Surf - Timer has built-in support for credit card payments:

A magnetic card reader can be attached to the kiosk to allow for credit card   payments. When a user swipes or inserts a credit card, a purchase form is displayed from which a number of minutes and pages for printing (if a printer is available) can be selected.

• Option to specify a minimum amount for credit card payments. This minimum can also be displayed on the main menu.
• Option to specify which credit cards are accepted.
• Option to build a list of credit cards number which should be rejected. This list will be used by all your kiosks. This list is not used by real-time credit card processing is used.

• Option to print a receipt for each payment.
• Option to have an e-mailed receipt sent to the user for each payment (and/or to the kiosk owner).
• Option to customize the receipt with your own graphic and text (using a RTF file as a header).
• Real-time credit card authorization and processing available. Gateway services, coming soon.