Not in EU.
https://eur-lex.europa.eu/EN/legal-content/summary/fees-for-...
> Specifically, the regulation:
> caps interchange fees at 0.2% of the transaction value for consumer debit cards and at 0.3% for consumer credit cards;
https://eur-lex.europa.eu/EN/legal-content/summary/fees-for-...
> Specifically, the regulation:
> caps interchange fees at 0.2% of the transaction value for consumer debit cards and at 0.3% for consumer credit cards;
You need to look at both sides of the transaction to figure out the total.
There are exceptions for business cards, as said in the document:
> provides for a limited number of exemptions, such as business cards used only for business expenses being charged directly to the account of the company;
There's a reason every European PSP charges 2-4x higher fees with Amex cards.