---
title: "Marketplace Fee Waterfall Designer"
method: POST
path: "/v1/tools/138_marketplace_fee_waterfall_designer"
---

# Marketplace Fee Waterfall Designer

`POST /v1/tools/138_marketplace_fee_waterfall_designer`

## Request

- Base URL: `https://ainumbers.co`
- URL: `https://ainumbers.co/v1/tools/138_marketplace_fee_waterfall_designer`
- Auth: none declared

Model multi-party fee economics for marketplace platforms. Input gross transaction value and all fee layers; outputs per-transaction P&L waterfall, platform margin, and sensitivity table. Client-side. Zero PII.

**Tool URL:** https://ainumbers.co/tools/138-marketplace-fee-waterfall-designer.html
**AP2/Policy Mandate export:** yes

## Request body

- object

## Response `200`

Successful tool execution result

- object

---

[API](https://skmtc.dev/ainumbers/apis/ainumbers-co-fintech-intelligence-suite.md) · [All operations](https://skmtc.dev/ainumbers/apis/ainumbers-co-fintech-intelligence-suite/llms.txt) · [OpenAPI document](https://skmtc.dev/ainumbers/apis/ainumbers-co-fintech-intelligence-suite/revisions/b462e4f5bb28?raw)