SmsCanCancel

Whether the sending of an SMS can be cancelled (POST /api/v3/sms/{sms_id}/cancellation)

sms_idintegerrequired

Id of the SMS (GET /api/v3/sms/{sms_id})

can_cancelbooleanrequired

Whether the sending can be cancelled: only while it is PROCESSING

SmsCanCancel

{
  "sms_id": 0,
  "can_cancel": true
}