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Configure MetaMask with Alchemy RPC URL

1. Create Alchemy Mumbai Polygon RPC

First, you will need to create an account on Alchemy. On the Dashboard page, click "+ CREATE APP", configure the app to be on "Polygon Mainnet"

2. Add the HTTP URL to Metamask

On your Alchemy dashboard, click the "VIEW KEY" button to view the RPC URL of your Mumbai node and copy the HTTP. Configure a new Polygon network on Metamask
  • Network Name: Polygon Mainnet (Alchemy Node)
  • New RPC URL: Paste your HTTP from Alchemy Here
  • Chain ID: 137
  • Currency Symbol: MATIC
  • Blockchain Explorer URL: https://polygonscan.com/