Optimism RPC URL and chain id

Mainnet RPCs

BlockchainNetworkRPC URLChain IDNative CurrencyBlock ExplorerActions
Optimism
Mainnet0xaETHhttps://optimistic.etherscan.io/
Optimism
Mainnet0xaETHhttps://optimistic.etherscan.io/

Sepolia Testnet RPCs

BlockchainNetworkRPC URLChain IDNative CurrencyBlock ExplorerActions
Optimism
Sepolia Testnet0xaa37dcETHhttps://sepolia-optimism.etherscan.io
Optimism
Sepolia Testnet0xaa37dcETHhttps://sepolia-optimism.etherscan.io

FAQ

Frequently Asked Questions