GET api/CustomPricing?ProcessingString={ProcessingString}&WebProductId={WebProductId}&Quantity={Quantity}&Price={Price}&ContactId={ContactId}&ShipToAddress1={ShipToAddress1}&ShipToAddress2={ShipToAddress2}&ShipToAddress3={ShipToAddress3}&ShipToCity={ShipToCity}&ShipToState={ShipToState}&ShipToZip={ShipToZip}&ShipToCountry={ShipToCountry}&AccountId={AccountId}