---
title: "Seller fees and net payout for Amazon, eBay, and Etsy at their verified 2026 standard fee schedules (Amazon referral %, eBay final value fee, Etsy listing + transaction + processing)."
method: POST
path: "/v1/commerce/marketplace-fee"
tags: ["Commerce"]
---

# Seller fees and net payout for Amazon, eBay, and Etsy at their verified 2026 standard fee schedules (Amazon referral %, eBay final value fee, Etsy listing + transaction + processing).

`POST /v1/commerce/marketplace-fee`

## Request

- Base URL: `` (relative, and it does not resolve against the document’s source URL)
- URL: `/v1/commerce/marketplace-fee`
- Auth: none declared

Seller fees and net payout for Amazon, eBay, and Etsy at their verified 2026 standard fee schedules (Amazon referral %, eBay final value fee, Etsy listing + transaction + processing).

Payment: x402 ($0.05 USDC on eip155:8453). Call unpaid to receive an HTTP 402 with requirements, then retry with the PAYMENT-SIGNATURE header. Method: Amazon: max(price*referral%, $0.30); eBay: (price+ship)*13.6% + per-order; Etsy: $0.20 + 6.5% + (3% + $0.25)

## Request body

- object
  - `marketplace` 'amazon' | 'ebay' | 'etsy', required
  - `salePrice` number, required
  - `shippingCharged` number
  - `referralPct` number: Amazon only — override the 15% default for your category

## Response `200`

Verified result + provenance (formula, sources, reproducible SHA-256 hash).

## Other responses

- `400`: Invalid input (no charge) — body echoes the JSON Schema.
- `402`: Payment required — PAYMENT-REQUIRED header carries the x402 accepts[] quote.

---

[API](https://skmtc.dev/x402toll/apis/tollbooth-verified-calculators-for-ai-agents.md) · [All operations](https://skmtc.dev/x402toll/apis/tollbooth-verified-calculators-for-ai-agents/llms.txt) · [OpenAPI document](https://skmtc.dev/x402toll/apis/tollbooth-verified-calculators-for-ai-agents/revisions/60cb70a3e1a5?raw)