By Heidi Macomber · August 16, 2026

Cash Discount or Credit Card Surcharge? What Restaurants Need to Know Before Posting the Sign

Walk into enough restaurants this summer and you will find a new line at the bottom of the menu: prices reflect a 3.99 percent cash discount. It is printed on menus, taped beside registers, and built into kiosk checkout screens. Guests are asking servers what it means. Owners are asking each other whether to do it.

This guide is for the owner side of that question. Card fees have grown into the third biggest expense at most restaurants, behind food and labor, and the industry is split three ways on how to handle them. Some operators raise menu prices. Some add a credit card surcharge. Some post card prices and discount cash. Each approach is legal in different places, reads differently to your guests, and pays off under different math. Here is what the rules say, what Square and Toast allow in their systems, the numbers to run, and one phone call worth making before you post the sign.

Why This Is Suddenly Everywhere

Interchange fees, the cut that banks and card networks take on every swipe, reached a record 187.2 billion dollars in 2024, according to the Merchant Payments Coalition. The National Association of Convenience Stores estimates the fees have climbed more than 70 percent since 2020. For restaurants, cards are now typically the third highest expense after food and labor, per the National Restaurant Association.

Traffic has been falling at the same time. Restaurants reported nine consecutive months of declining traffic through October 2025, the NRA said, while food and labor costs kept rising. Squeezed from both directions, operators started examining the one big cost line they had never touched: the card bill.

A 2024 NRA survey found only 16 percent of members used any surcharge at all, and that figure counted group and delivery surcharges too. The line on that menu feels new to guests because it is new to most owners. Even the Texas Restaurant Association has been encouraging diners to pay cash or debit specifically to cut restaurants' interchange costs.

Three Ways Operators Handle Card Fees

Raise menu prices. The traditional move. Spread the cost across every item and no one sees a line item for it. The weakness is that guests watch menu prices closely. A quiet increase reads like you are chasing profit, even when the extra money is only covering your card bill. The NRA's own read on the trend: a visible fee can come across as transparency about rising costs rather than as another increase buried in the menu.

Add a credit card surcharge. Keep menu prices where they are and add a percentage line to card tickets. This is the heavily regulated path. Card networks cap it, several states ban it, and the disclosure rules are strict. It also never applies to debit cards.

Post card prices and discount cash. The restaurant raises posted prices by the program rate, then knocks that amount off for anyone paying cash. Legally, that structure is a discount rather than a surcharge. The card network caps only restrict surcharges, so they do not apply here, and that is one reason processors favor the model. The processor sets the program rate, commonly 3.99 percent, and the discount matches it, so the fee inside card payments covers the processing bill. Gas stations have run this playbook for decades. It is now spreading to restaurants, cafes, bakeries, and food trucks.

The Rules You Cannot Skip

Whichever path you pick, three layers of rules apply: state law, card network rules, and your processor's terms.

Debit is never surchargeable. Visa and Mastercard prohibit adding a surcharge to debit or prepaid cards, period. Louisiana turned this into state law on August 1, 2026: Senate Bill 254 bans debit surcharges, with fines up to 500 dollars per violation plus reimbursement of the fees collected. If your system applies a fee to a debit run, that is a violation even where credit surcharges are legal.

Surcharge caps. Visa caps credit surcharges at 3 percent, down from 4 percent as of April 15, 2023. Mastercard's cap sits at 4 percent. Surcharges must be itemized on the receipt, applied equally across card networks, and some networks require 30 days notice before you begin. What the caps measure is your total cost of accepting that card, and that cost includes both pieces of a processing rate, the percentage and the fixed per transaction fee. Mastercard's published merchant rules say a surcharge must not exceed the merchant's cost to accept the card. Since a surcharge is charged as one percentage line, the fixed fee gets folded into it: 2.6 percent plus 10 cents becomes one effective rate, and your surcharge cannot exceed that cost or the cap, whichever is lower. Cash discount programs handle the same question with a different shape. The program is quoted as one flat rate, commonly 3.99 percent, and any per ticket cost is built into that number, so there is no second fee to recoup.

State law. Connecticut, Massachusetts, and Maine ban credit surcharges, and Square's help docs add Puerto Rico. Texas bars them in practice under its Finance Code. Oklahoma caps them at 2 percent, which sits below what most restaurants pay to process, making surcharges pointless there. Minnesota and New York require specific disclosure formats. Cash discounts, since they charge nobody extra, are legal in all fifty states.

Signage and opt-out. Toast's published requirements for its surcharge module: signage at the point of entry (door, host desk, waiting area) and at the point of sale (register, menu, kiosk, online ordering page), stating the exact percentage and that it applies only to credit cards. The guest must have a chance to pay another way before the fee hits the ticket. Cash discount programs carry their own signage rules at the entrance.

This is a guide, not legal advice, and processor terms change. Check your state restaurant association's current guidance and your processing agreement before flipping anything on.

What Square and Toast Let You Do

Your POS may enforce its own limits on top of the law, so the practical question is what your system will even allow.

Square runs credit card surcharges in the US as an open beta, capped at 3 percent in their dashboard, in line with regulations. Surcharges apply to credit transactions only, never ACH, debit, tips, offline payments, or split tenders. The feature works in person on Square's POS apps and on web invoices, and it is not available for kiosk, terminal, or website transactions. Sellers in Connecticut, Maine, and Puerto Rico are blocked from enabling it. Square provides the required signage from the dashboard.

Toast ships both a surcharge module and a cash discount module. Its guidance emphasizes the signage and opt-out rules above, treats surcharging as dependent on your jurisdiction, and tells operators to review their card network agreements before enabling anything. Toast pricing is custom; independent reviews put typical pay-as-you-go rates around 3.1 to 3.7 percent plus 15 cents per transaction.

The short version: the major POS companies have built the compliance rails, and both cap or gate the feature rather than leave the liability with you. If your POS does not natively support one of these programs, running it by hand is how operators end up out of compliance.

The Math to Run Before You Pick

Here is the part most advice skips. A cash discount program is arithmetic, and you can price it the same way you price a plate.

Start with two numbers off your processor statements: total card volume and total fees. Divide fees by volume. That single number is your effective rate, the all-in cost of taking cards, with the percentage and the per ticket fee already combined into one figure. Say you paid 936 dollars in fees on 36,000 dollars of card sales: 936 divided by 36,000 is 2.6 percent, effective. Flat-rate processors commonly quote something like 2.6 percent plus a dime, and interchange averages about 2.35 percent before your processor's markup, so most restaurants effective-rate somewhere between 2.5 and 3.7 percent all in. Every comparison in this section comes down to that one number.

Now run a worked example. Say your restaurant does 40,000 dollars a month, 90 percent on cards, average ticket 32 dollars.

Paying the fees yourself. Work through it line by line. Sales: 40,000 dollars a month. Card share: 90 percent, so card volume is 40,000 times 0.90, which is 36,000 dollars. Average ticket: 32 dollars, so that volume is about 1,125 card tickets. The fee has two parts. The percentage part: 36,000 times 2.6 percent is 936 dollars. The fixed part: 1,125 tickets times 10 cents is about 113 dollars. Add them: 936 plus 113 is about 1,050 dollars a month, 12,600 dollars a year, straight off the bottom line. Notice what the fixed fee does to small tickets: 10 cents on a 6 dollar coffee is another 1.7 points of that sale, which is why cafes feel these fees more than steakhouses do.

A 3.99 percent cash discount program. Walk one burrito through it. Your old price is 10 dollars, so the posted price is 10 dollars times 1.0399, which is 10.40. A card guest pays 10.40. The processor takes 3.99 percent of it, about 41 cents, and you keep 9.99. A cash guest gets 3.99 percent off the posted price and pays 9.99, all yours. Either way you keep about the old menu price on every ticket, cash or card. Scale that up and the house keeps roughly 99.8 cents of every menu dollar, and the only leak is the fee charged on the fee, about 0.16 percent.

On paper the house keeps about 99.8 cents of every menu dollar instead of about 97, and the out-of-pocket fee bill goes to zero. That is the pitch, and for many operators it works exactly as advertised.

The arithmetic holds. The guest is the variable. This program effectively raises prices on 90 percent of your tickets during a stretch of nine straight months of industry traffic decline, so run the flip side: how much traffic can you afford to lose before the program costs more than it saves? The program saves you about 1,050 dollars a month in fees. Say you keep 20 cents of each sales dollar after food and labor. Then 1,050 divided by 0.20 is 5,250 dollars. Sales could fall by 5,250 dollars a month, about 13 percent, before the program starts costing you more than it saves. Your keep-per-dollar number will differ from 20 cents, so pull yours from your own profit and loss statement before running this.

One more check: compare your effective rate to the program rate. Suppose you currently pay an effective 2.6 percent and the program runs at 3.99 percent. Your card guests now pay 3.99 percent on every ticket so that you can stop paying 2.6 percent, and the processor keeps the difference, about 1.4 points, as the price of running the program. The fee moves off your statement and onto your guests, with a toll collected along the way. The higher your current effective rate, the smaller that toll. If yours is already 3.5 percent or more, the program is nearly free to run. If yours is low, you are paying your processor extra for the privilege.

Three numbers decide it: your effective rate today, the program rate, and how much of your sales mix you can realistically move to cash. Run yours before you sign anything.

One More Option: Shrink the Bill First

Before you pick a way to pass the fees, check whether you can cut them. A processing bill has two layers. Interchange, the cut that goes to banks and networks, is published and identical everywhere, and nobody negotiates it. The processor's markup on top of interchange is a different story. It is negotiable, and at modest volume most restaurants never ask.

The leverage is volume, and the threshold is lower than you might think. QuickBooks says it on its own pricing page: its pay-as-you-go rate for in-person card payments is 2.6 percent plus 10 cents, identical to Square's published in-person rate, and if you process more than 2,500 dollars a month you are invited to call for custom rates. Two processors, same sticker price, and the difference is what happens when you pick up the phone. The US Chamber's small business guidance points the same direction: negotiate the markup or switch providers, and ask for interchange-plus pricing, a statement format that shows the pass-through cost and the markup as separate lines so you can see what you are actually negotiating.

What is a phone call worth? On 36,000 dollars of monthly card volume, a 0.1 point reduction is 36 dollars a month, 432 dollars a year. A 0.4 point reduction is 1,728 dollars a year. That will not zero out a 12,600 dollar fee bill, so passing fees remains the bigger lever, but negotiating is the cheapest lever to pull, and it improves every comparison in this guide: the smaller the gap between your effective rate and the program rate, the less the program costs you in toll.

Which Approach Fits Which Restaurant

Already cash-heavy? If a large share of your guests pay cash, a cash discount is cheap. You reward behavior you already get, the discounts cost little, and card guests cover their own fees. Bakeries, lunch counters, and food trucks with heavy cash traffic fit here.

Card-only crowd? A quick-service spot or cafe whose guests carry no cash gets nothing from a discount program. The fee becomes a price increase on essentially every ticket. A quiet adjustment folded into a menu reprint usually reads better than a payments line item.

Full service, high tickets? With average tickets over 50 dollars, a capped 3 percent surcharge is itemized, capped, and small relative to the check. Guests who object can pay debit, which costs you less anyway.

Before You Flip It On

1. Pull three months of processor statements and compute your effective rate: total fees divided by total card volume.
2. Call your current processor with that number and ask what they can do on the markup. If you process more than a couple thousand a month, ask about interchange-plus pricing.
3. Get any program's rate and per-transaction fee in writing, and compare it to that effective rate.
4. Check your state: Connecticut, Massachusetts, and Maine ban credit surcharges, Texas bars them in practice, Oklahoma caps them at 2 percent, and Louisiana now fines debit surcharges.
5. Confirm your POS supports the program natively so receipts, signage, and debit handling stay compliant without staff judgment calls.
6. Decide how the sign reads. Toast requires signage at entry and at the register stating the exact percentage and that it applies only to credit cards.
7. Train the staff on the two-sentence explanation for guests: card price is posted, cash gets the discount.
8. Watch your sales mix weekly for the first month. If cash share does not move and traffic dips, be ready to pull the program and reprint.

The Bottom Line

Card fees crossed from background noise into your top three expenses, and every operator now chooses how to surface them: inside menu prices, as an itemized fee, or as a cash discount. The rules are strictest for the fee and loosest for the discount, which explains what is showing up on menus this summer. The math usually favors the house either way. The part no calculator settles is how your guests feel about paying it.

You would not price a burger without costing the recipe first. Price your payments the same way. Know your effective rate, ask your processor for a better one, cost out the program, and make the call on your own numbers instead of on what the restaurant down the street is doing.

Percy Plate exists for exactly this kind of operator math: recipe costs, yield, menu pricing, and the numbers behind decisions like this one. Run yours at percyplate.com.

Related Guides

• How to Price Your First Menu Before You Open - Pricing your menu with real numbers
• Break-Even Analysis for Food Businesses: Know the Number That Means Survival - The number that tells you if the program pays

View this article in the app: https://percyplate.com/blog/cash-discount-vs-credit-card-surcharge-guide