PHP GET
<?php
$key = "ewjd824g"; //Account key. Get it from account settings
$secret = "wwe89rh3qb083r7h30b0d0u8rh033jf39h8r0f3"; //Account secret. Get it from account settings
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, "https://api.smsjuice.com/balance/{$key}/{$secret}");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
curl_setopt($ch, CURLOPT_HEADER, FALSE);
$response = curl_exec($ch);
curl_close($ch);
var_dump($response);
PHP SDK
<?php
/**
* Check Account Balance
*/
$balance = TextMessagingService::getBalance($key,$secret);
?>