Mastercard Incorporated
Method and system for authorizing and processing payment transactions over a network

Abstract:

A method for authorizing and processing payment transactions over a network, the method comprising the steps of initiating, responsive to a user payment request to process a payment for a purchase on a merchants web site, a user interface, establishing a secure communication channel between the interface and an account server, the account server having stored a profile of an registered user, submitting, by the user interface, purchase information of the purchase order to the account server, requesting, by the account server through the user interface, authentication of the user, linking, at the account server, purchase information to the user profile, requesting, through the user interface, purchase confirmation by the user, requesting, by the user interface, a checkout reference for the confirmed purchase order from the account server, submitting, at least part of the purchase information and the checkout reference to a payment service provider to process the transaction.