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List events for an SMS message

GET
/v1/sms/messages/{message_id}/events
const events = await bird.sms.listEvents("sms_abc123");
for (const event of events.data ?? []) {
  console.log(event.type, event.occurred_at);
}
Response200
{
  "data": [
    {
      "id": "evt_01krdgeqcxet5s7t44vh8rt9mg",
      "type": "sms.delivered",
      "occurred_at": "2026-05-21T12:00:04Z",
      "carrier": "Verizon",
      "mcc_mnc": "311480",
      "error": {
        "code": "invalid_destination",
        "description": "Carrier filtered as spam"
      }
    }
  ]
}

Returns the lifecycle event timeline for a message, in chronological order.

Parameters

message_idstring

ID of the SMS message (sms_ prefix), as returned when the message was accepted.

Query Parameters

typestring

Filter by event type, such as sms.delivered or sms.failed.

Response Payload

data
array of object
required

Timeline events for this SMS message, in chronological order. The bounded timeline is returned in full and is not paginated.

Show child attributes
data.id
string
required

Unique identifier for this event, stable across repeated fetches of the message.

data.type
string
required

Lifecycle event type. The sms.accepted event means the API accepted the request. The sms.sent event means the message reached the carrier. The sms.delivered event confirms delivery. The sms.undelivered, sms.failed, and sms.expired events describe delivery failures. The sms.rejected event means the message was refused before carrier handoff. This is an open enum. Accept unrecognized values.

Possible values (may grow over time): sms.accepted, sms.sent, sms.delivered, sms.undelivered, sms.failed, sms.rejected, sms.expired

data.occurred_at
string
required

When this event occurred.

data.carrier
string

Carrier that handled the message. Present on sms.sent and sms.delivered once identified, absent otherwise.

data.mcc_mnc
string

Mobile country code and mobile network code of the carrier. Present on sms.sent and sms.delivered once identified, absent otherwise.

data.error
nullable object

Failure detail. Present only on sms.failed, sms.undelivered, sms.rejected, and sms.expired events.

Show child attributes

Continue with the documentation, guides and examples for this topic.