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latestOpenAPI 3.0.32026-08-224982,0272.8 MB

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Transfer

Change Fee

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
post/api/v2/{coin}/wallet/{walletId}/tx/changeFee

Path parameters

coinstring required

A cryptocurrency symbol or token ticker symbol

Example:btc
walletIdstring required
Example:59cd72485007a239fb00282ed480da1f

Request body

txidstring required

Transaction ID of the transaction for which we are changing the fee for.

feenumber

The new fee for the transaction.

txTypestring

Use txType to change fee of address initialization transaction for V5 wallets

Example request

{
  "txid": "b8a828b98dbf32d9fd1875cbace9640ceb8c82626716b4a64203fdc79bb46d26",
  "txType": "AddressInitialization"
}

Response

OK

txidstring

Transaction ID of the newly created transaction with increased fee rate.

Example response

{
  "txid": "59cd72485007a239fb00282ed480da1f"
}