cryptsyAPI.php

<?php

function api_query($method, array $req = array()) {
        // API settings
        $key = 'd3e8438ae06158da22152323317c9b1caa31dba5'; // your API-key
        $secret = 'db95e7ddf0e6d46bcc524103c9e548aaa59483bae41d65985bc2c06b8a12d6e158d73cc681b8db68'; // your Secret-key
 
        $req['method'] = $method;
        $mt = explode(' ', microtime());
        $req['nonce'] = $mt[1];
       
        // generate the POST data string
        $post_data = http_build_query($req, '', '&');

        $sign = hash_hmac("sha512", $post_data, $secret);
 
        // generate the extra headers
        $headers = array(
                'Sign: '.$sign,
                'Key: '.$key,
        );
 
        // our curl handle (initialize if required)
        static $ch = null;
        if (is_null($ch)) {
                $ch = curl_init();
                curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
                curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/4.0 (compatible; Cryptsy API PHP client; '.php_uname('s').'; PHP/'.phpversion().')');
        }
        curl_setopt($ch, CURLOPT_URL, 'https://api.cryptsy.com/api');
        curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);
        curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
 
        // run the query
        $res = curl_exec($ch);

        if ($res === false) throw new Exception('Could not get reply: '.curl_error($ch));
        $dec = json_decode($res, true);
        if (!$dec) throw new Exception('Invalid data received, please make sure connection is working and requested API exists');
        return $dec;
}

?>