Abstract: During the performance of an electronic payment transaction over a networked (web-based) e-commerce website an interface implementation that inserts into one or more web pages of the site providing an override within a payment process that allows a user to securely enter sensitive or confidential data necessary for the performance of the transaction and from which a transaction specific, single-use payment token is generated and then used in completing the payment transaction. The interface providing protection to the sensitive data and generated token from unwanted and unnecessary network access by a communicatively linked device and promoting a consumer experience that seamlessly integrates the date entry, protection and tokenization of sensitive data with the hosted webpages of the e-commerce website.