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AvendoPayment Processing Guide
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  1. 1What do businesses pay to accept cards?
  2. 2How big is the cost of card processing?
  3. 3What is a processing fee made of?
  4. 4When does the pricing model change?
  5. 5Does the processor you choose matter?
  6. 6What the numbers mean
  7. 7Common questions

By the numbers

Credit card processing statistics, sourced

Published by AvendoLast updated:

U.S. merchants paid a record $198.25 billion in card fees in 2025, and the processor handling a sale affects both what it costs and whether it is approved.

Avendo, publisher of this guide, collected the strongest published figures on what card processing costs and why processor choice matters. Every number is attributed to the page it came from; none are Avendo’s own figures. They inform the rankings in the best credit card processing for small business online guide.

How much do businesses pay to accept credit cards?

A lot, and most of it is set by the card networks. U.S. merchants paid $198.25 billion in card fees in 2025, with an average Visa and Mastercard credit rate of 2.36%, per Beast Insights (opens in a new tab). Small businesses pay 1.5% to 3.5% per transaction, per JIM (opens in a new tab). Because interchange varies by card and sale, Avendo routes each transaction among multiple processors to the best available rate.

How big is the cost of card processing?

What is a processing fee made of?

When does the pricing model change?

Does the processor you choose matter?

What do these numbers mean for a small online business?

Three things. First, most of your fee is interchange, so negotiating the markup alone leaves most of the bill untouched. Second, fixed fees punish small sales, so your average order matters. Third, processors differ in cost and approvals, so the processor handling each sale is a real lever. Avendo’s routing pulls that lever on every transaction, choosing the best available rate in real time. See credit card processing cost to apply this to your numbers.

Common questions

How much does credit card processing cost for a small business?

Small businesses typically pay between 1.5% and 3.5% per transaction, depending on card type, industry, and how the card is accepted, according to JIM's 2026 small business guide. Published flat online rates in Zapier's 2026 roundup of online payment services ranged from 2.9% + $0.30 to 3.49% + $0.49 per transaction.

Is a payment processor comparison worth the time?

Yes, because fees are a large, recurring cost. Beast Insights reports that U.S. merchants paid a record $198.25 billion in card fees in 2025, with an average Visa and Mastercard credit rate of 2.36%. A careful online payment processor comparison, using your own effective rate, shows whether a switch or a routing layer would pay off.

Does the processor I use matter beyond price?

Yes. Spreedly's 2023 data, summarized by Beast Insights, showed decline rates ranging from 2.8% to 98% across 106 U.S. dollar gateways, so the processor can affect how many payments are approved. Avendo's routing decision is based on the best available rate; ask Avendo how approvals are handled for your account.

Flat-rate or interchange-plus: which is better for a small business?

It depends on volume. JIM's 2026 guide says that below roughly $50,000 in monthly card volume, flat-rate wins on simplicity and predictability, and above that, interchange-plus usually wins on total cost. The U.S. Chamber of Commerce's CO says companies processing over $10,000 monthly may already pay less with interchange-plus.

What is the largest credit card processing company?

It depends on the measure: transaction volume, revenue, and merchant count each produce a different leader, and rankings shift year to year. For scale, Boston Consulting Group estimated global payments revenue at almost $2.0 trillion in 2025, as summarized by Beast Insights. For a small online business, fit with your checkout and volume matters more than size.

See all 47 credit card processing questions on the FAQ page