Glossary

What is Interchange Fee?

Interchange Fee is a non-negotiable transaction cost set by card networks like Visa, Mastercard. And Discover, paid by merchants to the card-issuing bank for each credit or debit card purchase. Interchange Fee covers fraud risk, processing costs. And network operations, varying by card type, transaction method. And merchant category.

Sources reviewed: Visa USA Interchange Reimbursement Fees, Mastercard Interchange Rates and Criteria

Quick Facts About Interchange Fee

Category

Transaction cost

Used for

Covering card network and issuing bank expenses

Common confusion

Often mistaken for the entire merchant processing fee

Also called

Interchange Rate, Interchange Reimbursement Fee

Often discussed with

Credit Card Payment Processing, Merchant Account Services

Key Takeaways About Interchange Fee

Understanding Interchange Fee

Interchange Fee in Credit Card Processing: Interchange Fee is a non-negotiable transaction cost set by card networks like—...

Interchange Fee is the foundational cost of accepting credit and debit card payments, established by major card networks such as Visa, Mastercard. And find. Unlike other processing fees, interchange fees are non-negotiable and are paid by merchants to the bank that'ssued the customer’s card. These fees serve multiple purposes: they compensate issuing banks for the risk of fraud, cover the cost of processing transactions. And fund the operational infrastructure of the card networks. Because interchange fees are set by the networks, they apply uniformly across all payment processors. Though the exact amount can vary widely depending on factors like the type of card used, the transaction environment. And the merchant’s industry.

Related glossary terms: Discount Rate, Merchant Category Code, Card Present.

For merchants, interchange fees represent a significant portion of the total cost of accepting card payments. While they can't be avoided, understanding how these fees are structured can help businesses anticipate expenses and evaluate their payment processing agreements more effectively. For example, a retail store accepting a Visa debit card in person will typically pay a lower interchange fee than an online retailer accepting a rewards credit card. This variation exists because card networks assess risk and cost differently based on transaction details, such as whether the card was physically present or entered manually.

How Interchange Fee Works?

Interchange Fee is calculated as a percentage of the transaction amount, often combined with a small fixed fee per transaction. For instance, a typical interchange rate might be 1.51% +

The specific interchange fee applied to a transaction depends on several key factors. The most influential is the merchant category code (MCC), a four-digit number assigned by card networks to classify businesses by industry. For example, grocery stores (MCC 5411) often benefit from lower interchange fees than high-risk industries like travel agencies (MCC 4722). Other factors include whether the transaction is card-present (swiped, dipped, or tapped) or card-not-present (online, phone, or mail order), the type of card used (debit, credit, rewards, corporate), and the size of the transaction. Debit cards, especially those issued by large banks with PIN verification, tend to have the lowest interchange fees, while premium rewards credit cards can carry significantly higher rates.

  • Card-present transactions: Lower risk, lower interchange fees (e.g., swiped or EMV chip transactions).
  • Card-not-present transactions: Higher risk, higher interchange fees (e.g., e-commerce, phone orders).
  • Rewards and corporate cards: Higher interchange fees due to added benefits and risk.
  • Debit cards: Lower interchange fees, especially with PIN verification.

Why Interchange Fee Matters?

How Interchange Fee applies to Credit Card Processing services in Long Beach, United States—practical illustration

Interchange Fee directly impacts a merchant’s bottom line, particularly for businesses with high transaction volumes or thin profit margins. While merchants cannot negotiate these fees, they can influence their overall processing costs by optimizing transaction methods, choosing the right payment processor. And understanding how their merchant category code affects rates. For example, a restaurant that primarily accepts card-present transactions will generally pay lower interchange fees than an e-commerce store handling the same dollar volume. And businesses that process a high proportion of rewards credit cards may see higher interchange costs, which can erode profit margins if not accounted for in pricing strategies.

Beyond cost, interchange fees also play a role in broader industry dynamics, including the availability of payment options for consumers and the competitive scene for payment processors. Card networks use interchange fees to balance the interests of merchants, issuing banks. And consumers. For instance, higher interchange fees on rewards cards help fund cashback and travel benefits, making these cards more attractive to consumers. Meanwhile, merchants must weigh the cost of accepting these cards against the potential loss of sales if they refuse them. Understanding interchange fees allows businesses to make informed decisions about payment acceptance, pricing. And even which card networks to prioritize.

When Interchange Fee Matters Most?

Interchange Fee becomes a critical consideration in several scenarios. For businesses evaluating payment processing providers, interchange fees are the baseline cost that all processors must pass through—though some processors may bundle them into a single rate, obscuring the true cost. Merchants with high average transaction sizes, such as furniture stores or B2B suppliers, may find that interchange fees represent a larger share of their processing expenses, making it essential to compare pricing models. Similarly, e-commerce businesses and other card-not-present merchants should pay close attention to interchange rates, as their transactions typically incur higher fees due to increased fraud risk.

Interchange fees also matter during negotiations with payment processors, though merchants should focus on the markup added by the processor rather than the interchange fee itself. Processors may offer interchange-plus pricing, which clearly separates interchange fees from the processor’s markup, or flat-rate pricing, which simplifies costs but may be more expensive for certain transaction types. Businesses that process a mix of debit and credit cards, or those with seasonal sales fluctuations, may benefit from interchange-plus pricing, as it provides transparency and can result in lower costs for high-volume or low-risk transactions. Finally, merchants in regulated industries, such as cannabis or CBD, may face higher interchange fees due to elevated risk classifications, making it even more important to understand how these fees are calculated and applied.

How to Evaluate Interchange Fee?

Related Concepts Compared

Interchange Fee vs. Discount Rate

Discount Rate is the total fee charged by a payment processor, including interchange fees plus the processor’s markup. Interchange Fee is only the non-negotiable network cost.

Interchange Fee vs. Swipe Fee

Swipe Fee is a colloquial term for the total cost of accepting a card payment, including interchange and other fees. Interchange Fee specifically refers to the network-set portion.

Expert Note

Interchange fees are the invisible backbone of card payments—merchants can’t avoid them. But they can optimize their processing agreements to ensure they’re not overpaying on the markup. Always request interchange-plus pricing for transparency.

Common Mistakes or Myths About Interchange Fee

  • Assuming interchange fees are negotiable—they are set by card networks, not processors or banks.
  • Confusing interchange fees with the entire merchant processing fee, which includes markups from processors.
  • Overlooking how merchant category codes (MCCs) impact interchange rates.
  • Believing all card types (debit, credit, rewards) have the same interchange fee structure.
  • Ignoring the difference between card-present and card-not-present interchange rates.

Interchange Fee in Practice: A Real-World Example

A Long Beach coffee shop processes a Visa debit card transaction in person. The interchange fee might be 0.80% +

Sources & Further Reading on Interchange Fee

Related Services

Related Terms

Discount Rate

Discount Rate is the fee a merchant pays to a payment processor for each credit or debit card transaction, expressed as a percentage of the transaction amount plus a fixed per-transaction fee. This rate covers the cost of processing the payment, including interchange fees, assessment fees. And the processor’s markup.

Merchant Category Code

Merchant Category Code is a four-digit number assigned by payment card networks to classify businesses by the type of goods or services they provide. These codes help processors, banks. And card networks determine interchange fees, assess risk levels. And apply regulatory rules like chargeback protections or spending limits based on the merchant’s industry.

Card Present

Card Present is a transaction type in which the physical payment card is physically present and read by a payment terminal at the point of sale. Card Present transactions occur in face-to-face settings such as retail stores, restaurants. Or service counters, where the card’s magnetic stripe, EMV chip. Or contactless NFC interface is used to capture payment data directly from the card.

Card Not Present

Card Not Present is a transaction type in which the physical payment card is not presented to the merchant at the time of purchase. These transactions occur primarily online, over the phone, via mail order. Or through recurring billing, requiring merchants to rely on card details like the number, expiration date.

Payment Processor

Payment Processor is a financial technology company or service that facilitates electronic transactions between merchants, customers. And financial institutions. Payment Processors handle the authorization, clearing. And settlement of credit card, debit card. And other digital payments, ensuring funds are securely transferred from the customer’s bank to the merchant’s account.

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