<?php
$auth_token = 'your_auth_token';

$url= 'calling_url';

$ch = curl_init();
curl_setopt_array($ch, array(
    CURLOPT_URL => $url,
    CURLOPT_RETURNTRANSFER => true
));
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
$output = curl_exec($ch);
if(curl_errno($ch))
    echo 'error:' . curl_error($ch);
curl_close($ch);
?>