gsma.php

<?php

		  
	      $url              =  'https://devicecheck.gsma.com/imeirtl/detailedblwithmodelinfo';

		  //INITIATE cURL
      	  $ch               =  curl_init($url);

          //CREATE PAYLOAD
          $payload    = array(
              'imeinumber'    =>  "455121154565151,
              'username'      =>  $username,
              'apikey'        =>  $apikey); // this is not password

          // SET CURL URL
          curl_setopt($ch, CURLOPT_HEADER, 0);
          curl_setopt($ch, CURLOPT_RETURNTRANSFER, 0);

          //DESIGNATE AS A POST REQUEST
          curl_setopt($ch, CURLOPT_POST, 1);
          curl_setopt($ch, CURLOPT_RETURNTRANSFER , 1);

          //ATTACH ENCODED JSON STRING TO POST
          curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($payload));

          // Timeouts
          curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 3);
          curl_setopt($ch, CURLOPT_TIMEOUT, 3);

          //EXECUTE REQUEST
          $rawResponse = curl_exec($ch);