Use the following settings to add Polygon Network to MetaMask. The steps below walk you through every step.
Polygon Network Details
Network Name: Polygon
New RPC Url: https://polygon-rpc.com
ChainID: 137
Symbol: MATIC
Block Explorer URL: https://polygonscan.com/
Step 1:
Open MetaMask with the icon in your browser
Step 2:
Select the Ethereum Mainnet button at the top. This is the default setting.
Step 3:
Select Custom RPC at the bottom of the list.
Step 4:
Enter the Polygon Network details from above and save.
Alternative Method
There is a tool called Chainlist which automatically connects your MetaMask to all compatible networks for the desktop browser.
1. Go to Chainlist
2. Connect to your wallet
3. Search for the chain
4. Add to MetaMask
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