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eth_chainId RPC Method

Returns the current network/chain ID, used to sign replay-protected transaction introduced in EIP-155.

Updated on
Nov 2, 2023

eth_chainId RPC Method

Parameters

This method does not accept any parameters

Returns

chain ID
It returns a hexadecimal value in string format which represents an integer of the chain ID
Request
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curl https://docs-demo.arbitrum-mainnet.quiknode.pro/ \
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-X POST \
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-H "Content-Type: application/json" \
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--data '{"method":"eth_chainId","params":[],"id":1,"jsonrpc":"2.0"}'
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