Average credit card processing fees

The short answer

There is no official average processing fee. What you pay is interchange and network fees, set by the card networks, plus your provider's markup and fixed fees. The number that matters is your own effective rate: total monthly fees divided by total card volume. We do not publish benchmark ranges, because card mix, channel and average ticket move the number more than any average can show.

What the card networks publish

Source: Visa USA Interchange Reimbursement Fees, 18 April 2026 (checked September 16, 2026). Interchange only: network fees and your provider's markup are extra. Credit, rewards, business and regulated debit cards have their own programs; see how to read Visa's US schedule. Rates change, so check the current document.

What actually drives the number

• Card mix. Debit is cheap. Standard credit is mid. Rewards, business and corporate cards are expensive. This is interchange, not markup, and no processor changes it.
• Card present vs keyed. Keyed and online sales qualify for different interchange programs than tapped or dipped cards; in the Visa debit example above the keyed rate is higher.
• Average ticket. A fixed per-item fee weighs far more on a small sale than a large one: ten cents is 1% of a $10 sale and 0.1% of a $100 sale.
• Pricing structure. Tiered pricing can bill cards at a higher tier than their interchange cost, and the statement may not show it.
• Monthly fees. For example, on $15,000 of monthly volume, $70 of monthly fees is 0.47% by itself.
• Downgrades. Misconfigured AVS, late batching and missing data quietly push transactions into worse categories.

US and Canada, side by side

Canada. Interac debit is usually priced per transaction rather than as a percentage, which matters for debit-heavy merchants. Visa Canada's surcharging FAQ sets an absolute maximum surcharge of 2.4%, and Quebec has its own rules (Quebec payment rules).

United States. Debit is regulated by the Durbin Amendment for large issuers, which caps that interchange, but small-issuer debit is uncapped (how the Regulation II cap works). Credit card surcharging is allowed in most states within card network rules. Visa's surcharging requirements limit it to credit cards, at no more than your cost of acceptance and never above 3%, with 30 days' notice to your acquirer. Mastercard publishes its own rules. Connecticut, Maine, Massachusetts and Puerto Rico prohibit it, and states such as New York, Colorado and California add conditions; see surcharge laws by state.

The one-minute self-check

1. Total fees ÷ total volume × 100 = effective rate.
2. Ask your provider which interchange programs your sales qualified for, and compare your markup and fixed fees with other written quotes.
3. Add up the fixed monthly fees. Any fee with no clear service attached is worth a phone call by itself.
4. Look at three consecutive months. Any upward drift without a card-mix change is rate creep.

If the number looks high, ask for an itemized explanation. Send one statement and we will return every line labelled, usually within 4 hours, free, whether or not you switch.