/secure/senders

curl -u "$SMS_LOGIN:$SMS_PASSWORD" 'https://sms.example.com/secure/senders'

{
  "data": {
    "rows": [
      {
        "id": 1,
        "value": "ACMEOTP",
        "label": "Acme one-time",
        "product": "",
        "status": "APPROVED",
        "note": "for our OTP traffic",
        "updated_at": "2026-09-03T10:23:21.514572Z"
      }
    ],
    "enforcement": "enforce"
  }
}

curl -u "$SMS_LOGIN:$SMS_PASSWORD" \
  -X POST 'https://sms.example.com/secure/senders' \
  -H 'Content-Type: application/json' \
  -d '{"sender":"ACMEOTP","label":"Acme one-time","note":"for our OTP traffic"}'

curl -u "$SMS_LOGIN:$SMS_PASSWORD" \
  -X PUT 'https://sms.example.com/secure/senders/1' \
  -H 'Content-Type: application/json' \
  -d '{"sender":"ACMEALERT","note":"moving to alerts","confirm_suspend":true}'

{ "message": "That sender ID is approved and in use. Changing its wording or its note would put it back to waiting for an operator, and it would stop being accepted until one approves it again. Send confirm_suspend if that is what you mean." }

curl -u "$SMS_LOGIN:$SMS_PASSWORD" -X DELETE 'https://sms.example.com/secure/senders/1'