From PayPal's Website:
“PayPal's free .NET Software Developer Kit (SDK) and PHP Toolkit reduce the time and effort needed to create and customize ecommerce sites.
Download a PayPal-enabled Web storefront containing all the code you'll need to get started right away. You can add new website functions and handle higher transaction volumes as your business grows.
SDK for ASP.Net developers includes these tools:
- PayPal-enabled ASP.NET Commerce Starter Kit
- PayPal controls for Visual Studio.NET
- Sample code written in C#
- Sample IPN scripts
- Documentation“
Check it out here.
Posted by David Hayden, E-Commerce Web Developer