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Optimism Sepolia Testnet

RPC Endpoints

Chain ID: 0xaa37dc · ETH

Other Optimism networks:Mainnet
How to add Optimism to MetaMask or other wallets

Optimism Sepolia Testnet uses ETH as its native currency. Chain ID: 11155420 (0xaa37dc). Below are 3 public RPC endpoints you can use to connect wallets, dApps, and developer tools to Optimism Sepolia Testnet.

StatusRPC EndpointChain IDCurrencyExplorerWallet
Checking
https://optimism-sepolia.drpc.org
0xaa37dcETHExplorer
Checking
https://sepolia.optimism.io
0xaa37dcETHExplorer
Checking
https://optimism-testnet.gateway.tatum.io
0xaa37dcETHExplorer

Connect to Optimism Sepolia Testnet with ethers.js

import { ethers } from "ethers";

const provider = new ethers.JsonRpcProvider("https://optimism-sepolia.drpc.org");

const network = await provider.getNetwork();
console.log(network.chainId); // 11155420n

Optimism Sepolia Testnet — common questions

What is the RPC URL for Optimism Sepolia Testnet?
There are 3 public RPC endpoints for Optimism Sepolia Testnet, including https://optimism-sepolia.drpc.org. See the full list in the table above.
What is the Chain ID for Optimism Sepolia Testnet?
The Chain ID for Optimism Sepolia Testnet is 11155420 (0xaa37dc in hexadecimal).
What is the native currency of Optimism Sepolia Testnet?
The native currency of Optimism Sepolia Testnet is ETH.
How do I add Optimism Sepolia Testnet to MetaMask?
Use the "Add to Wallet" button on this page to add Optimism Sepolia Testnet to MetaMask automatically, or follow our step-by-step guide for Optimism.