How to add a Custom Network to Metamask

There are dozens of blockchains that MetaMask can interact with. Each blockchain needs to be added manually as a "custom network" before you can see your assets on that chain. There are a few different ways to add custom networks to Metamask. This article will go over the two primary ways to do this.

Easiest Method:

Link your wallet to Chainlist. You can add a network to MetaMask with a couple of clicks through this service. This is the easiest way to add a custom network on MetaMask.

Manual Method:

Follow these steps below to add custom networks manually in the MetaMask app itself:

Open Metamask and tap on the menu icon in the top right corner

Tap on Settings

Tap on Networks

Type in the network details (provided below)

Network Details:

Arbitrum

Network Name:
Arbitrum Mainnet RPC
RPC URL:
https://rpc.ankr.com/arbitrum
Chain ID:
42161
Symbol:
ETH
Block Explorer:
https://arbiscan.io/

Avalanche

Network Name:
Avalanche C Chain Mainnet RPC
RPC URL:
https://api.avax.network/ext/bc/C/rpc
Chain ID:
43114
Symbol:
AVAX
Block Explorer:
https://snowtrace.io

Binance

Network Name:
Binance Smart Chain Mainnet RPC
RPC URL:
https://bsc-dataseed.binance.org/
Chain ID:
56
Symbol:
BNB
Block Explorer:
https://bscscan.com/

Ethereum

Network Name:
Ethereum Mainnet RPC
RPC URL:
https://rpc.ankr.com/eth
Chain ID:
1
Symbol:
ETH
Block Explorer:
https://etherscan.io/

Fantom

Network Name:
Fantom Opera Mainnet RPC
RPC URL:
https://rpc.ftm.tools/
Chain ID:
250
Symbol:
FTM
Block Explorer:
https://ftmscan.com/

Optimism

Network Name:
Optimism
RPC URL:
https://mainnet.optimism.io/
Chain ID:
10
Symbol:
ETH
Block Explorer:
https://optimistic.etherscan.io

Polygon

Network Name:
Matic Mainnet RPC
RPC URL:
https://polygon-rpc.com/
Chain ID:
137
Symbol:
MATIC
Block Explorer:
https://explorer.matic.network/

Updated on: 25/08/2023