---
title: "Preview the fee for a crypto transfer"
method: GET
path: "/ledger/crypto-transfer/fee"
tags: ["ledger-transfer"]
---

# Preview the fee for a crypto transfer

`GET /ledger/crypto-transfer/fee`

## Request

- Base URL: `https://external.dev.onboardpay.co`
- URL: `https://external.dev.onboardpay.co/ledger/crypto-transfer/fee`
- Auth: API key in header `x-api-key`
- TypeScript: <https://skmtc.dev/nestechops/apis/onboard-external-api-gateway/docs/ledger/crypto-transfer/fee/get.ts> (a function with typed inputs; its response is checked against the schema)

Returns the total fee `POST /crypto-transfer` will charge for this source account, token network
and amount: the network fee plus the business's withdrawal fee. The fee is charged in addition to
the amount.

## Query parameters

- `sourceAccountId` string, uuid, required
- `tokenNetworkCode` string, required
- `amount` number, required

## Response `200`

Fee for the transfer

- CryptoTransferFee
  - `feeAmount` number, required: Total fee charged in addition to the transfer amount, in the source account's currency: the network fee plus the business's withdrawal fee.

## Other responses

- `400`: Request could not be validated
- `401`: Client is not authorized to make request
- `403`: Expected permission is not available.
- `default`: Internal Server Error

## Changes

- **2026-10-23** `965e9fdf6b31`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/nestechops/apis/onboard-external-api-gateway/changes/ledger/crypto-transfer/fee/get.md)

---

[API](https://skmtc.dev/nestechops/apis/onboard-external-api-gateway.md) - [All operations](https://skmtc.dev/nestechops/apis/onboard-external-api-gateway/llms.txt) - [OpenAPI document](https://skmtc.dev/nestechops/apis/onboard-external-api-gateway/revisions/5da9ec1b2573?raw)