How to add the Polygon (Matic) network to MetaMask?

Add Polygon (MATIC) to MetaMask by entering its network details manually, then use MATIC for low-cost transactions on DeFi and NFT platforms.

Oct 19, 2025 at 10:18 am

Adding the Polygon (Matic) Network to MetaMask

The integration of the Polygon network into MetaMask allows users to interact with decentralized applications on a scalable and low-cost Ethereum-compatible blockchain. Setting up this network manually ensures access to a growing ecosystem of DeFi, NFTs, and Web3 platforms.

Step-by-Step Guide to Configure Polygon in MetaMask

1. Open your MetaMask wallet extension in your browser.2. Click on the network dropdown located at the top of the interface.3. Select 'Add Network' to begin entering custom network details.4. Enter 'Polygon Mainnet' as the network name.5. Input the following RPC URL: https://polygon-rpc.com/.6. Set the chain ID to 137.7. Enter 'MATIC' as the currency symbol.8. For block explorer URL, use: https://polygonscan.com/.9. Confirm and save the configuration.10. Switch to the newly added Polygon network from the network selector.

Obtaining MATIC Tokens for Transactions

1. Purchase MATIC on major exchanges such as Binance, Coinbase, or Kraken.2. Withdraw MATIC tokens to your MetaMask wallet address, ensuring you select the Polygon (MATIC) network during withdrawal.3. Confirm receipt of funds within your MetaMask balance after network confirmation.4. Use MATIC to pay for gas fees when interacting with dApps on Polygon.5. Bridge Ethereum-based assets to Polygon using the official Polygon Bridge for expanded utility.

Troubleshooting Common Setup Issues

1. If transactions fail, verify that you are on the correct network (Polygon Mainnet).2. Double-check the RPC URL and chain ID for accuracy during setup.3. Clear cache or reload MetaMask if the balance does not update.4. Ensure sufficient MATIC is available for gas, even for token transfers.5. Use alternative RPC endpoints like https://rpc.ankr.com/polygon if performance lags.

Frequently Asked Questions

How do I switch back to the Ethereum network after using Polygon?In MetaMask, click the network dropdown and select 'Ethereum Mainnet' to revert. Your accounts remain unchanged across networks.

Can I use the same wallet address on both Ethereum and Polygon?Yes, your public wallet address remains identical across both networks. However, asset balances are separate and require bridging.

Is it safe to add custom networks like Polygon to MetaMask?Yes, provided you input official parameters from trusted sources such as the Polygon website or verified documentation.

What should I do if my MATIC deposit doesn’t appear in MetaMask?Verify the transaction on Polygonscan using your wallet address. If confirmed, manually add the MATIC token using its contract address: 0x7D1AfA7B718fb893dB30A3aBc0Cfc608AaCfeBB0.

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