---
title: "Estimate network fee"
method: POST
path: "/blockchain_transfer/withdrawals/{blockchain}/estimate_network_fee"
---

# Estimate network fee

`POST /blockchain_transfer/withdrawals/{blockchain}/estimate_network_fee`

## Request

- Base URL: `https://api-sandbox.straitsx.com/v1`
- URL: `https://api-sandbox.straitsx.com/v1/blockchain_transfer/withdrawals/{blockchain}/estimate_network_fee`
- Auth: API key in header `X-XFERS-APP-API-KEY`

[Available in Production/Sandbox environment] Estimate the network fee for a blockchain withdrawal on the specified blockchain.

## Path parameters

- `blockchain` string, required

## Headers

- `X-XFERS-APP-API-KEY` string, required
- `X-PUBLIC-KEY-ID` string
- `X-TIMESTAMP` string
- `X-NONCE` string
- `X-SIGNATURE` string

## Response `200`

200

- object
  - `data` object
    - `id` string: Network fee ID.
    - `type` string: Request type.
    - `attributes` object
      - `blockchain` string: Token and network combination for the transaction.
      - `estimatedNetworkFee` string: Estimated amount required to cover the blockchain network fee.
      - `estimatedNetworkFeeCurrency` string: Currency in which the fee is charged.

---

[API](https://skmtc.dev/straitsx/apis/straitsx-sandbox-base-url.md) - [All operations](https://skmtc.dev/straitsx/apis/straitsx-sandbox-base-url/llms.txt) - [OpenAPI document](https://skmtc.dev/straitsx/apis/straitsx-sandbox-base-url/revisions/d17239d67150?raw)