Insights

Understanding International Processing Fees

Quick Answer: When a customer pays with a card issued outside the U.S., merchants pay standard interchange plus two additional fees on every transaction: an international service assessment (roughly 0.40%–0.55% depending on the network) and a cross-border fee (an additional 0.40%–0.80%). In total, international Visa and Mastercard credit cards typically cost merchants 2.5%–3.0% plus processor fees.

Interchange rates for international cards (cards issued outside the U.S. and processed by a U.S. based merchant) can be very confusing. Beyond the interchange rates and other processing fees charged for international cards, every network adds two fees to every international transaction. Here’s a quick guide to understanding these fees.

Interchange rates for international cards typically range from 1.10% to 1.98% for Visa, MasterCard and Discover (V/M/D) without a per item fee.1 The specific rate within this range largely depends on card type and processing method. In addition to interchange and the routine set of fees — assessments, network dues, and acquirer fees — imposed on every V/M/D transaction (for a full breakdown, see our card network nuisance fees explained), each network also adds the following two fees to every international transaction.

So Visa’s interchange rate of 1.80% for an Interregional Premium Card is only the start…when all of the other fees are added, the cost to the merchant is 2.76% + $0.02 for this international card. And these are just the interchange pass-through fees and do not even include the acquirer/processor fees. Understanding what are card network fees and how they stack on top of interchange is essential context for any merchant processing international volume.

For interchange pass-through merchants, some processors will separate the interchange and international fees, whereas, others, will group these fees together. In the example above, some processors will show the 1.80% interchange rate, 0.45% International Acquirer fee, and 0.40% International Service Assessment fee.  And some processors will sum these fees to show 2.65%.

In either case, a good rule of thumb is that international V/M/D credit cards will cost a merchant about 2.5% to 3.0% plus processor fees.

If your international costs are running above that range, it’s worth reviewing our interchange optimization guide to identify where transactions may be qualifying at higher-than-necessary rates.

Notes:
1With exception of Discover’s International Base Submission rate of 1.70% + $0.10, all other international interchange rates do not have a per item fee.
2MasterCard imposes an additional 0.40% fee if a transaction goes through Dynamic Currency Conversion.
3Visa imposes an additional 0.50% fee for certain high-risk MCCs, including e-commerce stores and e-commerce adult entertainment.

Frequently Asked Questions

What is an international processing fee?

An international processing fee is an additional charge applied when a customer pays with a card issued outside the U.S. It includes a cross-border assessment fee (charged by the card network) and an international service fee. These are in addition to standard interchange and processing fees, making international card acceptance more expensive than domestic transactions.

How much do international credit cards cost merchants?

As a rule of thumb, international Visa, Mastercard, and Discover credit cards cost merchants approximately 2.5%–3.0% in interchange, before processor fees. Mastercard adds an additional 0.40% for Dynamic Currency Conversion transactions, and Visa adds 0.50% for high-risk MCCs including e-commerce.

Are international debit cards charged the same fees as credit cards?

No — international debit cards are generally less expensive than international credit cards, but they still carry cross-border fees. The specific rates depend on the issuing country, card network, and whether the transaction is card-present or card-not-present.

Can merchants reduce international processing fees?

Some reduction is possible through proper MCC classification, AVS data submission, and ensuring transactions settle correctly. Dynamic Currency Conversion (DCC) should generally be avoided as it adds fees. For very high international volume, some merchants negotiate specific international interchange programs with their acquirer.

How does Harmonize help manage international processing costs?

Harmonize breaks out domestic versus international transaction costs at the transaction level, showing exactly which international fees you're being charged and whether they align with your processor's contracted rates. This visibility helps identify overbilling and opportunities to reduce your international effective rate

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