eth_blockNumber

Returns the number of the most recent block.

Parameters

None.

Returns

QUANTITY — Integer of the current block number the client is on.

Request

curl -X POST https://eth-mainnet.blockreq.com/v1/rpc/public \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","method":"eth_blockNumber","params":[],"id":1}'

Response

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": "0x134e82a"
}

Code Examples

JavaScript (ethers.js v6)

import { JsonRpcProvider } from "ethers";
const provider = new JsonRpcProvider("https://eth-mainnet.blockreq.com/v1/rpc/YOUR_API_KEY");
const blockNumber = await provider.getBlockNumber();
console.log("Latest block:", blockNumber);

Python (web3.py)

from web3 import Web3
w3 = Web3(Web3.HTTPProvider("https://eth-mainnet.blockreq.com/v1/rpc/YOUR_API_KEY"))
print("Latest block:", w3.eth.block_number)

RU Cost

Method	Cost
eth_blockNumber	5 RU