The portion of your processing cost that your processor keeps, on top of the wholesale interchange and assessment fees. On an interchange-plus plan the markup is stated plainly; on tiered or flat-rate plans it is bundled and harder to see.
Why it matters for your business
Terms like Markup aren't just jargon — they sit behind what you actually pay to accept payments. Understanding them is the difference between reading your statement and being at the mercy of it. If you're not sure how this shows up in your own costs, the fastest way to find out is to have someone read your statement line by line.
See what you're really paying →Related — Pricing & Fees