Does Atmos charge foreign exchange rates or fees on international transactions? June 28, 2023 03:03 Updated Atmos does not charge incremental fees for international transactions. Foreign exchange is assessed based on Mastercard's quoted rates on the date of the transaction. Related articles Can I use my Atmos debit card internationally? Can I deposit cash in an ATM ? Does Atmos have any fees or minimums? Does Atmos pay interest on my checking account? How can I activate my debit card?