OpenOcean
  • 🌊Welcome
  • The Protocol
    • â–ļī¸Introduction
      • 🔄How it Works
      • 💲Fees Overview
      • 🔐Security & Audits
      • đŸŽ¯Achievements
    • 💙OOE Token
      • â„šī¸OOE token contract migration
      • 🚀OOE Token Migration Tutorials
        • đŸĒ™Migrate OOE Token
        • 🧑‍🌾Migrate LP in Farming
        • đŸĻMigrate Staking in Vault (Ethereum Only)
  • PRODUCTS
    • 🌐DEX Aggregator
      • đŸ’ĻDEXs Integration
    • 📈Limit Orders
      • How to place a limit order
      • Limit Order FAQ
    • đŸŽ¯DCA
      • How to use DCA
    • 🧑‍🌾Farms & Vaults
      • How to participate in farm
      • How to participate in vault
    • 📊Perpetual Futures
      • How to make Perpetual Swaps
    • đŸĸOpenOcean DAO
      • đŸ“ĨProposals & Voting
      • đŸ’ĻxOOE Staking
      • â›ŊGas Refund
  • Developer
    • APIs
    • Supported Chains
    • Contracts of Chains
  • Trade on OpenOcean
    • 👨‍đŸ’ģTutorial - Connect Wallets
      • MetaMask Wallet
      • Trust Wallet
      • Coinbase Wallet
      • SafePal Wallet
      • Phantom Wallet
    • 🔄Tutorial - Swap Token
      • Swap on Ethereum
      • Swap on BNB Chain
      • Swap on Arbitrum
      • Swap on Base
    • 📍RPC Adjustment
    • ❗Custom Token
  • Appendix
    • ❓FAQ
    • 💠Media Kit
    • 🚀Social Media
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On this page
  • How to add networks on MetaMask Wallet
  • How to manually add networks on MetaMask Wallet
  • Ethereum Settings
  • BNB Chain Settings
  • Polygon(Matic) Settings
  • Fantom Settings
  • AVAX C-Chain Settings
  • Optimism Settings
  • Arbitrum Settings
  • Aurora Settings
  • Boba Settings
  • Harmony Settings
  • Gnosis(xDAI) Settings
  • HECO Settings
  • OKC Settings
  • Cronos Settings
  • Moonriver Settings
  1. Trade on OpenOcean
  2. Tutorial - Connect Wallets

MetaMask Wallet

PreviousTutorial - Connect WalletsNextTrust Wallet

Last updated 2 years ago

How to add networks on MetaMask Wallet

Visit , and select the chain you would like to swap, then click MetaMask. supports automatic configuration of networks. If it's your first time connect this chain, you only need to click Approve on the pop-up wallet window. Then you don't need to add the network again next time.

After Approve, you will see your wallet address has connected to the chain on OpenOcean. Now you can start to swap!

How to manually add networks on MetaMask Wallet

In most cases, you can add the networks on wallets automatically. But somtimes, the automatically configured RPC nodes may be abnormal. Then you can choose manually add networks MetaMask or modify RPC by your own. Please see the following way to restore the network connection of the MetaMask wallet.

  • Expand view, click my account then Settings

  • Click “Networks” on the right side then you can modify RPC or add a network

  • After entering the info, then click "Save" in the wallet

Ethereum Settings

Network Name: Ethereum Mainnet

New PCR URL: https://mainnet.infura.io/v3/

ChainID: 1

Symbol: ETH

Block Explorer: https://etherscan.io

Recommended RPC URL:

  • https://mainnet.infura.io/v3/

  • https://rpc.ankr.com/eth

  • https://cloudflare-eth.com

BNB Chain Settings

Network Name: BNB Mainnet

New PCR URL: https://bsc-dataseed1.binance.org

ChainID: 56

Symbol: BNB

Block Explorer: https://bscscan.com/

Recommended RPCURL:

  • https://bsc-dataseed.binance.org

  • https://bsc-dataseed1.binance.org

  • https://rpc.ankr.com/bsc

Polygon(Matic) Settings

Network Name: Matic Mainnet

New PCR URL: https://rpc-mainnet.maticvigil.com

ChainID: 137

Symbol: Matic

Block Explorer: https://polygonscan.com

Recommended RPCURL:

  • https://rpc-mainnet.maticvigil.com

  • https://polygon-rpc.com

  • https://rpc.ankr.com/polygon

Fantom Settings

Network Name: Fantom Mainnet

New PCR URL: https://rpcapi.fantom.network

ChainID: 250

Symbol: FTM

Block Explorer: https://ftmscan.com

Recommended RPCURL:

  • https://rpcapi.fantom.network

  • https://rpc.ftm.tools

  • https://rpc.ankr.com/fantom

AVAX C-Chain Settings

Network Name: AVAX C-Chain Mainnet

New PCR URL: https://api.avax.network/ext/bc/C/rpc

ChainID: 43114

Symbol: AVAX

Block Explorer: https://cchain.explorer.avax.network/

Recommended RPCURL:

  • https://api.avax.network/ext/bc/C/rpc

  • https://cchain.explorer.avax.network/

  • https://rpc.ankr.com/avalanche

Optimism Settings

Network Name: Optimism Mainnet

New PCR URL: https://mainnet.optimism.io

ChainID: 10

Symbol: ETH

Block Explorer: https://optimism.io/

Recommended RPCURL:

  • https://mainnet.optimism.io

  • https://rpc.ankr.com/optimism

Arbitrum Settings

Network Name: Arbitrum Mainnet

New PCR URL: https://arb1.arbitrum.io/rpc

ChainID: 42161

Symbol: ETH

Block Explorer: https://arbiscan.io

Recommended RPCURL:

  • https://arb1.arbitrum.io/rpc

  • https://rpc.ankr.com/arbitrum

Aurora Settings

Network Name: Aurora Mainnet

New PCR URL: https://mainnet.aurora.dev

ChainID: 1313161554

Symbol: aETH

Block Explorer: https://arbiscan.io

Recommended RPCURL:

  • https://mainnet.aurora.dev

Boba Settings

Network Name: Boba Mainnet

New PCR URL: https://mainnet.boba.network

ChainID: 288

Symbol: OETH

Block Explorer: https://blockexplorer.boba.network

Recommended RPCURL:

  • https://mainnet.boba.network

  • https://lightning-replica.boba.network

Harmony Settings

Network Name: Harmony Mainnet

New PCR URL: https://rpc.ankr.com/harmony

ChainID: 16666600000

Symbol: ONE

Block Explorer: https://explorer.harmony.one/

Recommended RPCURL:

  • https://rpc.ankr.com/harmony

  • https://api.harmony.one

  • https://harmony-0-rpc.gateway.pokt.network

Gnosis(xDAI) Settings

Network Name: Gnosis Mainnet

New PCR URL: https://rpc.gnosischain.com

ChainID: 100

Symbol: xdai

Block Explorer: https://blockscout.com/xdai/mainnet

Recommended RPCURL:

  • https://rpc.ankr.com/gnosis

  • https://rpc.gnosischain.com

  • https://xdai-archive.blockscout.com

HECO Settings

Network Name: Heco Mainnet

New PCR URL: https://http-mainnet.hecochain.com

ChainID: 128

Symbol: ht

Block Explorer: https://hecoinfo.com

Recommended RPCURL:

  • https://http-mainnet.hecochain.com

  • https://hecoapi.terminet.io/rpc

OKC Settings

Network Name: OKE Mainnet

New PCR URL: https://exchainrpc.okex.org

ChainID: 66

Symbol: okt

Block Explorer: https://www.oklink.com/okexchain

Recommended RPCURL:

  • https://exchainrpc.okex.org

Cronos Settings

Cronos setting parametersīŧš

Network Name: Cronos Mainnet

New PCR URL: https://evm-cronos.crypto.org

ChainID: 25

Symbol: CRO

Block Explorer: https://cronos.crypto.org/explorer

Recommended RPCURL:

  • https://evm.cronos.org

  • https://evm-cronos.crypto.org

Moonriver Settings

Moonriver setting parametersīŧš

Network Name: Moonriver Mainnet

New PCR URL: https://rpc.moonriver.moonbeam.network

ChainID: 1285

Symbol: movr

Block Explorer: https://moonriver.moonscan.io

Recommended RPCURL:

  • https://rpc.moonriver.moonbeam.network

  • https://moonriver.api.onfinality.io/public

  • https://moonriver.public.blastapi.io

setting parametersīŧš

More RPC URL references:

setting parametersīŧš

More RPC URL references:

setting parametersīŧš

More RPC URL references:

setting parametersīŧš

More RPC URL references:

setting parametersīŧš

More RPC URL references:

setting parametersīŧš

More RPC URL references:

setting parametersīŧš

setting parametersīŧš

setting parametersīŧš

setting parametersīŧš

More RPC URL references:

setting parametersīŧš

More RPC URL references:

setting parametersīŧš

setting parametersīŧš

More RPC URL references:

👨‍đŸ’ģ
Ethereum
https://chainlist.org/en
BNB Chain
https://chainlist.org/en
Polygon(Matic) Chain Network
https://chainlist.org/en
Fantom Chain Network
https://chainlist.org/en
AVAX C-Chain Network
https://chainlist.org/en
Optimism Chain Network
https://chainlist.org/en
Arbitrum Chain Network
Aurora
Boba
Harmony
https://chainlist.org/en
Gnosis(xDAI)
https://chainlist.org/en
Heco
OKC
https://chainlist.org/en
OpenOcean trading interface
OpenOcean
Select "Approve" to automatically add the network