Multiple SMS Sending Request URL https://{domain}/sms/rsend Request Method POST Content-Type: application/x-www-form-urlencoded Parameter Description Field Type Name Description spid string Interface account pwd string Password Important note 3 timestamp string Current Unix timestamp (seconds) Example: 1601028870 dasm string Message content (no more than 200 phone numbers per request) Format: phone number,content/phone number,content ... Note the previous instructions senderid string Optional Field enabled for partners Response { "code": 0, "msg": "Success", "data": [{ "das": "00628131565746", "msgid": "100123", "parts": 1, //Calculated number of segments "state": 0 }] } Status Code (code) Description Same as single SMS sending.