---
title: "Preview BTC trade fee"
method: GET
path: "/money/trades/btc/fee_preview"
tags: ["money", "trades"]
---

# Preview BTC trade fee

`GET /money/trades/btc/fee_preview`

Computes the platform fee + indicative economics of a BTC buy/sell. Read-only; no persistence.

## Query parameters

- `usdc_amount` string, required
- `direction` 'buy' | 'sell', required
- `btc_quantity` string

## Response `200`

OK

- TradesPreviewBtcTradeFeeOutput
  - `below_minimum` boolean
  - `estimated_quantity` string
  - `estimated_quantity_view` MoneyfmtMoneyAmountView
    - `float` number, double, required
    - `formatted` MoneyfmtFormattedMoneyAmountView, required
      - `compact` string, required
      - `currency_sign` string, required
      - `currency_sign_position` string, required
      - `full` string, required
    - `precise` string, required
    - `symbol` string, required
    - `zero` boolean, required
  - `fee` string
  - `fee_view` MoneyfmtMoneyAmountView
    - `float` number, double, required
    - `formatted` MoneyfmtFormattedMoneyAmountView, required
      - `compact` string, required
      - `currency_sign` string, required
      - `currency_sign_position` string, required
      - `full` string, required
    - `precise` string, required
    - `symbol` string, required
    - `zero` boolean, required
  - `gross_proceeds` string
  - `gross_proceeds_view` MoneyfmtMoneyAmountView
    - `float` number, double, required
    - `formatted` MoneyfmtFormattedMoneyAmountView, required
      - `compact` string, required
      - `currency_sign` string, required
      - `currency_sign_position` string, required
      - `full` string, required
    - `precise` string, required
    - `symbol` string, required
    - `zero` boolean, required
  - `net_proceeds` string
  - `net_proceeds_view` MoneyfmtMoneyAmountView
    - `float` number, double, required
    - `formatted` MoneyfmtFormattedMoneyAmountView, required
      - `compact` string, required
      - `currency_sign` string, required
      - `currency_sign_position` string, required
      - `full` string, required
    - `precise` string, required
    - `symbol` string, required
    - `zero` boolean, required
  - `rate_label` string
  - `trade_amount` string
  - `trade_amount_view` MoneyfmtMoneyAmountView
    - `float` number, double, required
    - `formatted` MoneyfmtFormattedMoneyAmountView, required
      - `compact` string, required
      - `currency_sign` string, required
      - `currency_sign_position` string, required
      - `full` string, required
    - `precise` string, required
    - `symbol` string, required
    - `zero` boolean, required

## Other responses

- `default` — Error response.

---

[API](https://skmtc.net/stablesea/apis/stable-sea-backend.md) · [All operations](https://skmtc.net/stablesea/apis/stable-sea-backend/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/stablesea/stable-sea-backend/revisions/3feea260296c/schema)