Ideally, both.Are you wanting the users to be able to purchase it within your program (hence a need for an API)
OR are you wanting to send them to the provider via your afifliate link, and then they can enter in their API details within the program?
That's a great idea and I'd thought about doing it that way (and still might), but I'm still about 2 - 3 weeks out from actually needing it implemented, so I figured I'd just start a thread about it and then perhaps start PMing people in about a week or so, if this doesn't work.why not just pm a few of the top sellers here and ask them directly