USPS Rates
 
USPS Object
(
    [server] => http://testing.shippingapis.com/ShippingAPITest.dll
    [user] => GETYOUROWN
    [pass] => 
    [service] => All
    [dest_zip] => 20008
    [orig_zip] => 10022
    [pounds] => 10
    [ounces] => 5
    [container] => Flat Rate Box
    [size] => LARGE
    [machinable] => true
    [country] => USA
)