POST

Advanced Wallets - Accelerate Transaction

Send a new transaction to accelerate the targeted unconfirmed transaction either by using Child-Pays-For-Parent (CPFP) or Replace-By-Fee (RBF).

Retrieves the private key from KMS using the provided public key, then signs and broadcasts the transaction.

Use this endpoint only with advanced wallets. For other wallet types, use Accelerate Transaction.

Path Params

walletId string required
coin string required

Body Params

object

pubkey string required

Public key used for signing the acceleration transaction.
source string enum required

The key to use for signing the transaction.

userbackup
cpfpTxIds array of strings
cpfpFeeRate number

Fee rate in satoshis per byte for the CPFP transaction. Higher fee rates result in faster confirmations but higher transaction costs.
maxFee number

Maximum fee in satoshis for the acceleration transaction. Helps prevent overpaying for transaction acceleration.
rbfTxIds array of strings
feeMultiplier number

Fee multiplier for RBF transactions. The new fee will be the original fee multiplied by this value.

Responses

200

Response Body

object

Successful acceleration response.

txid string required

The transaction ID (hash) of the acceleration transaction. This can be used to track the transaction on a block explorer.
tx string required

The full signed transaction in hexadecimal format. This transaction can be broadcast to the network.

400

Bad Request

Response Body

object

error string required

The error name
details string required

Error details

404

Not Found

Response Body

object

error string required

The error name
details string required

Error details

409

Conflict

Response Body

object

error string required

The error name
details string required

Error details

422

Unprocessable Entity

Response Body

object

error string required

The error name
details string required

Error details

500

Internal Server Error

Response Body

object

error string required

The error name
details string required

Error details

501

Not Implemented

Response Body

object

error string required

The error name
details string required

Error details

curl --request POST \ --url 'http://localhost:3080/api/v1/coin/advancedwallet/walletId/accelerate' \ --header 'accept: application/json' \ --header 'Authorization: Bearer YOUR_ACCESS_TOKEN' \ --header 'content-type: application/json' \ --data '{,"pubkey":"xpub661MyMwAqRbcGCNnmzqt3u5KhxmXBHiC78cwAyUMaKJXpFDfHpJwNap6qpG1Kz2SPexKXy3akhPQz7GDYWpHNWkLxRLj6bDxQSf74aTAP9y","source":"user","cpfpTxIds":["abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234"],"cpfpFeeRate":0,"maxFee":0,"rbfTxIds":["abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234"],"feeMultiplier":0}'

require 'uri' require 'net/http' url = URI("http://localhost:3080/api/v1/coin/advancedwallet/walletId/accelerate") http = Net::HTTP.new(url.host, url.port) request = Net::HTTP::Post.new(url) request["accept"] = 'application/json' request["Authorization"] = 'Bearer YOUR_ACCESS_TOKEN' request["content-type"] = 'application/json' request.body = '{,"pubkey":"xpub661MyMwAqRbcGCNnmzqt3u5KhxmXBHiC78cwAyUMaKJXpFDfHpJwNap6qpG1Kz2SPexKXy3akhPQz7GDYWpHNWkLxRLj6bDxQSf74aTAP9y","source":"user","cpfpTxIds":["abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234"],"cpfpFeeRate":0,"maxFee":0,"rbfTxIds":["abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234"],"feeMultiplier":0}' response = http.request(request) puts response.read_body

<?php require_once('vendor/autoload.php'); $client = new \GuzzleHttp\Client(); $response = $client->request('POST', 'http://localhost:3080/api/v1/coin/advancedwallet/walletId/accelerate', [ 'headers' => [ 'accept' => 'application/json', 'Authorization' => 'Bearer YOUR_ACCESS_TOKEN', 'content-type' => 'application/json', ], 'body' => '{,"pubkey":"xpub661MyMwAqRbcGCNnmzqt3u5KhxmXBHiC78cwAyUMaKJXpFDfHpJwNap6qpG1Kz2SPexKXy3akhPQz7GDYWpHNWkLxRLj6bDxQSf74aTAP9y","source":"user","cpfpTxIds":["abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234"],"cpfpFeeRate":0,"maxFee":0,"rbfTxIds":["abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234"],"feeMultiplier":0}', ]); echo $response->getBody();

import requests url = "http://localhost:3080/api/v1/coin/advancedwallet/walletId/accelerate" payload = {,"pubkey":"xpub661MyMwAqRbcGCNnmzqt3u5KhxmXBHiC78cwAyUMaKJXpFDfHpJwNap6qpG1Kz2SPexKXy3akhPQz7GDYWpHNWkLxRLj6bDxQSf74aTAP9y","source":"user","cpfpTxIds":["abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234"],"cpfpFeeRate":0,"maxFee":0,"rbfTxIds":["abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234"],"feeMultiplier":0} headers = { "accept": "application/json", "Authorization": "Bearer YOUR_ACCESS_TOKEN", "content-type": "application/json" } response = requests.post(url, json=payload, headers=headers) print(response.text)

{ "tx": "01000000000101edd7a5d948a6c79f273ce686a6a8f2e96ed8c2583b5e77b866aa2a1b3426fbed0100000000ffffffff02102700000000000017a914192f23283c2a9e6c5d11562db0eb5d4eb47f460287b9bc2c000000000017a9145c139b242ab3701f321d2399d3a11b028b3b361e870247304402206ac9477fece38d96688c6c3719cb27396c0563ead0567457e7e884b406b6da8802201992d1cfa1b55a67ce8acb482e9957812487d2555f5f54fb0286ecd3095d78e4012103c92564575197c4d6e3d9792280e7548b3ba52a432101c62de2186c4e2fa7fc580000000000", "txid": "abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234abcd1234" }