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Stripe Fee Auditor
Ksantor · 2026-06-23 · via Hacker News: Show HN

$12 one-time unlock for the full report · Free preview first. Analyze my CSV →

The problem

Upload your Stripe Balance CSV and see whether your fee rate is normal, what is driving it up, and how much refunds may be leaking from margin.

No Stripe API access

Raw CSV never stored

No account signup

Usually under 30 seconds

Independent feedback

“Focused single-purpose tool with a compelling privacy differentiator.”

Assaf Sheinrok, Founder of PagePulse · PagePulse

CSV upload, not OAuth

Many fee tools ask for permanent read access to your Stripe account — transactions, customers, payouts. We never connect to Stripe: you export a Balance CSV, upload it, get the report. Raw CSV is processed in memory and not stored as a file.

Stripe Fee Auditor

OAuth-based tools

Stripe credentialsStripe credentials

Stripe Fee Auditor

Never stored — no API keys

OAuth-based tools

Stored on vendor servers

Access after analysisAccess after analysis

Stripe Fee Auditor

No ongoing connection

OAuth-based tools

Permanent until you revoke OAuth

Data you shareData you share

Stripe Fee Auditor

Only what you export in CSV

OAuth-based tools

Full account via API

Typical costTypical cost

Stripe Fee Auditor

$12 one-time per report · free preview first

OAuth-based tools

$39–149/mo subscriptions

The solution

One upload turns your Balance CSV into plain-English metrics — no OAuth, no permanent Stripe access.

Example output

The report turns a raw Balance CSV into a plain-English answer to: is this rate normal, what is driving it up, and what should I look at first?

Calculator vs reality

Fee calculators estimate. Your Stripe CSV tells the truth.

A calculator is useful before you sell. Once payments are live, your Balance export shows the real mix: international cards, refunds, small charges, payout fees, and monthly drift.

Fee calculator

Estimate the published cost

2.9% + $0.30

  • Uses product price and rough assumptions
  • Good before you launch or change pricing
  • Misses refunds, card mix, add-ons, and real monthly drift

CSV fee audit

Check what you actually paid

3.82% / 4.02%

  • Uses your itemized Stripe Balance export
  • Separates processing rate from all-in Stripe cost
  • Shows fee drivers, unusual charges, and savings ideas

What the report tells you

Not just a number — a full breakdown

RATE

Processing rate vs all-in cost

Separate the card/charge processing rate from the all-in Stripe cost rate across refunds, payouts, disputes, and other fee lines.

BENCH

Is your rate normal?

A rough benchmark range for your transaction mix, so you can see whether your rate is expected or unusually high.

WHY

Why your rate is higher

International cards, small transactions, Amex, currency conversion — pinpointed by transaction.

REFUND

Refund fee leakage

Estimate how much retained processing fees on refunds are quietly eating into margin.

SAVE

Savings opportunities

Directional annual estimates for ACH, local payments, or bundling — prioritization, not guaranteed savings.

In real Stripe exports

What we often find

Not always a problem — often mix, refunds, or small-ticket math worth a second look.

International cards quietly adding cross-border fees

Small $5-$20 charges where the fixed $0.30 fee dominates

Months where your fee rate jumped without an obvious reason

Large B2B invoices that could be cheaper via ACH

A 4.5% blended rate that may be normal — or a sign something is leaking margin

Is it worth it?

When a fee audit is useful — and when to skip it

Start with a free preview — headline rate, top drivers, and a teaser. The $12 unlock is for founders who want line-level drivers, refund leakage, monthly detail, exports, and specific savings ideas.

Worth checking

  • You process more than a few thousand dollars per month
  • Your customers are international or pay in multiple currencies
  • You have many $5-$20 monthly charges
  • You refund customers often and want to see retained fee impact

Probably okay to skip

  • You only have a handful of Stripe transactions
  • All customers are domestic and high-ticket
  • You only need a rough blended rate you can calculate in Excel
  • You need accounting or tax advice instead of a fee audit

What you'll discover

Processing rate

3.24%

Weighted avg across charges

All-in cost rate

3.49%

Includes other fee lines

Benchmark verdict

Normal

Normal range for your mix

Refund leakage

~$91

Estimated retained fees

How it works

Three steps to clarity

1

Export your CSV

Stripe Dashboard → Reports → Balance summary → Export → Itemized → Download to system. Takes about a minute. No API access needed.

2

Drop it here

Raw CSV is never stored. Upload once for a free preview immediately — no card required. Unlock the full report for $12 when you want anomalies, exports, and savings actions.

3

See your real rate

Processing rate, all-in cost, fee mix chart, monthly timeline, benchmark, anomalies when your volume allows, and savings ideas.

Next: Fee Monitor

Want to know when your fee rate gets worse next month?

We are validating monthly Stripe fee monitoring without OAuth: private report history, month-over-month comparisons, and reminders from CSV exports you control.

  • Compare this month vs your previous CSV audit
  • Get a reminder when it is time to check fees again
  • No permanent Stripe connection in the first version

Join Fee Monitor waitlist →

Pricing

Simple access to your report

Free preview

No card required

Headline processing and all-in rates, top fee drivers, monthly timeline, and a teaser — enough to reconcile against Stripe before you pay.

Full report

$12 one-time

All unusual charges with explanations, savings actions, monthly detail, CSV export, and print-ready report — private link for 30 days.

Refund available if payment succeeds but the report does not unlock.