Abstract: Techniques and apparatus are described that enable electronic payment transactions over a network, such as the Internet. A technique, in a web re-direction embodiment, includes receiving a generic payment request from an electronic commerce web application, the generic payment request including at least an indication of a type of payment to be completed, preparing a payment gateway-specific web request that is supportive of the type of payment to be completed, passing the payment gateway-specific web request to the electronic commerce web application for delivery to a payment gateway for which the payment gateway-specific web request was prepared, receiving a payment gateway-specific web response from the payment gateway via the electronic commerce web application, processing the payment gateway-specific web response, and returning, to the electronic web application, a generic payment response including, at least, an Internet Protocol (IP) address of the payment gateway.