The weAudit Gateway Scorecard · No. 6
PayPal Payflow Pro Review: Fees, Level 3 Burden, and Our Rating
The gateway carrying the most trusted name in online payments, graded the way we grade everything: by what it actually costs merchants.
3.5
out of 10
Last updated July 2026
30
Fields your side must get right on every Level 3 transaction
Payflow Pro has no data enhancement. It cannot auto-populate anything. To qualify for Level 3 interchange rates, the merchant, or their integrated CRM or shopping cart, must correctly populate roughly 30 fields on every transaction, and the punishment for getting it wrong is a silent downgrade to some of the highest interchange categories on the table. With the card networks changing rates and rules every April and October, keeping this gateway current is not a task. It is somebody’s job. And when nobody owns that job, we have found the miss adding more than 1% to the overall rate, with merchants losing millions a year to what most would consider a simple thing.
The Paper Trail
Who Owns Payflow?
1990s
Born as the Signio gateway
2005
PayPal buys VeriSign’s gateway business
$370 million
2024
PayPal announces deprecation
Sunset date pending
A Gateway on Borrowed Time
PayPal has announced deprecation for Payflow Pro. Platforms are already removing the integration, and PayPal has told partners the gateway will stop working once a sunset date is named. The fees have not stopped. The countdown has started. Sit with that for a moment.
Follow the Money
The $370 Million Question
PayPal paid $370 million for VeriSign’s payment gateway business in 2005. Nobody spends $370 million out of generosity. That price was a calculation: monthly fees and dimes per transaction flowing from hundreds of thousands of merchants who set it up once and never looked at it again. For twenty years, those merchants have been paying the deal back.
So ask the question nobody asks: how much did this gateway earn on merchants over two decades for the buyer to now feel comfortable throwing the platform away? Harvest, then sunset, is what the end of the payment plan looks like. When a payments company changes hands, the merchants become the payment plan. With Payflow, the plan has simply reached its final installment.
The Popularity Trap
Why Do So Many Merchants Run Payflow?
Simple: it says PayPal on it. When merchants set up their online store years ago, Payflow came pre-integrated in nearly every shopping cart, it carried the most trusted consumer name in online payments, and it added the PayPal button that customers recognize. The web developer picked it, the store went live, and payments have run through it ever since.
Here is the problem. The web developers who set it up were not interchange experts. They judged the gateway by brand trust and integration ease, not by what it does to your rates, and they had no idea what the missing data enhancement would cost the company in interchange downgrade fees. Those fees never show up in the developer’s world. They show up year after year, buried in your processing statement, on a gateway nobody has re-evaluated since the site launched.
The Scorecard
How Payflow Pro Scores
Interchange
2/10
Thirty Fields, Zero Help
Interchange makes up over 80% of total processing costs, and Payflow Pro “supports” Level 2 and Level 3 the way a highway supports a car with no driver. There is no data enhancement and no auto-population: your team or your integrated systems must supply roughly 30 correct fields per transaction, forever, through rule changes every April and October. Miss the fields and the transaction quietly downgrades. In our audits, this one gap adds more than 1% to some merchants’ overall rate. On real B2B volume, that is not a leak. That is a flood.
Deprecation
2/10
Marked for Demolition
PayPal has formally announced deprecation for Payflow Pro and Payments Pro. Software platforms are dropping the integration, and the official guidance to partners is that the gateway stops working once the sunset date is announced. Meanwhile the $25 monthly fee and 10 cents per transaction keep billing, stacked on top of whatever your processor charges. You are paying rent, in full, on a building with a demolition notice on the door.
Legacy Tech
3/10
Frozen in Time
A platform on the deprecation list does not get investment, and it shows. The architecture dates to the dial-up era of the Signio and VeriSign days, modern features arrive elsewhere first or never arrive here, and every dollar PayPal spends on payments goes to the products it is migrating merchants toward. Nobody renovates a building they have scheduled for demolition, and nobody should expect this gateway to keep pace with interchange rules that change twice a year.
Credit Where Due
6/10
Openness and the PayPal Button
Credit where it is due: Payflow was genuinely open by design. It works with almost any merchant account and any major processor, which spared merchants the lock-in that defines so many gateways, and the built-in PayPal and PayPal Credit buttons still convert real sales. That openness deserved a longer life. But an ecosystem that is actively packing up caps how much credit openness can earn, because a gateway is only as good as its future.
“Your gateway has a sunset date. Your fees don’t.”
Beyond the Scorecard
Are You Even on the Right Gateway?
A scorecard tells you about the gateway. An audit tells you about YOUR gateway, on your card mix, your industry, and your statements. Every weAudit engagement reveals:
✓Whether you are on the right payment gateway for your business, or quietly paying for the wrong one
✓Missed interchange qualifications and forced downgrades
✓Incorrect setups: interchange flags, MCC codes, shopping carts, and gateways
✓Hidden, inflated, and made up fees buried in your statement
✓Processor markups and kept interchange rebates
✓PCI non-compliance fees you may not even owe
✓Contract traps: auto renewals, exit penalties, and terms working against you
✓Incorrect MCC codes costing you specialty interchange rates
✓And much more. If it is on your statement, we audit it.
Common Questions
Payflow Pro FAQ
Does Payflow Pro support Level 2 and Level 3 processing?
PayPal says it “supports” Level 2 and Level 3, but support is not delivery. There is no data enhancement and no auto-population: your team or your integrated CRM must correctly populate roughly 30 fields on every transaction, and keep that mapping current through interchange rule changes every April and October. Miss it and transactions silently downgrade. In our audits, this gap adds more than 1% to some merchants’ overall rate, with losses running into the millions across a year.
How much does Payflow Pro cost?
The published gateway pricing is $25 per month plus 10 cents per transaction, with fraud tools and other features available at additional cost. None of that replaces your processor’s charges. It stacks on top. The bigger cost is not on the price sheet at all: it is the interchange lost to missing data enhancement, which routinely dwarfs the gateway fees themselves.
Is Payflow Pro being discontinued?
PayPal has announced deprecation for Payflow Pro and Payments Pro, and partners have been told the gateways will stop working once PayPal announces the sunset date. Software platforms are already removing the integration. If you run on Payflow, a migration is coming whether you plan it or not, and the merchants who come out ahead are the ones who audit their statements and choose their next gateway deliberately instead of accepting whatever the migration notice suggests.
Who owns Payflow?
PayPal, which acquired the gateway as part of its $370 million purchase of VeriSign’s payment gateway business in 2005. The technology traces back to Signio in the late 1990s. Twenty years of merchant fees later, PayPal is winding the platform down in favor of its newer products.
Should I switch away from Payflow Pro?
By PayPal’s own roadmap, yes, eventually everyone will have to. The real question is where you land, and that depends on your card mix and volume, which is exactly what an audit determines. For B2B merchants, the answer is usually a data-enhanced gateway that fixes Level 3 automatically on the back end, so qualification never depends on 30 fields and a maintenance calendar. Upload a statement and we will map your exit before PayPal maps it for you.
Are You Paying the Legacy Tax?
If your payments still run through Payflow Pro, two clocks are ticking: the interchange you lose every month to missing data enhancement, and PayPal’s pending sunset date. A forced migration is coming either way. The merchants who win are the ones who audit before they choose the next gateway, not after. Upload a statement and we will show you, line by line. No obligation. Just answers.
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Written by the team at weAudit, founded by a Former Executive for the World’s Largest Credit Card Processor. Forbes Business Council. Entrepreneur Contributor.
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