How to consume a json Rest API with PHP using Httpful

app.php

<?php

require __DIR__ . '/vendor/autoload.php';

$url = "https://api.github.com/repos/twilio/twilio-php/contributors";
$response = \Httpful\Request::get($url)->expectsJson()->send();

print_r($response->body);

composer.json

{
   "require": {
      "nategood/httpful": "0.2.20"
   }
}