Patent ID: 7539860

Claim:
A method for facilitating a single access to an access provider for a user, the method comprising: identifying at least one primary account for the user; processing, by a card payment system provider, a plurality of financial transactions using said at least one primary account; determining, by the card payment system provider, that the user is a potential customer for an access provider based at least in part on user information not available to the access provider, wherein the user information not available to the access provider is derived, at least in part, from the plurality of financial transactions; generating a single use user identification that allows the user to gain access to the access provider, wherein the access is associated with a free trail; associating said single use user identification with said at least one primary account for the user; issuing said single use user identification to the user; receiving, by the card payment system provider, a request for authentication of said single use user identification from said access provider, the request not being related to a transfer of funds; determining a primary account number corresponding to said single use user identification; and returning an approval message to said access provider if an account associated with said primary account number is valid, wherein, based at least in part on the approval message, the user is granted access to the free trial provided by the access provider without the access provider receiving confidential user information from the user or the card payment provider system.