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POST
txpool_content
curl --request POST \
  --url https://tempo-moderato.core.chainstack.com/a25a421add2280d53fdbc23417055501/ \
  --header 'Content-Type: application/json' \
  --data '
{
  "jsonrpc": "2.0",
  "method": "txpool_content",
  "params": [],
  "id": 1
}
'
{
  "jsonrpc": "<string>",
  "id": 123,
  "result": {
    "pending": {},
    "queued": {}
  }
}
Tempo API method that returns the contents of the transaction pool. This includes both pending and queued transactions.
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​
Parameters

None.

​
Response

  • result — object containing pending and queued transactions:
    • pending — object mapping addresses to their pending transactions (keyed by nonce)
    • queued — object mapping addresses to their queued transactions (keyed by nonce)
Each transaction object contains:
  • hash — transaction hash
  • nonce — sender’s nonce
  • from — sender address
  • to — recipient address
  • value — value in wei
  • gas — gas limit
  • gasPrice — gas price
  • input — transaction data

​
txpool_content code examples

const ethers = require('ethers');
const NODE_URL = "CHAINSTACK_NODE_URL";
const provider = new ethers.JsonRpcProvider(NODE_URL);

const getTxpoolContent = async () => {
    const content = await provider.send("txpool_content", []);

    const pendingAddresses = Object.keys(content.pending);
    const queuedAddresses = Object.keys(content.queued);

    console.log(`Pending transactions from ${pendingAddresses.length} addresses`);
    console.log(`Queued transactions from ${queuedAddresses.length} addresses`);

    // Show details for pending transactions
    for (const [address, txs] of Object.entries(content.pending)) {
      console.log(`\nPending from ${address}:`);
      for (const [nonce, tx] of Object.entries(txs)) {
        console.log(`  Nonce ${nonce}: ${tx.hash}`);
        console.log(`    To: ${tx.to || 'Contract Creation'}`);
        console.log(`    Gas: ${parseInt(tx.gas, 16)}`);
      }
    }
  };

getTxpoolContent();

Body

application/json
​
jsonrpc
string
default:2.0
​
method
string
default:txpool_content
​
params
any[]
​
id
integer
default:1

Response

200 - application/json

Transaction pool content

​
jsonrpc
string
​
id
integer
​
result
object
Last modified on January 28, 2026