eth_chainId

Returns the currently configured chain id, a value used in replay-protected transaction signing as introduced by EIP-155.

Parameters:

None

Returns:

QUANTITY - big integer of the current chain id.

Example:

// Request
curl  https://zkfair.blockpi.network/v1/rpc/your-rpc-key -X POST -H "Content-Type: application/json" --data '{"jsonrpc":"2.0","method":"eth_chainId","params":[],"id":1}'

// Result
{
    "jsonrpc": "2.0",
    "id": 1,
    "result": "0xa70e"
}