Surcharge
A fee added to a card payment to pass processing costs to the customer.
A surcharge is an extra charge added to credit-card transactions to offset the merchant's processing fee. It's regulated: capped in amount, banned in some regions, and it must be disclosed and applied only to credit (not debit) cards. Cash discounting is a related but distinct approach.
How it works
Surcharging does not make card acceptance free. The fee becomes part of the transaction amount, so you pay interchange and assessments on the surcharge as well and recover slightly less than you added. Two ceilings then cap what you can add. The networks publish a maximum percentage, which has come down in recent years, and your own cost of acceptance is the tighter limit for most merchants: you may never charge the customer more than that card costs you. That is why most surcharging sits between 2% and 3%.
The procedure is fixed. Notify the card networks and your acquirer at least 30 days before you start, and confirm the current cap with the acquirer while you are there. Post signage at the entrance and at the point of sale, and show the surcharge as its own line on the receipt. The fee is added before authorization, so the customer's bank approves the higher total. Credit cards only: never debit or prepaid, and not even a debit card run without a PIN.
Local law sits on top of the network rules. A small number of US states and territories, including Connecticut and Massachusetts, prohibit credit-card surcharging outright, while others regulate how the price must be displayed. Those rules change, so check yours before you switch anything on. Where surcharging is banned, cash discounting is the usual alternative. Weigh the whole thing honestly: you are trading most of your card cost for friction at checkout, complaints, and some abandoned baskets online.
Worked example
Add a 3% surcharge to a $200 credit-card sale and the customer pays $206. Your own rate of 2.9% plus $0.30 now applies to that larger figure, so $5.97 plus $0.30, or $6.27. Against the $6.00 you collected in surcharge, the sale costs you $0.27 rather than the $6.10 it would have cost without one. Most of the fee comes back to you. Not all of it.
Frequently asked questions
- Is it legal to charge customers a credit card fee?
- In most of the United States, yes, provided you follow the card network rules and your state allows it. The conditions are specific: register with the networks 30 days in advance, disclose the fee before the sale and again on the receipt, keep it within both your cost of acceptance and the network's published cap, and apply it to credit cards only.
- What is the difference between a surcharge and a cash discount?
- A surcharge adds a fee to the credit-card price. A cash discount posts the higher price for everyone and takes money off for paying in cash. The customer can end up paying an identical amount either way, but the treatment is not identical: cash discounting is permitted in every US state and can apply to debit as well as credit, which is why merchants in states that ban surcharging use it instead.
- Can I surcharge debit cards?
- No, nowhere in the United States. Network rules prohibit surcharging debit and prepaid cards, and that includes a debit card processed as credit without a PIN. Your terminal or gateway has to identify the card type and apply the fee to credit transactions only. Getting this wrong is one of the most common reasons a surcharging program is shut down.