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getChainId

Returns the chain ID associated with the current network

Usage

example.tsclient.ts

ts

import { publicClient } from './client'

const chainId = await publicClient.getChainId() 
// 1

ts

import { createPublicClient, http } from 'viem'
import { mainnet } from 'viem/chains'

export const publicClient = createPublicClient({
  chain: mainnet,
  transport: http()
})

Returns

number

The current chain ID.

JSON-RPC Method

Calls eth_chainId.