If you own hosting of your site and need total control over the payment form we offer Secure Web Pay Redirect. Secure Web Pay Redirect is a fully customizable PCI compliant solution that can perform transactions as well as client and payment method operations.
· http://www.paymentsgateway.com/developerDocumentation/Integration/securewebpay/redirect.aspx(API documentation)
· http://www.paymentsgateway.com/developerDocumentation/Integration/securewebpay/redirect/redirect_errormessagesdetail.aspx (error messages)
· http://www.paymentsgateway.com/developerDocumentation/Integration/securewebpay/redirect/redirect_examples.aspx (examples)