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Fees & pricing

Credit card processing fees, decoded

There are only three fee buckets on your statement: interchange (paid to banks, ~70%), assessments (paid to Visa/Mastercard, ~10%), and markup (paid to your processor, ~20% — and the only part that's negotiable).

✓Editorially reviewedReviewed by Sam Patel, Merchant services editorUpdated April 1, 2026How we make moneyMethodologyAdvertiser disclosure
Quick answer
For most small businesses, an effective rate (total fees ÷ total volume) of 2.6%-3.0% is normal on flat-rate, and 2.0%-2.5% is normal on interchange-plus. Above that, you're overpaying.
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Frequently asked questions

2.6%-3.0% on flat-rate (Square, Stripe). 2.0%-2.5% on interchange-plus (Helcim, Stax). Tiered pricing routinely runs 3.5%+.

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