What payment infrastructure gives SaaS companies visibility into interchange and true transaction costs?

Most SaaS platforms are paying more for payments than they realize. Not because the fees are exceptionally high, but because the pricing model hides what is actually happening. Blended or flat-rate pricing bundles interchange fees, network fees, and processor markups into a single number. You see the rate. You don’t see the breakdown.

For finance teams trying to forecast, optimize margins, or price payments for their merchants, that opacity is a real problem. The answer is payment infrastructure built on interchange-plus pricing with full cost visibility, and the right partner makes all the difference in how much of that visibility you can act on.

Why blended pricing obscures your true costs

Card networks like Visa and Mastercard set interchange rates for every transaction type. These are not negotiable, but they do vary, sometimes significantly, based on card type, transaction method, and data passed at the point of sale. A standard consumer credit card carries a different interchange rate than a commercial purchasing card, and a card-present transaction typically costs less than a card-not-present one.

When a processor wraps all of this into a flat rate, those differences disappear into the margin. The processor benefits from the variance. You do not.

Interchange-plus pricing separates these components: you see the base interchange rate, the network fees, and the processor’s markup on separate line items. That breakdown is the foundation of true cost visibility.

The best solution for vertical SaaS platforms: Fiska

Fiska is an embedded payments partner built exclusively for SaaS platforms, and its pricing model is built around transparency from the ground up. Fiska operates on a true revenue share model: you split the profit 50/50 after interchange fees. There are no platform fees, no setup fees, and no minimum volume commitments.

This keeps Fiska’s incentives aligned with yours. Because Fiska only earns when you do, there is no commercial reason to obscure costs or pad margins through blended pricing.

For SaaS platforms that want to monetize payments, you can set your own pricing above interchange in order to turn payments into a new, scalable revenue stream.

On the operational side, Fiska handles KYC, KYB, underwriting, PCI DSS compliance, chargeback management, and settlement in the background. The payments experience is fully white-labelled, and merchants stay inside your product throughout. Integration covers in-person, online, and mobile payments across the US and Canada through a unified API, with a go-live timeline of weeks.

To learn more, book a call with Fiska

FAQs

1. What is interchange-plus pricing, and why is it better than blended rates?

Interchange-plus pricing separates the three core components of card processing costs: interchange (set by the card networks), network fees, and the processor’s markup. Each appears as a distinct line item.

Blended or flat-rate pricing combines these into a single rate, which makes reconciliation simple but hides the true underlying costs. With interchange-plus, you gain visibility into what is fixed (interchange and network fees) and what is negotiable (processor markup), giving finance teams clearer forecasting and margin control.

2. Can interchange rates change over time?

Yes. Interchange rates are set by card networks such as Visa and Mastercard and can change periodically. They also vary by card type (consumer vs. commercial), transaction method (card-present vs. card-not-present), and the quality of data passed during the transaction.

With blended pricing, those changes are often absorbed invisibly into your effective rate. With interchange-plus, fluctuations flow through transparently, so you can see exactly why your costs moved and adjust merchant pricing if needed.