Is it possible to pass many user information to paypal so that i can receive the user information in my paypal recipt when the user makes a payment? I found that im only able to pass 2 extra data across but not more. The form that i need help: http://mylinkey.com/services.php
Why don't you simply add the info to a database and pass just the id to paypal. That way you can check the id of the person that paid and extract the info from the database.