accepting adapt add-on buyers cart checkout described designed don download download-delivery ebay hyena ipn link multiple nor order paypal product products sell service supply system technique

I need to supply Hyena Cart with a download link for my product. How can I do that so that multiple buyers can use the link.

In order to use our download-delivery system, you would need to be using the E-junkie cart to sell your products; it's not really designed to work as an add-on for any other cart system.

However, if you're only accepting PayPal checkout payments and don't need to use PayPal IPN for Hyena Cart nor any other service, you might be able to adapt our eBay technique described here:
http://www.e-junkie.com/ej/help.ebay.htm