iBill?
But you might want to check their references:
https://www.wired.com/2006/03/porn-b...xposes-buyers/
I know this is old and outdated, but the point is that for adult industry related transactions payment processing and finance is a flakey shaky world and what's here today can be gone tomorrow (with your unpaid funds) and with hardly any warning.
And now, money laundering is a huge black, grey, and white market.
So lists like this need to be qualified with more in depth history, disclosures of ownership/players, et al.
Oh, and let's have a moment of silence for ePassporte
