blockchainAddressGetMempool

Overview

The blockchain.address.get_mempool method retrieves the unconfirmed transactions associated with a Bitcoin Cash or Nexa address. This allows users to view pending transactions that have not yet been included in a block, providing insights into upcoming transactions.

Parameters

Name	Type	Required	Description
address	string	Yes	The Bitcoin Cash or Nexa address in Cash Address format or legacy format.
filter	string	No	Specifies which UTXOs are included. Options: 'include_tokens', 'tokens_only', 'exclude_token'.

Returns

The method returns an array of unconfirmed transactions for the specified address.

Field	Description
unconfirmed_txs	List of unconfirmed transactions with details such as transaction hash, inputs, and outputs.

Example Result

{
  "unconfirmed_txs": [
    {
      "tx_hash": "b6f6998abc08195f5b..."
    },
    {
      "tx_hash": "a2c8579bfcc32e..."
    }
  ]
}

Request Example

curl --location 'https://api.tatum.io/v3/blockchain/node/rostrum-mainnet/' \
--header 'Content-Type: application/json' \
--header 'x-api-key: {API_KEY}' \
--data '{
    "method": "blockchain.address.get_mempool",
    "params": ["qpm2qsznhks23z7629mms6s4cwef74vcwvy22gdx6a", "include_tokens"],
    "id": 1,
    "jsonrpc": "2.0"
}'

// yarn add @tatumio/tatum

import { TatumSDK, Rostrum, Network } from "@tatumio/tatum";

const rostrum = await TatumSDK.init<Rostrum>({ network: Network.ROSTRUM_MAINNET });

const mempoolTransactions = await tatum.rpc.getMempoolTransactions({
  address: "qpm2qsznhks23z7629mms6s4cwef74vcwvy22gdx6a",
  filter: "include_tokens"
});

console.log('Mempool Transactions:', mempoolTransactions);

await rostrum.destroy(); // Destroy Tatum SDK - needed for stopping background jobs when done