// Request
curl https://zkfair.blockpi.network/v1/rpc/your-rpc-key -X POST -H "Content-Type: application/json" --data '{"jsonrpc":"2.0","method":"web3_clientVersion","params":[],"id":1}'
// Result
{
"jsonrpc": "2.0",
"id": 1,
"result": "v1.0.0-3-g0e0ae604"
}