<?php
require_once('vendor/autoload.php');

$client = new \GuzzleHttp\Client();

$response = $client->request('POST', 'https://expaybrasil.com/en/request/status', [
  'form_params' => [
    'merchant_key' => '$2y$10$Y8G0Z.yKxy2NCC7xXWi3yO0vqcrSFLLBuELNZsogtX.hyE.s.l3lq',
    'token' => '1650034717'
  ],
  'headers' => [
    'accept' => 'application/json',
    'content-type' => 'application/x-www-form-urlencoded',
  ],
]);

echo $response->getBody();