eth_chainId - OptimismAsk AIpost https://opt-mainnet.unifra.io/v1/{your-api-key}Returns the currently configured chain ID, a value used in replay-protected transaction signing as introduced by EIP-155.Path Paramsyour-api-keystringrequiredBody ParamsjsonrpcstringDefaults to 2.0methodstringDefaults to web3_sha3paramsarray of stringsparamsADD stringidint32Defaults to 64Responses 200200 400400Updated 8 months ago