Interchange is capped at 0.3% in the EU (0.2% for debit cards). Paypal + Stripe charge 1.9% + €0.25 for merchants in the EU charging EU customers. Also, you c

Interchange is capped at 0.3% in the EU (0.2% for debit cards). Paypal + Stripe charge 1.9% + €0.25 for merchants in the EU charging EU customers. Also, you can't blame a 3-5% currency conversion fee (often paid twice - once by the customer and once by the merchant) on interchange. IMO the currency conversion is the real problem here... that's the hidden charge. The payment processing fee was agreed up front with full transparency for the merchant. And chargebacks are an unfortunate mess created by the fact that card networks are inherently quite rubbish. But FX fees can basically be whatever makey-uppy number the processor wants them to be.