%C Milwaukee, Wisconsin %A Fang Peng %X Stony Brook University Libraries E-Payment application is a developing project integrated with both UPay and Payflow. The goal of this project is to allow users to pay for library fines/fees over the internet and when payment is done, the system will be updated in real time. There will be a demonstration on how the application works, and a discussion of the online payment processing application architecture including the front-end user interface using the Web OPAC. %L eluna651 %D 2011 %T E-Payment application using UPay/Payflow for library fees