HTTP/1.1 401 Unauthorized
Server: nginx 
Date: Mon, 03 Aug 2015 16:57:18 GMT 
Content-Type: application/json 
Content-Length: 189 
Connection: keep-alive
Access-Control-Allow-Credentials: true
Access-Control-Allow-Headers: Content-Type, Authorization, X-Requested-With, X-HTTP-Method-Override
Access-Control-Allow-Methods: GET,PUT,POST,DELETE
Access-Control-Allow-Origin: *
Charset: utf-8
X-Powered-By: Express
X-Response-Time: 8ms
X-Iinfo: 4-14108303-14107016 PNNN RT(1438621037177 53) q(0 0 0 -1) r(1 1) U11
X-CDN: Incapsula

{
  "errors": [
    {
      "type": "action_forbidden",
      "parameter_name": null,
      "message": "api_key inválida"
    }
  ],
  "url": "/transactions/card_hash_key?api_key=ak_test_R2j5LAIqqxBZWLfy9yU03dSJbqY6G",
  "method": "get"
}