Custom PayPal Business Solutions Bytes Interactive, has the experience and the know how to help integrate your Web Site with PayPal. We offer E-commerce integration of Instant Payment Notification (IPN), Payment Data Transfer (PDT), Website Payments Standard, Website Payments Pro (Express Checkout and Direct Payment), Encrypted Website Payments (EWP), PayPal Shopping Carts ... Custom digital download solutions with A+ Download. Immediate and Urgent PayPal Technical Support Provided Also both our two free CGI/Perl/mySQL applications, SQL QuickRegister and A+ Download, are integrated with PayPal. Visit our customers to see our work: The Music Tailor is an e-commerce site that sells Digital Music for Gymnastics using our A+ Download Pro. Medclick 24-7, a medical internet services company, uses a customized version of A+ Download to maintain and sell their digital medical illustrations via PayPal. Johnson Strings Instruments, a large e-commerce music site, has had all their e-commerce programs developed by us which includes the integration of PayPal's Express Checkout, Instant Payment Notification and Payment Data Transfer.