HTTP/1.1 422 Unprocessable Entity
Cache-Control: no-cache
Content-Type: application/json; charset=utf-8
Date: Fri, 15 Feb 2013 15:54:18 GMT
Server: Apache/2.2.20 (Ubuntu)
Status: 422
Strict-Transport-Security: max-age=31536000
Vary: User-Agent
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X-Rack-Cache: invalidate, pass
X-Request-Id: 293436e475bfc6face410e6ed241efe9
X-Runtime: 0.161746
X-UA-Compatible: IE=Edge,chrome=1
Content-Length: 152
Connection: keep-alive

{"error": "insufficient_pin_balance","error_description": "Refund amount is more than your available Pin Payments balance."}