---
title: "Change Fee"
method: POST
path: "/api/v2/{coin}/wallet/{walletId}/tx/changeFee"
tags: ["Transfer"]
---

# Change Fee

`POST /api/v2/{coin}/wallet/{walletId}/tx/changeFee`

Change the fee rate of a transaction in an attempt to accelerate its confirmation.
Supported by: ETH, ERC20 tokens, CELO, RSK, ETC

Requirements:
- Transaction gas price must increase by at least 10 Gwei or 20% higher than the original transaction fee
- At least 15 minutes must have passed since original send

## Path parameters

- `coin` string, required — A cryptocurrency symbol or token ticker symbol
- `walletId` string, required

## Request body

- object
  - `txid` string, required — Transaction ID of the transaction for which we are changing the fee for.
  - `fee` number — The new fee for the transaction.
  - `eip1559` object — EIP-1559 transaction parameters
    - `maxFeePerGas` number, required
    - `maxPriorityFeePerGas` number, required
  - `txType` string — Use `txType` to change fee of address initialization transaction for V5 wallets

## Response `200`

OK

- ChangeFeeResponse
  - `txid` string — Transaction ID of the newly created transaction with increased fee rate.

## Other responses

- `400` — Bad Request

---

[API](https://skmtc.net/bitgo/apis/bitgo-api.md) · [All operations](https://skmtc.net/bitgo/apis/bitgo-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/bitgo/bitgo-api/revisions/e445c15e5bee/schema)