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The hidden swipe cost: How credit card interchange fees affect you

Every card transaction comes with a behind-the-scenes cost—here’s what it means for merchants and customers.

September 23, 2025 / 18:01 IST
What is an interchange fee?
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What is an interchange fee?
Every time you tap, swipe, or manually enter your credit card details to purchase something, there is some complicated financial process going on behind the scenes. Part of the system is the interchange fee—a merchant bank (acquirer) to buyer bank (issuer) fee for settling the transaction. The payment fee compensates the issuing bank for assuming payment risk, fraud protection, and transaction costs. Consumers do not notice, but this fee can sneakily impact what they pay for merchandise and services.
How are interchange fees calculated?
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How are interchange fees calculated?
Interchange fees are not fixed; there is a sliding scale based on different variables. The type of card you employ—a standard, premium, or benefits card—also determines the rate because more benefit cards have higher charges. The type of transaction also matters because transactions over the internet are more expensive than transactions within stores because they have a higher fraud risk. These fees are established by card networks such as Visa, Mastercard, and RuPay and can further be established by domestic legislation. This volatility makes interchange fees an important operating consideration for merchants.
Interchange fees from the merchant's point of view
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Interchange fees from the merchant's point of view
Interchange fees can prove to be a huge overhead for companies, particularly small stores. These charges fit into the cost of card payment processing, typically between 1% and 3% on a transaction. Merchants absorb the cost to remain competitive, but others add it onto the bill as another fee for consumers to pay. There are minimum thresholds for card payments or even cash discounts in some instances—both steps taken to reduce the impact of interchange fees on their profitability.
Influence on customers beyond checkout
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Influence on customers beyond checkout
Even though customers are not directly required to pay interchange fees, they inevitably feel the bite. Increased merchant charges can potentially drive prices of goods upwards for all customers regardless of payment type in terms of card or cash. Conversely, interchange fees provide funds for the rewards schemes that customers enjoy, e.g., cashback, air miles, and gift vouchers. Essentially, a portion of the fee revenues is re-circulated back to customers in the form of rewards, so it is a two-edged sword for customers.
Difference across the globe in interchange fee policies
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Difference across the globe in interchange fee policies
Interchange fee regulation varies across the globe. In nations like the European Union, interchange fees are restricted strictly to reduce merchant cost, and that usually means less or more meager rewards to card holders. But countries such as the United States of America have higher interchange fees to offer more lucrative rewards but at the expense of greater retail cost. India takes a middle ground, having already faced regulated debit card fees but comparatively more negotiable credit card rates so that issuers would be able to seek merchant acceptance and consumer rewards in between.
Why it is beneficial to know interchange fees
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Why it is beneficial to know interchange fees
Interchange fees are invisible to the majority of consumers, but they power the entire credit card system from rewards you accumulate to fees you pay. Knowing how they work can help you make the right decision in choosing which card to use, where to shop, and how to maximize your rewards without paying more indirectly. For cashless payments, knowing the secrets behind that convenient card swiping can guide your money decisions better.
Moneycontrol PF Team
first published: Sep 23, 2025 06:00 pm

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