# Marketplace Fee Calculator (Amazon, eBay, Etsy)

> Marketplace Fee Calculator (Amazon, eBay, Etsy) is a paid API for AI agents from x402toll.com, paid per call via x402, $0.05/call, status unknown (last checked 2026-09-14).

Calculates seller fees and net payout for a sale on Amazon, eBay, or Etsy using verified 2026 standard fee schedules.

## Facts

- Endpoint: POST https://x402toll.com/v1/commerce/marketplace-fee
- Price: $0.05/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-14
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/marketplace-fee-calculator-amazon-ebay-etsy-f58428ce
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_6Bjq64t585-f01zi8EO1F

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability marketplace-fee-calculator-amazon-ebay-etsy-f58428ce -d '<json body>'
```

Example prompt: How much will I net after fees if I sell a $79.99 item on Etsy with $5 shipping charged to the buyer?

## When to prefer this

Use this endpoint when you need accurate, current (2026) fee breakdowns for Amazon, eBay, or Etsy — especially when comparing net payout across marketplaces or verifying fees before listing. Prefer this over generic fee estimator tools when you need the exact fee components (referral %, final value fee, listing + transaction + processing) separately itemized.

## Known failure modes

- Invalid or missing salePrice returns a validation error
- Unsupported marketplace value outside amazon/ebay/etsy returns an enum validation error
- Negative salePrice or shippingCharged may return a 400 bad request
- referralPct override outside valid range may be rejected

## How this service works

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).

## Output

Returns itemized seller fees (e.g. referral %, final value fee, listing fee, transaction fee, payment processing fee) and the net payout the seller receives after all deductions, based on the 2026 verified fee schedule for the selected marketplace.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "properties": {
  "salePrice": {
   "type": "number"
  },
  "marketplace": {
   "enum": [
    "amazon",
    "ebay",
    "etsy"
   ],
   "type": "string",
   "default": "amazon"
  },
  "referralPct": {
   "type": "number",
   "description": "Amazon only — override the 15% default for your category"
  },
  "shippingCharged": {
   "type": "number",
   "default": 0
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/marketplace-fee-calculator-amazon-ebay-etsy-f58428ce/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from x402toll.com](https://www.zero.xyz/host/x402toll.com/llms.txt)