The original question from 2014 is still relevant.
Paypal still seems to have a policy of disapproving of multi-level payment systems,
and they are well known for freezing accounts indefinitely without warning !
They are likely to see any sort of forced matrix as a pyramid scheme.
I am surprised that QU is not aware of this problem !
I see the integration methods listed here https://www.postaffiliatepro.com/integration-methods/
but what I would really like to know is which companies are truly recommended and tested to work with multi-level affiliate systems ?
They must not have a legal problem with them, and they must be reliable, and easily integrated with PAP.