eth_getBlockTransactionCountByNumber | Monad

Monad API method that returns the number of transactions in a block matching the given block number. This method allows you to quickly check the transaction count for any block by its number.

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Parameters

• quantity|tag — the block number as a hexadecimal string, or one of the following block tags:
  • latest — the most recent block in the canonical chain
  • earliest — the genesis block
  • pending — the pending state/transactions

Response

• result — the number of transactions in the block, encoded as hexadecimal.

eth_getBlockTransactionCountByNumber code examples

ethers.js

const { ethers } = require("ethers");

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

async function getBlockTransactionCount() {
  const blockNumber = "latest"; // Or use hex like "0x1234"
  const count = await provider.send("eth_getBlockTransactionCountByNumber", [blockNumber]);
  console.log(`Transaction count: ${parseInt(count, 16)}`);
}

getBlockTransactionCount();

Use case

A practical use case for eth_getBlockTransactionCountByNumber is analyzing network throughput over time by sampling transaction counts across multiple blocks, which helps understand network congestion patterns.