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How to Fix MetaMask JSON-RPC Error

Use a Reliable RPC Provider: If the error persists, it may be an issue with the RPC provider. Consider switching to a more reliable provider such as Infura or Alchemy. You can also add a secondary RPC URL to your network settings as a fallback in case of provider downtime.<br><br>

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How to Fix MetaMask JSON-RPC Error

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  1. How to Fix MetaMask JSON-RPC Error

  2. Check Network Connection Often, MetaMask's JSON-RPC errors stem from network issues. Ensure that you have a stable internet connection. If you're using a VPN or proxy, try disabling it temporarily to see if it resolves the issue. Poor network connectivity can prevent MetaMask from reaching its required RPC endpoints.

  3. Switch or Reset Networks Sometimes, the RPC error occurs due to issues with the Ethereum mainnet or custom networks. Switch to a different network like Binance Smart Chain or a testnet, then switch back to the desired network. Alternatively, resetting the MetaMask account can resolve inconsistencies in network connectivity without affecting your assets. Update MetaMask Running an outdated version of MetaMask may cause compatibility issues with RPC nodes. Check for available updates in your browser extension or mobile app and install them. This ensures you have the latest bug fixes and improvements that may resolve the error. Verify RPC URL and Settings If you're using a custom RPC, double-check the URL and other configuration settings. Ensure that the network chain ID, currency symbol, and block explorer URL are correctly set. Any errors in these fields can trigger the JSON-RPC error.

  4. Use a Reliable RPC Provider If the error persists, it may be an issue with the RPC provider. Consider switching to a more relia ble provider such as Infura or Alchemy. You can also add a secondary RPC URL to your network settings as a fallback in case of provider downtime.

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