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Payments 101May 2, 2026 · 3 min read

How Much Do Credit Card Companies Charge Merchants?

Interchange, assessments, markup - a breakdown of what you actually pay per sale, and the levers that bring the number down.

CS

The Cashswipe Team

Merchant services, built for you

Ask ten business owners what they pay to accept cards and you'll get ten shrugs. The average lands between 1.5% and 3.5% per transaction - but the average hides the story.

The three layers

  • Interchange - set by the networks, paid to the issuing bank. Non-negotiable.
  • Assessments - the networks' own cut. Also fixed.
  • Processor markup - the negotiable part, and where most businesses overpay.

Bringing it down

Interchange-plus pricing, a cash-discount or surcharge program, and clean chargeback hygiene are the highest-leverage moves. The markup is where a knowledgeable partner earns their keep.

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