Notifications / Types / SMS Failed

Server

POST

SMSFailed

Sent when an SMS message could not be delivered to an end-user’s eSIM. This can be used to detect delivery failures for SMS sent via the Send SMS API and, where appropriate, trigger a retry or an alternative notification channel.

Note: msisdn is only included in the domestic environment.

Request Body ^required

object

iccid

required

Unique eSIM Identifier

string

894123456789123456

msisdn

The phone number. Only included in the domestic environment.

string

4471234131234

alertType

required

string

Allowed values: SMSFailed

timestamp

required

Timestamp of the event

string

2026-07-21T13:50:21.136Z

Examples

{
  "iccid": "894123456789123456",
  "msisdn": "4471234131234",
  "alertType": "SMSFailed",
  "timestamp": "2026-07-21T13:50:21.136Z"
}

Responses

None

No response body