Cat-13 · T138 · B2B Payments & Accounts Payable
v1.0

Marketplace Fee Waterfall Designer

Model multi-party fee economics for marketplace platforms. Input gross transaction value and all fee layers — PSP, acquirer, scheme, currency conversion, platform take rate, and VAT — to produce a per-transaction P&L waterfall and sensitivity table.

B2B Payments Zero PII Client-Side
Scope & reliance — 🔒 All inputs are processed locally in your browser. No data is transmitted. Do not enter real personal data — use synthetic or anonymised inputs only. Embedded rates, thresholds, and regulatory citations are static reference values — verify against current primary sources before relying on outputs for commercial or compliance decisions. Deterministic logic · no inference · zero PII · CC BY 4.0.
Transaction Parameters
USD · per transaction
Scheme fees apply · base rate adjusts
e.g. 2.20 = 2.20% of GTV
Acquirer spread over interchange
e.g. 0.10 = Visa/MC assessment
Seller fee charged by platform
Platform cost deducted from take rate
Applied to platform commission only
0 if same currency settlement