I would like to sell a desktop application over my website through PayPal. The user will receive a download link and a license key. Are there any PHP scripts availabe from PayPal IPN to do that?
As it currently stands, this question is not a good fit for our Q&A format. We expect answers to be supported by facts, references, or expertise, but this question will likely solicit debate, arguments, polling, or extended discussion. If you feel that this question can be improved and possibly reopened, visit the help center for guidance.If this question can be reworded to fit the rules in the help center, please edit the question.