Abstract: A computer system for receiving an issuer's authorization for a purchase, wherein a sale amount for the purchase includes at least one interchange fee comprises a computer. The computer is configured to receive an electronic request to authorize a credit card transaction initiated by the merchant for a purchase, the authorization request including a sale amount for the purchase, determine an estimated interchange fee, compute a surcharged sale amount by adding the estimated interchange fee to the sale amount for the purchase, send a revised authorization request to the issuing bank, wherein the revised authorization request specifies the surcharged sale amount in place of the sale amount, receive an authorization response from the issuing bank indicating authorization for the purchase at the surcharged sale amount, and send the authorization response to the merchant.

Abstract: According to an exemplary embodiment of the invention, a method is discloses for facilitating a credit card transaction wirelessly via a mobile device. The method includes receiving registration information for a credit card and a mobile device, the registration information for the credit card including a primary account number (PAN) of the credit card; associating the registration information for the credit card with a unique token; generating a pseudo-PAN based on the PAN, the pseudo-PAN being different than the PAN; and providing the unique token and the pseudo-PAN to the mobile device for use in one or more credit card transactions.