How to Add Optimism Network to MetaMask

Add automatically

or add manually

Step 1: Open MetaMask

Open your MetaMask extension in your browser.

Step 2: Add a New Network

Click on the network dropdown at the top, then select "Add Network".

Step 3: Enter Network Details

Fill in the following details:

NetworkRPC URLChain IDCurrency SymbolBlock Explorer URL
Mainnet
https://optimism.drpc.org
0xaETHhttps://optimistic.etherscan.io/
Sepolia Testnet
https://optimism-sepolia.drpc.org
0xaa37dcETHhttps://sepolia-optimism.etherscan.io
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