$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, "https://portal.myshipper.nl/api/json");
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode(array("action" => "quote")));
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
curl_setopt($ch, CURLOPT_HTTPHEADER, array(
     "Authorization: Basic " . base64_encode(API_KEY . ":" . API_SECRET)
));
$response = curl_exec($ch);
curl_close($ch);
$response = json_decode($response, true);
return $response;