Example
Helcim's interchange-plus rate of IC + 0.40% + $0.08 per in-person transaction is among the lowest publicly available.
Why this matters to merchants
Interchange-plus pricingsits inside the broader system of U.S. payment processing economics that determine a merchant’s effective rate. Most operators encounter this term on their merchant statement without understanding what it controls, which is how the four hidden fees covered by our methodology slip past unnoticed.