This is a program that allows webmasters to include their ASP.NET applications with credit card validating system. This will be helpful for them to stop sending false details to the payment gateway. This C# based program first verifies the customers credit card information and send to the payment gateways. It does its process with the help of Lunh?s MD ten algorithm. This program can be used for Cart Blanche, Discover, American express, Diners club, Visa, Mastercard, Enroute, Delta, and JCB. This program will help webmasters in performing their credit card payment processing in a secured manner.