Cannot add Polygon Testnet Mumbai

Support General
1

How do you add Polygon TestNet Mumbai to MetaMask? I keep getting this error. The MainNet works fine.

Could not fetch chainID. Is your RPC URL correct?

2

Hello, you can search keywords in chainlist, and then add the chain you want

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3

Make sure your Chain ID and RPC URL are correct for Mumbai.

Their documentation may help you:

4

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