CardVerifier is an ecommerce component that provides credit card authentication services for over nine types of credit cards. CardVerifier is a lightweight multi-threaded COM server component that is scalable from desktop applications to Web Servers. CardVerifier can be used in ASP and PHP scripts as well as with all languages that are COM-aware. CardVerifier includes a .Net assemby for the component. CardVerifier also includes a test program and a Visual Basic sample client application with complete source code. | 
