ConfigureNetworks in MetaMaskNetworks in MetaMaskMetaMask networks: Add, switch and manage EVM and non-EVM chains Featured Articles How to add a custom network RPC endpoint in MetaMask Extension & Mobile App Add or edit custom network RPC endpoints in MetaMask: Network name, RPC URL, Chain ID, symbol, explorer. Use Chainlist, troubleshoot, and re-enable Smart Transactions.Navigate Solana in MetaMask | Manage SOL & SPL tokens Explore Solana inside MetaMask: create or import a Solana account, view SOL/SPL balances, bridge assets, and connect to dapps using Snaps or native support.Guides How to remove custom networks in MetaMask Safely delete a custom network in MetaMask Extension and Mobile. Walkthrough on removing RPC endpoints, restoring defaults, and avoiding display errors.How to view testnets in MetaMask | Enable and use Learn how to enable viewing of test networks in MetaMask like Goerli, Sepolia. Toggle “Show testnets,” switch to a testnet, and manage testing tokens.How to connect to Linea on MetaMask Step-by-step: Add Linea to MetaMask with RPC, Chain ID, symbol & explorer. Switch seamlessly and troubleshoot connectivity issues.How to change networks in MetaMask Extension and Mobile Learn how to change networks in MetaMask: pick from popular chains or add custom ones. Includes steps for Extension and Mobile, plus troubleshooting tips.Help Custom networks missing after MetaMask restore Restore custom RPCs in MetaMask after reinstalling or SRP restore. Learn to re-add networks, sync settings via Snap or extension, and avoid data loss.How to fix 'Internal JSON-RPC error' on networks in MetaMask Seeing 'Internal JSON-RPC error' on sidechains or custom networks? Check the RPC and Chain ID, gas, rate limits, and try a reset or an alternate RPC. Step-by-step fixes.How to fix 'Invalid or missing bridge url parameter value' error in MetaMask 'Invalid or missing bridge URL parameter value'? Learn how to resolve this error by resetting your account safely, restoring network settings, and preserving transaction history.How to fix 'No chain ID defined' error in MetaMask Seeing 'No chain ID defined'? Verify RPC and chain ID, re-add the network using Chainlist, switch networks, or reset local state if needed. Step-by-step fixes.Learn How to use non-EVM networks with MetaMask via Snaps Enable and interact with non-EVM blockchains in MetaMask using Snaps. Setup steps, supported networks, and integration tips included.Using a local node with MetaMask | Connect via HTTP or WebSockets Learn how to connect MetaMask to your own Ethereum (or EVM) local node via RPC (HTTP/WebSocket). Secure your state, bypass public services, and test locally.Verifying custom network information in MetaMask Learn how to confirm the authenticity of an RPC URL, Chain ID, currency symbol, and explorer before adding a custom network in MetaMask to avoid scams.Why Infura doesn't serve certain regions Learn why Infura RPC endpoints may not work in your region, and see alternative methods for connecting your MetaMask wallet.
How to add a custom network RPC endpoint in MetaMask Extension & Mobile App Add or edit custom network RPC endpoints in MetaMask: Network name, RPC URL, Chain ID, symbol, explorer. Use Chainlist, troubleshoot, and re-enable Smart Transactions.
Navigate Solana in MetaMask | Manage SOL & SPL tokens Explore Solana inside MetaMask: create or import a Solana account, view SOL/SPL balances, bridge assets, and connect to dapps using Snaps or native support.
How to remove custom networks in MetaMask Safely delete a custom network in MetaMask Extension and Mobile. Walkthrough on removing RPC endpoints, restoring defaults, and avoiding display errors.
How to view testnets in MetaMask | Enable and use Learn how to enable viewing of test networks in MetaMask like Goerli, Sepolia. Toggle “Show testnets,” switch to a testnet, and manage testing tokens.
How to connect to Linea on MetaMask Step-by-step: Add Linea to MetaMask with RPC, Chain ID, symbol & explorer. Switch seamlessly and troubleshoot connectivity issues.
How to change networks in MetaMask Extension and Mobile Learn how to change networks in MetaMask: pick from popular chains or add custom ones. Includes steps for Extension and Mobile, plus troubleshooting tips.
Custom networks missing after MetaMask restore Restore custom RPCs in MetaMask after reinstalling or SRP restore. Learn to re-add networks, sync settings via Snap or extension, and avoid data loss.
How to fix 'Internal JSON-RPC error' on networks in MetaMask Seeing 'Internal JSON-RPC error' on sidechains or custom networks? Check the RPC and Chain ID, gas, rate limits, and try a reset or an alternate RPC. Step-by-step fixes.
How to fix 'Invalid or missing bridge url parameter value' error in MetaMask 'Invalid or missing bridge URL parameter value'? Learn how to resolve this error by resetting your account safely, restoring network settings, and preserving transaction history.
How to fix 'No chain ID defined' error in MetaMask Seeing 'No chain ID defined'? Verify RPC and chain ID, re-add the network using Chainlist, switch networks, or reset local state if needed. Step-by-step fixes.
How to use non-EVM networks with MetaMask via Snaps Enable and interact with non-EVM blockchains in MetaMask using Snaps. Setup steps, supported networks, and integration tips included.
Using a local node with MetaMask | Connect via HTTP or WebSockets Learn how to connect MetaMask to your own Ethereum (or EVM) local node via RPC (HTTP/WebSocket). Secure your state, bypass public services, and test locally.
Verifying custom network information in MetaMask Learn how to confirm the authenticity of an RPC URL, Chain ID, currency symbol, and explorer before adding a custom network in MetaMask to avoid scams.
Why Infura doesn't serve certain regions Learn why Infura RPC endpoints may not work in your region, and see alternative methods for connecting your MetaMask wallet.