<?php

$curl = curl_init();

curl_setopt_array($curl, array(
CURLOPT_URL => "https://hashkiller.co.uk/Cracker/API",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_POSTFIELDS => "{id:"21232f297a57a5a743894a0e4a801fc3", captcha:"03AOLTBLRT6HU-rv4zBvXIuFLVIfMABAz_7rg-Diodd59xZu5XIoBEx4lVThwSvmBAsmFosgHRsRlTbXS0NoixgI UexLoASWSTE35Dgeb-H952rptJKowQ5miEKk2PFFM29nf08XK_Sa-fs-gg7oT11rGed-QYRgDh2FLFpCLavpEVK6td92xhCFEpKIfyxO-j0Tf0D0PUJ09Y8jWSE14yajoDuuYtuLzSGwyQpSxeizPaQstxp mkrvO_tT1S8H6xwKndgIvi_r5VQrFtNw-zQFEd3yO_0HV4ZNCt1O5Ca2UoZWZIwakAYAEgooJ2GbP4dBzm6 o3rtE80K"}",
CURLOPT_HTTPHEADER => array(
"Content-Type: application/json",
"Postman-Token: e0ca8f21-fefc-4706-bfe6-f851d9cc2bd6",
"accept: application/json",
"cache-control: no-cache",
"cookie: __RequestVerificationToken=YZbYvqMEzZ_ZS4v8FEq9_u4 911MJEV02cl9qPO66Nri45Utk1qbq69nlY0LsVdU9dYq4aUBxq aINS_4DLuNZz-mIhZ5bvHwx08NsZXXLSrc1",
"origin: https://hashkiller.co.uk",
"referer: https://hashkiller.co.uk/Cracker/MD5",
"x-requested-with: XMLHttpRequest"
),
));

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
echo "cURL Error #:" . $err;
} else {
echo $response;
}