eth_chainId RPC Method

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

Updated on

Dec 3, 2024

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

1
curl https://docs-demo.worldchain-mainnet.quiknode.pro/ \
2
  -X POST \
3
  -H "Content-Type: application/json" \
4
  --data '{"method":"eth_chainId","params":[],"id":1,"jsonrpc":"2.0"}'

Don't have an account yet?

Create your QuickNode endpoint in seconds and start building

Get started for free