author_pendingExtrinsics

Returns all pending extrinsics in the transaction pool on Kusama.

Use Cases

• Mempool monitoring - Track pending transactions
• Transaction status - Check if your transaction is pending for parachain experimentation, early feature deployment, and production-grade testing with real value
• Pool analysis - Monitor network activity

Parameters

This method accepts no parameters.

Request

{
  "jsonrpc": "2.0",
  "method": "author_pendingExtrinsics",
  "params": [],
  "id": 1
}

Code Examples

cURL

curl  \
  -X POST \
  -H "Content-Type: application/json" \
  -d '{
    "jsonrpc": "2.0",
    "method": "author_pendingExtrinsics",
    "params": [],
    "id": 1
  }'

JavaScript

import { ApiPromise, WsProvider } from '@polkadot/api';

const provider = new WsProvider('');
const api = await ApiPromise.create({ provider });

const pending = await api.rpc.author.pendingExtrinsics();
console.log('Pending extrinsics:', pending.length);

pending.forEach((ext, idx) => {
  console.log(`${idx}: ${ext.method.section}.${ext.method.method}`);
});

await api.disconnect();

Related Methods

• author_submitExtrinsic - Submit transaction