Guides
Understand your card fees
Three short guides. Read them in order the first time.
What a card payment really costs
Interchange, scheme fees and the provider's margin. Which part is fixed by law, which part is negotiable.
How to read your statement
Effective rate, pricing models, and the add-on fees that are easy to miss.
Choosing a card terminal in Europe
What to compare between providers, with published prices and break-even points.