curl_get_request.php

<?php 

$resCurl = curl_init();
 
//set URL and other appropriate options
curl_setopt($resCurl, CURLOPT_URL, "https://partnerapi.biotrustapps.com/v1/contactcheck?email=pmedia.victor@yahoo.com");
curl_setopt($resCurl, CURLOPT_HTTPHEADER, array('x-api-key: VuLdqJDU2z6KgtmarX2QK7VMQVfUI5vt20NA3EwB')); //setting custom header
curl_setopt($resCurl, CURLOPT_HEADER, true);
curl_setopt($resCurl, CURLOPT_NOBODY, true);
curl_setopt($resCurl, CURLOPT_RETURNTRANSFER, true);
curl_setopt($resCurl, CURLOPT_FOLLOWLOCATION, true);
 
//get the headers
$strHeaders = curl_exec($resCurl);

//close cURL
curl_close($resCurl);
 
echo $strHeaders;