Method eth_getUncleCountByBlockNumber undefined ()
connect with WS protocol

Parameters

QUANTITY|TAG - None

Integer representing either the index of the block within the blockchain, or one of the string tags latest, earliest, or pending, as described in Block Parameter.

Request

wscat -c wss://eth.getblock.io/YOUR-API-KEY/mainnet/ 
# wait for connection and send the request body 
{"jsonrpc": "2.0",
"method": "eth_getUncleCountByBlockNumber",
"params": ["0xe8"],
"id": "getblock.io"}

Response

{
    "id": "getblock.io",
    "jsonrpc": "2.0",
    "result": "0x0"
}