Buyer's guide
How to Choose a Payment Processor in 2026: A Practical Checklist
Five factors decide what card processing really costs you, and this checklist shows how to compare quotes without falling for a low headline rate.
Credit Card Processing guides
Research-backed credit card processing guides from our editorial team. See the full credit card processing comparison →
Buyer's guide
Flat-Rate vs Interchange-Plus: Which Pricing Costs You Less
Flat-rate pricing is simpler; interchange-plus is cheaper at volume. Here is the monthly card volume where the math tips in favor of switching.
Buyer's guide
Credit Card Processing Fees Explained: Interchange, Assessments and Markup
Your processing rate is three fees stacked together, and only one is negotiable — here's which, and what you can actually control.