At scale, payment processors are amongst the most difficult things you could do because every two bit crook out there is going to try to scam you somehow.
I know you mean this with a /s, but hey, we just need a proper File Transfer Protocol, an SQL-lite database server, and some simple vibe coded python business logic, no test cases required.
jacquesm|6 days ago
dewey|6 days ago
malfist|6 days ago
xarope|6 days ago
What can go wrong... (/s just in case as well)
ggregoire|6 days ago
zer00eyz|6 days ago
https://stripe.com/atlas
They also have a tax product, and a few other things that are in the orbit around payment processing.
Their product offerings are a bit more than just the "dumb pipe" portion of the transaction.