A 10 Basis Point Deal That Was Still Losing $175,000 a Year

This company had done everything right. Ten basis points is a markup most distributors never see, negotiated by people who knew what they were doing. And it did not matter, because 61 percent of the money on the table had nothing to do with the markup and everything to do with data that was never leaving the building.

Level 3 interchangeERP data pathWholesale distributionGood rate, bad deal

$175,204

Annual Level 2 and Level 3 interchange recovered

10 bp

Discount rate before the audit

2.45% to 2.21%

Effective rate, before and after

$894

Average ticket

The business

A wholesale distributor of building and mechanical products operating more than 70 branches and processing roughly $120 million a year. The average ticket was $894, and the customer base was overwhelmingly other businesses: contractors, municipalities, builders and service companies buying on commercial and purchasing cards.

Why nobody had looked

Because nothing looked wrong. The discount rate was 10 basis points. In our experience that puts this company in the top few percent of distributors we audit on the one number merchants are trained to watch. The finance team had negotiated hard, gotten a genuinely strong result, and reasonably concluded the job was done.

The blind spot

The markup is the smallest component of card acceptance cost and the only one printed as a negotiable rate. For a merchant already priced this well, interchange is the overwhelming majority of the cost, and it is assigned automatically, transaction by transaction, by rules the merchant never sees applied.

What the audit found

Commercial and purchasing card transactions were clearing at interchange categories well above the Level 2 and Level 3 rates they qualified for. The reason was not pricing. It was submission. The enterprise resource planning system and the payment integration were not passing the fields the card networks require: tax amount, customer code, line item detail, product codes and freight.

On an $894 average ticket across more than 70 branches, the gap between a Level 3 rate and a standard commercial rate compounds into real money very quickly.

$175,204

Annual interchange lost to missing Level 2 and Level 3 data. Sixty one percent of everything the audit found, on an account whose markup was already excellent.

The rest of the findings

$70,761 a year from the discount rate moving from 10 basis points to 3.75
$23,085 a year in miscellaneous platform, address verification, regulatory and batch charges
$15,727 a year in per transaction fees

Note the ordering. The item the company had already negotiated hard, and won, was worth less than half of the item it did not know existed.

What it would take

The work is technical rather than commercial. Getting Level 3 data to flow means the fields have to exist in the order record, survive the handoff to the payment integration, and arrive with the authorization rather than after it. That usually means working with the merchant’s own systems people and the integration vendor, not just the processor.

This is why interchange optimization is so often quoted and so rarely delivered. Renegotiating a rate takes a phone call. Fixing a data path takes someone who understands both the interchange rules and the software.

What it was worth

$175,204 a year in Level 2 and Level 3 interchange
$70,761 a year on the discount rate
$23,085 a year in miscellaneous charges
$15,727 a year in per transaction fees
$284,777 total annual savings identified
Effective rate 2.45 percent, correctable to 2.21 percent

Industry context

Business to business distributors carry the largest interchange opportunity of any merchant category, and the smallest awareness of it. Their customers pay on commercial, corporate and purchasing cards, their tickets are large, and their transactions are exactly the kind the card networks built lower interchange programs to serve.

Those programs require data. Level 2 asks for a tax amount and a customer code. Level 3 asks for line item detail: descriptions, quantities, unit prices, product codes, freight and duty. The data has to arrive with the authorization, not with the settlement file, and it has to survive the trip from the order system through the integration to the gateway.

Every link in that chain is owned by a different vendor, and none of them is accountable for the interchange outcome. The enterprise system vendor sells software, the integrator sells connections and the processor sells a rate. Interchange qualification falls between all three.

Why this case matters

There is a particular trap that catches capable finance teams. They negotiate the markup, they get a strong number, and that success becomes the reason they stop looking. The better the rate, the more confident everyone is that the account has been handled.

Interchange does not care how well you negotiated. It responds to data, and data is a systems problem wearing a pricing costume.

How to check this on your own statement

1. Pull the interchange detail, not the summary

Ask your processor for a statement that lists every interchange category with transaction counts and volumes. Look for categories with standard, non qualified, EIRF or data rate in the name. Those are the downgrades.

2. Estimate the share of volume that should be commercial

Look at who your customers are. If most of them are businesses, municipalities, contractors or institutions, most of your card volume should be appearing in commercial interchange programs. If it is not, the transactions are qualifying as something else.

3. Test a single transaction end to end

Take one recent large commercial sale and trace it. Did the order record carry a tax amount and line item detail? Did the integration pass them? Did the authorization include them? A single traced transaction usually locates the break.

4. Multiply the gap by your ticket size

The cost of a downgrade scales with the transaction. On an $894 average ticket, the difference between a Level 3 rate and a standard commercial rate is worth several dollars per sale, every sale, all year.

Questions we get about this

Our rate is already excellent. Is an audit still worth it?

This case exists because the answer is often yes. A strong markup tells you the processor’s margin is small. It tells you nothing about whether your transactions are qualifying, which is where the great majority of the cost sits.

Will fixing this require replacing our enterprise system?

Almost never. In most cases the fields already exist in the order record and are simply not being mapped through to the authorization. The work is integration work, usually measured in days rather than months.

How long before the savings show up?

Interchange qualification changes take effect on the transactions processed after the fix, so the next statement shows the difference. That also makes it verifiable, which matters: a claimed interchange saving that never appears in an interchange category is not a saving.

A good rate is not the same as a good deal.

If you sell to other businesses, your interchange is almost certainly the largest number on your statement and the one nobody has checked. weAudit will check it at no cost.

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