
This API is a very easy way to accept credit cards through your web app. Although , I don't think there are any simple examples available for ASP.Net 2.0. This beginner example will at least allow you to send a request to paypal and then get the response back from the API and display the error to a label.
Prereqs:
- Paypal business account with paypal websites pro enabled
- Paypal sandbox account (you must login and accept the agreement for websites pro from this account)
- get an API username, password, & signature from your sandbox account Read more »

