If you’ve ever reviewed your merchant statement and wondered where your processing fees go, you’re not alone. This guide provides interchange fees explained in simple terms, helping you understand one of the largest costs of accepting credit and debit card payments.
Interchange fees make up a significant portion of your payment processing expenses. While many business owners assume these fees are entirely out of their control, that’s only partly true. When you understand interchange fees, you can identify which costs are fixed and which ones you may be able to reduce.
Interchange Fees Explained: What An Interchange Fee Is
An interchange fee is the amount paid to your customer’s card-issuing bank every time they pay with a card. When someone buys from you with a Visa or Mastercard, a small percentage of that sale goes to the bank that issued their card. That fee is interchange.
It exists to compensate the issuing bank for the cost and risk of extending credit and running the card program. It is not a fee your processor invents; it is set above them, by the card networks.
Who Sets Interchange, And Why You Cannot Negotiate It
This is the key point most business owners miss: interchange is set by the card networks, Visa, Mastercard, and the others, not by your processor. The networks publish interchange rate schedules, and they apply to everyone. A corner store and a national chain pay the same interchange on the same type of card transaction.
That means the interchange portion of your bill is genuinely fixed. No processor can lower it, and any provider claiming they can is not being straight with you. What a good processor can do is pass interchange through transparently and keep their own markup fair, but more on that below.
Interchange Fees Explained: Why Interchange Rates Vary So Much
Interchange is not a single number. It changes based on several factors:
- Card type. Rewards and premium cards carry higher interchange than basic ones, because someone has to fund those rewards.
- How the card is accepted. Card-present (in-store) transactions cost less than card-not-present (online or keyed-in), which carry more fraud risk.
- Business category. Different industries have different interchange schedules.
- Card brand. Visa, Mastercard, Discover, and American Express each set their own.
This is why the same $100 sale can cost a different amount depending on whether the customer used a plain debit card in person or a premium rewards card typed in online.
The Part Of Your Bill You Can Actually Change
Here is the good news. Your processing cost has two layers:
- Interchange and assessments, fixed, set by the networks, the same for everyone.
- Processor markup, what your processor adds on top, which varies from provider to provider.
You cannot touch interchange. But the markup is entirely negotiable, and it is where businesses overpay without realizing it. Two processors can handle the identical transaction and charge you meaningfully different amounts, purely because their markup differs.
This is also why the pricing model matters. With interchange-plus pricing, you see interchange and the processor’s markup as separate line items, so you know exactly what you are paying for. With flat-rate or tiered pricing, the markup is blended into one number, which is simpler to read but often hides a larger margin.
How To Use This On Your Own Statement
Next time you review a statement, separate the two layers in your mind. The interchange portion is fixed. Therefore, do not waste energy trying to negotiate it. Instead, focus on the markup. Ask whether your processor charges a fair rate and clearly explains the cost. If your statement shows only one blended rate with no interchange breakout, you cannot tell, and that is usually a sign worth investigating.
Why Understanding Interchange Fees Matters
Now that you’ve seen interchange fees explained, it’s easier to understand where your payment processing costs actually go.
Card networks establish interchange fees, so you cannot negotiate them. However, your payment processor’s markup can vary significantly. Choosing a provider with transparent pricing can help reduce unnecessary costs and give you a clearer understanding of your monthly processing expenses.
The more you know about interchange fees, the easier it becomes to compare providers, identify hidden charges, and make informed decisions for your business.
If you’d like a better understanding of your current processing costs, visit FinancialCorp’s Merchant Services page to learn how our team can review your statement, explain your fees, and help you find the right payment solution for your business.