For those who is looking for J2EE PayPal Checkout solutions, we would like to offer our product - PayPal Checkout (with IPN): http://www.softwarebasic.com/ Free download: http://www.softwarebasic.com/products.html#demo PayPal Checkout --------------- Encapsulates PayPal website payment processing into a single back end component . This easy-to-use component enables J2EE developers to seamlessly integrate their own shopping cart instead of the standard PayPal shopping cart with PayPal Payment processing in minutes! PayPal Checkout IPN ------------------- Includes all PayPal Checkout features plus Instant Payment Notification (IPN) handling. This easy-to-use component enables J2EE developers to add IPN listeners to every checkout. When PalPal send back confirmation of payment, listeners will be notified. It follows Java 2 standard event model -Richard Software Basic http://www.softwarebasic.com/ -Richard