---
title: "Get Withdrawal Fee Estimate"
method: POST
path: "/wallets/send/initiate/onchain/fee-estimate"
---

# Get Withdrawal Fee Estimate

`POST /wallets/send/initiate/onchain/fee-estimate`

## Request

- Base URL: `https://www.sandbox.striga.com/api/v1`
- URL: `https://www.sandbox.striga.com/api/v1/wallets/send/initiate/onchain/fee-estimate`
- Auth: API key in header `api-key` and API key in header `Authorization`

Get a fee estimate for an onchain withdrawal without triggering a withdrawal

## Headers

- `api-key` string, required
- `Authorization` string, required

## Request body

- object
  - `userId` string, required: The Id of the user who is sending this transaction
  - `sourceAccountId` string, required: The Id of the account to debit
  - `whitelistedAddressId` string, required: The Id of the whitelisted destination
  - `amount` string, required: The amount denominated in the smallest divisible unit of the sending currency. For example: cents or satoshis
  - `fixedFee` string: Optional fixedFee in Euro cents to override the default application fee configuration. This amount can only be <= the default configured amount for this transaction type.
  - `percentFeeBps` string: Optional percentage fee in bps to override the default application fee configuration. This amount can only be <= the default configured amount for this transaction type.

## Response `200`

200

- object
  - `totalFee` string
  - `networkFee` string
  - `ourFee` string
  - `theirFee` string
  - `feeCurrency` string
  - `gasLimit` string
  - `gasPrice` string
  - `fixedFeeDetails` object
    - `amount` string
    - `exchangeRate` string
    - `appliedFeeCents` string
  - `percentageFeeDetails` object
    - `amount` string
    - `appliedFeeBps` string

## Other responses

- `403`: 403

## Changes

- **2026-11-03** `0541ed1923c1`: 1 info
  - added the non-success response with the status `403`

[Operation history](https://skmtc.dev/striga/apis/striga-v1/changes/wallets/send/initiate/onchain/fee-estimate/post.md)

---

[API](https://skmtc.dev/striga/apis/striga-v1.md) - [All operations](https://skmtc.dev/striga/apis/striga-v1/llms.txt) - [OpenAPI document](https://skmtc.dev/striga/apis/striga-v1/revisions/0541ed1923c1?raw)