Well I don't really know what they do, but what I know is that Visa transactions costs are 0,22 € out of a payment of 1 €, Mastercard's is 0,23 €, and the French CB network is 0,17 €. All of them do the same : ensure I get the money from the customer. Of course it's a larger project to run this in the whole world, but shouldn't it scale to less along with the number of billions of customers instead of the other way r…
They charge you 23%? I thought in the EU the maximum interchange fee for consumer credit cards is capped at 0.3% of the transaction value.
I don't want to put responsability on anyone, I don't know who takes what in the chain, but I see the fees in practice.
I took the cheapest PSP I could find in Europe... Stripe is way more expensive, taking 25 cents of fixed fee !