Mail Jet sample code

mailjet_api.php

<?php
header('Content-Type: application/json');
// Generated by curl-to-PHP: http://incarnate.github.io/curl-to-php/
$ch = curl_init();

curl_setopt($ch, CURLOPT_URL, "https://api.mailjet.com/v3/REST/contactslist/1810371/managemanycontacts/100720361");
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "GET");

curl_setopt($ch, CURLOPT_USERPWD, "d27a3b3fef7b3050856084526c43fab3" . ":" . "2d0be36e46e8049c9ec5325869e4452e");

$result = curl_exec($ch);
if (curl_errno($ch)) {
    echo 'Error:' . curl_error($ch);
}
curl_close ($ch);

echo $result;