https://sms-reg.com/docs/APImethods.html
- Non-activation section methods usable now.
- getBalance and setRate methods usable now.
- VirtualSiM methods not usable now.
- Orders methods not usable now.
<?php
/* require class */
require "class.smsreg.php";
$SmsReg = new SMSREG("YOUR API KEY HERE");
$SmsReg->_debug(
$SmsReg->getBalance() // it's returning account current balance
);
?>