Add zkSync to MetaMask

To add zkSync as a custom network in MetaMask, follow these steps:

1. Click on the MetaMask
2. Click on the Network on the left hand side
3. Click “Add Network"
4. Scroll down the "Networks" menu and click on "Add a Network Manually".

Fill in the following details for the zkSync network:

Mainnet network info

Add zkSync Era Mainnet automatically using the button below:

Network details:

• Network Name: zkSync Era Mainnet
• RPC URL: https://mainnet.era.zksync.io
• Chain ID: 324
• Currency Symbol: ETH
• Block Explorer URL: https://explorer.zksync.io/
• WebSocket URL: wss://mainnet.era.zksync.io/ws

Sepolia testnet network info

Add zkSync Era testnet automatically using the button below:

Network details:

• Network Name: zkSync Era Sepolia Testnet
• RPC URL: https://sepolia.era.zksync.dev
• Chain ID: 300
• Currency Symbol: ETH
• Block Explorer URL: https://sepolia.explorer.zksync.io/
• WebSocket URL: wss://sepolia.era.zksync.dev/ws

Click on "Save" to add the zkSync network to MetaMask.

Now you should see the zkSync network listed in the Networks section of MetaMask. You can switch to the zkSync network to interact with zkSync applications and contracts.