eth_chainId

Returns the chain ID used for signing replay-protected transactions.

Parameters

None

Returns

chainId, hexadecimal value as a string representing the integer of the current chain id.

Example

NOTE: In this example we are using public Ethereum endpoint. Ideally, for your own projects, you should use your own endpoint, which you can generate for free by connecting to your wallet here.

ethers

Query

NOTE: ethers used below is a well-known web3 library, check it out here.

import { ethers } from 'ethers';

const provider =
  new ethers
    .providers
    .JsonRpcProvider("https://www.noderpc.xyz/rpc-mainnet/public")

const info = async ()=> {
  const result = await provider.send("eth_chainId");
  console.log(result);
}
info();

Result

0x1