HTTP/1.1 402 Payment Required
Content-Type: application/json; charset=utf-8
X-Ua-Compatible: IE=Edge
Cache-Control: no-cache
X-Request-Id: 2d444b6f410907d8df24e45cd374e9b9
X-Runtime: 0.005541
Server: WEBrick/1.3.1 (Ruby/1.9.3/2013-02-22)
Date: Sun, 08 Sep 2013 09:00:11 GMT
Content-Length: 96
Connection: Keep-Alive

{
  "error": {
    "type": "card_error",
    "message": "Your card number is incorrect",
    "c
