<?php$apikey='myKey';$apisecret='mySecret';$nonce=time();$uri='https://bittrex.com/api/v1.1/market/getbalances?apikey='.$apikey.'&nonce='.$nonce;$sign=hash_hmac('sha512',$uri,$apisecret);$ch = curl_init($uri);curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);curl_setopt($ch, CURLOPT_HTTPHEADER, array('apisign:'.$sign));$execResult = curl_exec($ch);$obj = json_decode($execResult);?>