# Fee estimator (https://sellersheetai.com/docs/mcp-api/workflows/fees)

> Estimate Amazon's referral and FBA fees for a price before you list or reprice — one item or a batch — by conversation or by code.



<Callout title="In short">
  Name a price; your agent returns Amazon's own fee estimate — referral fee, FBA fee and the total — so the margin is known before you list, reprice or send stock.
</Callout>

## In your daily workflow [#in-your-daily-workflow]

* **One ASIN** — `productFees_getMyFeesEstimateForASIN` estimates the fees for any ASIN at a price you give.
* **Your SKU** — `productFees_getMyFeesEstimateForSKU` does the same for one of your own listings.
* **A whole list** — `productFees_getMyFeesEstimates` estimates many items in one call; your agent writes them to your sheet beside your costs.

## Try asking [#try-asking]

> "If I price this SKU at 29.99, what are the referral and FBA fees, and my net margin?"

> "Estimate Amazon fees for B0EXAMPLE1 at 29.99."

> "Calculate fees for all my FBA products at their current prices."

## An estimate, both ways [#an-estimate-both-ways]

**MCP** — you ask: "What would Amazon charge on B0EXAMPLE1 at 29.99, fulfilled by Amazon?" Your agent calls `productFees_getMyFeesEstimateForASIN`.

<ToolCall tool="productFees_getMyFeesEstimateForASIN" args="{ asin: &#x22;B0EXAMPLE1&#x22;, price: 29.99, isFba: true }" />

## Tools on this page [#tools-on-this-page]

<ToolList tools="[&#x22;productFees_getMyFeesEstimateForASIN&#x22;, &#x22;productFees_getMyFeesEstimateForSKU&#x22;, &#x22;productFees_getMyFeesEstimates&#x22;]" />

## FAQ [#faq]

### Are these the fees Amazon will actually charge? [#are-these-the-fees-amazon-will-actually-charge]

They are Amazon's own estimate for that price. What was really charged on an order is in [Financial reports](/docs/mcp-api/workflows/financials).

### What price wins the Buy Box? [#what-price-wins-the-buy-box]

See [Competitive pricing](/docs/mcp-api/workflows/pricing).