Request body sample: {"jsonrpc":"2.0","method":"web3_sha3","params":["0x67656c6c6f20776f726c64"],"id":1}
web3_sha3
OK
curl -L \ --request POST \ --url 'web3_sha3' \ --header 'Content-Type: application/json' \ --data '{"params":[]}'
{ "id": 1, "jsonrpc": "text", "result": "text" }