Flat Rate Pricing Is a Great Deal Until You Are Not Small

Flat rate processing solved a real problem. It let a company start taking payments in an afternoon without underwriting, negotiation or a merchant account. It is priced accordingly, for merchants who cannot negotiate and do not have volume. This marketplace had $50 million of volume and was still paying the price of having neither.

Flat rate pricingOutgrown pricingNo interchange disclosureMarketplace

2.65% to 2.34%

Effective rate, before and after

$155,806

Annual savings identified

$50M

Annual card volume

$5,000

Value of one basis point per year

The business

An online marketplace processing roughly $50 million a year with an average transaction of about $129. All volume ran through a single flat rate payment service provider on a blended rate of 2.65 percent, with every component of cost bundled into that one number.

The situation

Nothing had gone wrong. That is the point of this case. There was no invented fee, no retained rebate, no padding and no bad actor. The company was paying exactly the published rate it had agreed to, and the provider was delivering exactly what it promised.

The problem was that the agreement had been made when the company was small, and it had never been revisited, because it never generated a moment that demanded revisiting. Flat rate pricing produces no anomalies. There is no statement line to question. There is only one number, and it is the same number every month.

$5,000

Annual cost of a single basis point at $50 million of volume. At $500,000 of volume, one basis point costs $50 and nobody should spend an afternoon on it.

What the audit found

At $50 million of volume with a $129 average ticket, the transaction mix, chargeback profile and settlement behaviour were all well within what a conventional interchange plus arrangement underwrites comfortably. The company qualified for pricing it had never asked for, because asking had never occurred to anyone.

The audit also found what flat rate pricing always conceals: no interchange disclosure of any kind. Whether transactions were qualifying correctly, whether debit was routing efficiently, whether any category was downgrading, none of it was knowable from the statement. That is not a defect. It is the design.

The real cost of a bundle

A blended rate is a price for not having to think about payments. That is worth paying at $500,000 of volume. At $50 million it is a $155,000 annual subscription to not looking.

What it would take

Moving to disclosed interchange plus pricing at the volume the company actually has. The effective rate comes down from 2.65 percent to 2.34 percent, 31 basis points, with interchange visible line by line for the first time so that any further optimization becomes possible at all.

What it was worth

Effective rate 2.65 percent, correctable to 2.34 percent
$155,806 in annual savings identified
Roughly $2,996 a week leaving the business
Interchange disclosed line by line, making any further optimization measurable

Industry context

Flat rate payment service providers built their business on removing friction. No underwriting interview, no merchant account application, no negotiation, no interchange to understand. For a company launching a product, that is worth a great deal, and the rate is not unreasonable for what it delivers.

The pricing does not adjust for scale, and there is no mechanism by which it would. The published rate is the published rate. A company processing half a million dollars and a company processing fifty million pay the same percentage for a service whose underlying cost differs enormously between them.

Because the industry is unregulated, no provider is obliged to notify a merchant that it has outgrown the product. The relationship simply continues, working exactly as well as it did on day one, at a cost that scales linearly with success.

Why this case matters

Every fast growing company crosses a threshold where the tooling that got it started becomes the most expensive thing it owns. Payments is the clearest example, because the cost scales perfectly with success and the pricing never does.

There is no notification when you cross it. The provider is not obligated to tell you, the industry is unregulated, and the rate on the website is the rate you keep paying. The only signal is the one you have to go looking for: your own volume, multiplied by a number nobody put in front of you.

How to check this on your own statement

1. Divide your annual card volume by 10,000

That is what one basis point costs you per year. Write it down. Every conversation about processing becomes clearer once that number is in front of you, because basis points stop sounding abstract.

2. Calculate your true effective rate

Include everything: the headline percentage, the per transaction component, chargeback fees, currency conversion, payout fees and any platform charges. Divide the total by volume. It will be higher than the advertised rate.

3. Ask whether interchange is disclosed anywhere

If it is not, you cannot know whether your debit is routing efficiently, whether any category is downgrading, or what your actual cost of acceptance is. You are buying a price, not a service you can measure.

4. Test whether you would underwrite yourself

Established volume, a low chargeback rate and a stable business are the qualifications for conventional pricing. If you would approve your own company, you probably qualify for pricing you have never been offered, because you have never asked.

Questions we get about this

Is flat rate pricing a bad product?

No. It is an excellent product for the merchant it was designed for, and this case involves no wrongdoing at all. The company paid exactly what it agreed to pay and received exactly what it was promised. The problem was that the agreement was made by a much smaller company.

Will we lose the developer experience if we move?

That is the real question, and it deserves an honest answer rather than a sales one. Some of it you will. The correct comparison weighs engineering effort against the annual saving, and at fifty million dollars of volume that comparison usually resolves quickly.

Can we keep flat rate pricing for part of our volume?

Frequently yes, and it is often the right answer. Small and irregular volume can stay where it is while the concentrated, predictable volume moves. Splitting by transaction profile rather than moving wholesale is a normal outcome.

What does one basis point cost you?

Divide your annual card volume by 10,000. If that number makes you uncomfortable, you have outgrown flat rate pricing. weAudit will show you exactly how far, at no cost.

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