How to Add Arbitrum in MetaMask?

There are two ways to add the Arbitrum network in MetaMask. Let’s learn both in this article.

Arbitrum is a layer-2 solution based on the Ethereum blockchain that solves a few key Ethereum problems, such as transaction fees and the number of transactions per second. You can easily add and manage Arbitrum networks and tokens in MetaMask. Let me show you how.

Step 1:

Open metamask.

Openging MetaMask browser extension

Step 2:

Go to the networks tab: Click on the top-center of the MetaMask extension, where you see the Ethereum mainnet or any other primary network you selected.
Networks section in MetaMask

Step 3:

Add network: Click on the “ Add network” button you see at the bottom of the list of available networks.

Method 1: Adding Arbitrum in MetaMask from the available networks

Step 4:

You may see the Arbitrum one network in the list of popular networks where you got redirected from the last step. Click on the “Add” button next to it.
Popular networks in MetaMask

Step 5:

All the details of the Arbitrum network will get filled in automatically, and you’ll now see a confirmation screen. Verify if these details seem right, and press “Approve” once you’re done verifying.
Approve adding arbitrum network in MetaMask

Approve adding arbitrum network in MetaMask

Step 6:

A success screen will appear with two options. Switch to Arbitrum and dismiss. Let’s switch to Arbitrum and start using the network.

Switching to arbitrum network in MetaMask settings

Switching to arbitrum network in MetaMask settings

Arbitrum network successfully added in MetaMask

Step 7:

If you want to import your tokens in MetaMask, get help from this article and learn how to import custom tokens in MetaMask.

Method 2: Adding Arbitrum manually to MetaMask

Step 4:

Follow the first three steps to get to the “Add network” section of MetaMask settings.

MetaMask network settings

Step 5:

Go to the bottom of the page to find the “Add network manually option”, click on that.
Add network manually in MetaMask

Step 6:

Fill in the information shown given below and press save

Network name:	Arbitrum One
Network URL:	https://arb1.arbitrum.io/rpc
Chain ID:	42161
Currency symbol:	ETH
Block explorer URL:	https://arbiscan.io/

Manually added network details in MetaMask

A green “Arbitrum One” was successfully added! message will be shown at the bottom of the screen.
Successfully added Arbitrum in MetaMask

Step 7:

Your current network in MetaMask will change from the Ethereum mainnet to Arbitrum one. If that doesn’t happen automatically, you can do it manually by going to the networks and selecting Arbitrum.
Switching to arbitrum in MetaMask

Step 8:

Start using Arbitrum by importing tokens, as explained in our other article about importing custom tokens in MetaMask.