[hrktb]

That's pretty expensive.

Even Stripe is below that (1.5%) in EU, going another PSP gets it down to something lower in general. E.g. for Adyen it's 1.1% with 1.1E fixed.

[0] https://www.adyen.com/pricing/full-list

[toomuchtodo]

Interchange fees are regulated in Europe.

https://ec.europa.eu/commission/presscorner/detail/en/IP_19_...