Why Rewards Cards Cost Merchants More

Rewards cards cost merchants more because interchange, the wholesale fee paid to the bank that issued the card, is higher on rewards and premium credit than on basic credit or regulated debit. The miles, points, and cash back the cardholder sees are funded from that interchange. They are not a gift from the network, and they are not a processor surcharge. U.S. banks collected nearly $66 billion in interchange ("swipe") fees in 2025, up from $64 billion in 2024 (Federal Reserve Bank of St. Louis, 9 Apr 2026). That article is explicit about the use of the money: banks cover card issuance, processing and settlement, fraud protection, and operating rewards programs.

Interchange is paid to the issuer

Interchange is set by the card networks and paid to the issuing bank. Visa's published schedule says the same thing in different words: merchants do not pay interchange reimbursement fees as a line to Visa. They pay a merchant discount to their financial institution, and interchange sits inside that discount (Visa USA Interchange Reimbursement Fees, 18 Apr 2026). On an interchange-plus statement you see the category name and the amount. On a bundled statement you still pay it. You just cannot audit which products drove it.

The rate is not one number. It changes with:

• Card product. Non-rewards consumer credit, Traditional Rewards, Signature, Signature Preferred, Infinite, and commercial cards are different columns.
• How the card is captured. Card-present (dipped or tapped) generally qualifies cheaper than keyed or card-not-present on the same product.
• Merchant category. Retail, restaurant, supermarket, and travel are different programs.
• Qualification. Missing data, a late batch, or a program the sale does not meet can land the same card in a more expensive category.

Assessments (network dues) and processor markup sit on top. Those three layers all go into effective rate: total fees divided by card volume for the same period. Rewards mix moves the interchange layer. Markup is the only layer a provider competes on.

The Visa product ladder, in published rates

Visa publishes consumer credit interchange in product columns, from premium rewards down to All Other Products (non-rewards consumer credit). Other networks publish their own ladders. The mechanism is the same: the issuer of a richer rewards product is reimbursed more.

The rates below are Visa Product 2, the card-present consumer credit program that applies when a merchant does not meet the volume bar for a cheaper retail performance tier. Threshold I, the cheapest retail tier, requires $8.83 billion in volume (Visa USA Interchange Reimbursement Fees, rates effective 18 Apr 2026). Most shops are not on Threshold I.

On a $100 card-present retail sale, Product 2 interchange is:

These figures are interchange only, from Visa's 18 April 2026 schedule. They are not your merchant discount, not a quote, and not a forecast of next month's mix. They show the gap: same $100, same shop, same day, different card product.

Traditional Rewards is only 14 basis points above non-rewards at Product 2. Signature Preferred and Infinite Spend Qualified are the expensive columns. The customer still sees "rewards" on all three. The statement sees a higher category than non-rewards, and a much higher category than regulated debit.

Restaurants see a sharper premium gap. Visa's card-present Restaurant 2 program prices Traditional Rewards and All Other Products at 2.10% (minimum $0.04) and prices Signature, Signature Preferred, and Infinite at 2.60% (minimum $0.04) (Visa USA Interchange Reimbursement Fees, 18 Apr 2026). On a $100 check that is $2.10 versus $2.60 before assessments and markup.

Debit is a different market

Credit interchange is not capped. Debit interchange for issuers with $10 billion or more in assets is. Regulation II caps that debit interchange at 21 cents plus 5 basis points, plus up to 1 cent if the issuer meets the fraud-prevention standard. Issuers below $10 billion are exempt (Federal Reserve, Regulation II compliance guide, last update 23 Jun 2023).

Visa's regulated Check Card card-present CPS/Retail, Debit line is 0.05% + $0.21, plus $0.01 if the issuer certified the fraud standard (Visa USA Interchange Reimbursement Fees, 18 Apr 2026). On the same $100 sale that is $0.26 or $0.27, versus $1.75 on Traditional Rewards Product 2 and $2.40 on Infinite Spend Qualified.

Exempt (small-issuer) debit is higher than regulated debit. Visa's exempt CPS/Retail, Debit is 0.80% + $0.15, or $0.95 on $100. That is still well below rewards credit.

Cards were 79 percent of U.S. noncash payments by number in 2024 (Federal Reserve FRPS, CY 2024, released 1 Jul 2026). Mix is not a rounding error. A book that takes more premium credit will show a higher effective rate even if the contracted markup never moved.

Why the rate you were quoted does not capture this

A quoted "2.49%" or a qualified tier is usually one number on a favorable mix. Rewards and premium products do not live in that number. They live in the interchange schedule. Freeze the markup and swap a non-rewards Visa for a Signature Preferred: interchange rises, total fees rise, the contracted plus does not. That is why two merchants on the same interchange-plus deal post different effective rates.

On a tiered statement the extra cost often shows up as mid-qualified or non-qualified volume. On a flat-rate statement it is baked into the blend; you cannot see which cards drove the month. Typical total processing cost is often described as 1.5 percent to 3.5 percent of the transaction plus a per-item fee (U.S. Chamber of Commerce, How to Calculate Credit Card Processing Fees, Jun 2026). Rewards mix is one of the reasons a shop lands high in that range.

Illustrative. Five hundred $100 card-present retail sales ($50,000). Interchange only, Visa Product 2 and CPS/Retail Debit, 18 April 2026 schedule. No markup. No assessments.

Same volume. Same ticket. Four different floors. Markup and assessments stack on top of whatever floor the mix built.

What you can change, and what you cannot

You cannot negotiate interchange. You cannot ask Visa to price Signature Preferred like All Other Products. You generally accept the brand, not a product: a rewards Visa and a non-rewards Visa both clear as Visa.

You can:

• Capture the card the cheap way when it is present. Keyed and card-not-present categories are higher on the same product. Dip or tap beats a typed PAN.
• Watch qualification. Late batch, missing data, and non-qualified consumer credit (3.15% + $0.10 on Visa's 18 Apr 2026 schedule) are how a $100 sale becomes a $3.25 interchange line. That is not a rewards problem. It is an ops problem.
• Steer where the rules allow. Surcharge, dual pricing, and cash-discount programs shift some cost to the cardholder, with state and brand limits. Visa's U.S. credit surcharge requires 30 days' notice to the acquirer, disclosure at entry and POS, a cap at the merchant discount rate or 3 percent (whichever is lower), and never on debit or prepaid (Visa merchant surcharging).
• Ask for debit on PIN-capable tickets. Regulated debit is the cheap end of the schedule. You cannot require it. You can post a cash or debit price where the program you enrolled in allows it.
• Read mix every month. Effective rate is the scoreboard. If interchange rose and markup did not, the customers brought more expensive products.

Commercial and purchasing cards sit on a separate, often higher, Visa schedule. They are not "rewards" in the consumer sense. They still move the floor.

If you want the mix in as-billed columns instead of a blended guess, upload last month's statement. Pass-through versus markup first. Then you can tell whether the month was rewards, qualification, or a plus you can actually shop.

FAQ

Why do rewards credit cards cost merchants more? Issuers fund miles, points, and cash back from interchange, the wholesale fee paid to the cardholder's bank. Visa's published product columns price Traditional Rewards, Signature Preferred, and Infinite higher than non-rewards consumer credit. That extra cost is inside your merchant discount, not a processor surcharge on miles.

Do merchants pay for credit card rewards programs? Yes, through interchange. U.S. banks collected nearly $66 billion in interchange in 2025 (Federal Reserve Bank of St. Louis, 9 Apr 2026). The same article says banks use those fees for processing, fraud protection, and operating rewards programs.

Can I refuse rewards or premium cards and still accept Visa? In practice you accept the brand, not a product. A rewards Visa and a non-rewards Visa both clear as Visa. You cannot pick only the cheap columns on the interchange schedule. Steering, surcharge, dual pricing, and cash-discount programs are the legal tools, with state and brand limits.

Why is debit cheaper than a rewards credit card? Credit interchange is not capped. Debit interchange for issuers with $10 billion or more in assets is capped at 21 cents plus 5 basis points, plus up to 1 cent if fraud-prevention standards are met (Federal Reserve, Regulation II). Small issuers are exempt, so not every debit card is capped.

How do I see rewards-card costs on my merchant statement? On interchange-plus, look for product names (Traditional Rewards, Signature, Infinite) next to amounts that move with mix. On a tiered or flat statement the extra cost is bundled. Compare total fees to card volume: that effective rate is what the mix actually cost.

Can I surcharge only rewards cards? Visa's U.S. credit surcharge is on credit, not on a single rewards product. You must notify the acquirer 30 days before starting, disclose at entry and POS, stay at or below the merchant discount rate or 3 percent (whichever is lower), and never surcharge debit or prepaid. Check your state; some ban it.

Sources

• Federal Reserve Bank of St. Louis, "Credit and Debit Card Fees Collected by U.S. Banks Rose in 2025," 9 Apr 2026
• Visa USA Interchange Reimbursement Fees, rates effective 18 Apr 2026 (PDF)
• Visa, Credit Card Processing Fees and Interchange Rates
• Federal Reserve, Regulation II compliance guide (last update 23 Jun 2023)
• Federal Reserve, Regulation II (Debit Card Interchange Fees and Routing)
• Federal Reserve FRPS topline, CY 2015-24 (last update 1 Jul 2026)
• U.S. Chamber of Commerce, "How to Calculate Credit Card Processing Fees" (Jun 2026)