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How to Read Your Own Merchant Statement

Processors format these to be skimmed, not audited. Here is what every line actually means, what to look for, and how to work out the one number that lets you compare any two processors honestly.

Updated August 2026 · 5 Apollo

A merchant statement is designed by the company charging you the fees. That is not a conspiracy, it is just who produces the document — but it explains why the lines that cost you the most are usually the hardest to find. Here is the whole thing, decoded. Work through your own statement alongside this; you do not need anyone's help to do it.

1. Interchange

Set by Visa and Mastercard, paid to the bank that issued your customer's card. Nobody can negotiate this — not you, not us, not any processor who tells you otherwise. The rate depends on the card type and how the transaction was run.

Look for: a separate interchange line. If you cannot find one, you are on bundled pricing and the markup is hidden inside a single blended number.

2. Assessments and card brand fees

Small fixed fees paid to the card networks themselves, separate from interchange. Also non-negotiable, and identical no matter who processes your payments.

Look for: network names — Visa, Mastercard, Discover, Amex — with small percentages attached.

3. Processor markup

What your provider adds on top of the two non-negotiable costs above. This is the only part of your rate that is genuinely negotiable, which is exactly why most statements make it difficult to isolate.

Look for: whatever is left after interchange and assessments. On interchange-plus pricing it is stated outright. On tiered or bundled pricing it is not stated anywhere, by design.

4. Non-qualified downgrades

Transactions that failed to meet the lowest rate you were quoted and got repriced higher. Common causes: a manually keyed card, a missing zip code, a corporate or rewards card, or a batch settled late. The rate you were quoted can be entirely honest and your real cost still lands far above it.

Look for: "non-qual," "mid-qual," "EIRF," "standard," or "downgrade." This is usually the single largest gap between the rate you were sold and the rate you actually pay.

5. Per-item and batch fees

A flat charge on every transaction, plus a charge each time you settle the day's batch. Pennies individually, and they matter enormously if your average ticket is small.

Look for: a per-transaction amount multiplied by your transaction count. On a $12 average ticket, thirty cents is another 2.5% on top of your percentage rate.

6. Monthly minimum

A floor. If your processing fees for the month come in below it, you are billed the difference anyway. Costs you nothing in a busy month and bites in a slow one.

Look for: a line that only appears in your quieter months.

7. PCI compliance and non-compliance fees

A fee for the security compliance program, billed annually or monthly. Separately, a non-compliance fee gets charged when the annual questionnaire has not been filed — and a great many owners have never been told the questionnaire exists.

Look for: "PCI," and check whether you are paying both the program fee and a non-compliance penalty at the same time.

8. Equipment lease

Usually a separate agreement from your processing contract, often with a different company entirely, and frequently non-cancellable for its full term. Switching processors does not end it.

Look for: a fixed monthly charge for hardware. Check the original lease term before assuming you can walk away from it.

The only number that matters

Add every fee on the statement. Divide by your total card volume. That is your effective rate, and it is the only fair way to compare one processor against another.

Two processors quoting "2.6%" can produce wildly different effective rates once downgrades, per-item fees, monthly minimums, and PCI charges are counted. When you shop, ask every provider to beat your effective rate in writing, not their headline rate. A provider who will not put it in writing has told you something useful.

What to do if half of these are missing

If you cannot locate most of the lines above, that is not you missing something. Bundled and tiered pricing structures exist specifically so that the individual components are not separable. In that case the effective rate calculation still works — total fees divided by total volume — and it is the number to take with you when you shop.

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Sources

  1. Square, Understanding Our Fees — an example of fully published processing pricing — squareup.com
  2. PCI Security Standards Council, official source for PCI DSS requirements — pcisecuritystandards.org
  3. New York Department of State business resources — dos.ny.gov

The line items described here are the ones that appear most commonly across processors. Interchange schedules are published by Visa and Mastercard and are updated periodically; your processor can supply the schedule that applies to your account.

Statement formats vary by processor, and yours may use different labels for the same charges. This article is provided for general educational purposes and reflects information available as of August 2026. It is not legal or compliance advice, and it is not a substitute for reviewing your own merchant agreement or consulting an attorney about your specific situation. Card network rules, state law, and processor pricing change; verify current requirements with your processor or the relevant regulator before acting.

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