Hi, community, just as the title said, i want to retrieve all user’s customized networks and display different page depends on user’s networks. Is there any API or method? Or should it be a feature which may be added in the future?

wallet_addEthereumChain and wallet_switchEthereumChain is likely what you are looking for. Here is more information on the MetaMask docs: RPC API | MetaMask Docs Developer documentation for the MetaMask Ethereum wallet

Sorry for the misunderstand. What I mean is I want to retrieve the networks in user’s MetaMask via some MetaMask API or methods, so that I can show the correct answer to the user. Or let’s say I want to know whether the User’s MetaMask is added a custom network or not, which api or method(such as e…

Is this so you can prompt the user to switch to the correct network? What do you need the user’s custom networks for?

Yes, exactly. I want to get all users’ custom network to filter the network that he did not added, or I can guide him/her to add some networks if he/she haven’t added any other networks except the default network, i.e ethereum mainnet.

Thanks a lot, i’ve just went my deadends, using wallet_addEthereumChain and wallet_switchEthereumChain is the what exactly what I want.

How to get user's custom networks

Developer Discussion

Tksly April 15, 2022, 10:24am 2

https://community.metamask.io/t/how-to-add-custom-networks-to-metamask-like-binance-and-polygon-matic/3634

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How to get user's custom networks

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