HTTP/1.1 200 OK
Date: Thu, 25 Jul 2013 07:43:25 GMT
Content-Type: application/json
Content-Length: 145
Vary: Accept-Encoding
Connection: close

{"postage_result":{"service":"Air Mail","delivery_time":"3-10 work days","total_cost":"1.70","costs":{"cost":{"cost":"1.70","item":"Air Mail"}}}}