9f-ffffff000003",
"type": "sms.message.failed.v1",
"created_at": "2026-10-13T09:00:08.000Z",
"business_id": "018f3c4e-7b2a-7c3d-8e9f-0123456789ab",
"api_version": "v1",
"data": {
"message_id": "018f3c4e-7b2a-7c3d-8e9f-aaaaaaaaaa01",
"status": "failed",
"occurred_at": "2026-10-13T09:00:08.000Z"
}
}