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Arbitrum One RPC Endpoints

OnFinality RPC Endpoint for Arbitrum One

Network configuration details

These are the network configuration details you will need to manually add this RPC endpoint to your wallet.

Arbitrum One  logo

Arbitrum One

42161
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ETH
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https://arbiscan.io
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https://arb-mainnet.g.alchemy.com/v2/demo
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Metamask card overlayMetamask logo

How to Add OnFinality's Arbitrum One RPC Endpoint to MetaMask

  1. Click the "Add to MetaMask" button
  2. The screen will say "Allow this site to add a network?"
  3. Make sure the details match the details provided on this page
  4. Click "Approve"
  5. Then, you will see a screen that says, "Allow this site to switch the network?"
  6. Make sure the website is "alchemy.com"
  7. Click "Switch network"
Card overlayAdd endpoint to any wallet in just 6 steps

How to Manually Add OnFinality's Arbitrum One RPC Endpoint to Any Wallet

  1. Open your wallet's settings
  2. Go to the Add a New Network" section (this will be different for each wallet)
  3. For MetaMask, click the down arrow next to the chain you're connected to
  4. Click "Add network"
  5. Click "Add a network manually"
  6. Finally, copy and paste the Ethereum network details into your wallet
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Are you deploying your smart contracts to a blockchain that is similar to Arbitrum One? Explore RPC endpoints for other networks!

    Arbitrum Nova  logo

    Arbitrum Nova

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    https://nova.arbiscan.io/
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    https://nova.arbitrum.io/rpc
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    Optimism  logo

    Optimism

    10
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    https://optimistic.etherscan.io
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    https://opt-mainnet.g.alchemy.com/v2/demo
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    Polygon PoS   logo

    Polygon PoS

    137
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    MATIC
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    https://polygonscan.com
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    https://polygon-mainnet.g.alchemy.com/v2/demo
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