A floor on the fees a processor collects each month. If your actual processing fees fall below the minimum, you're charged the difference — so low-volume months cost more than they should.
Why it matters for your business
Terms like Monthly minimum 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