Method eth_getBlockTransactionCountByNumber undefined ()
connect with WS protocol

Parameters

QUANTITY|TAG - string

block number or "latest", "earliest" or "pending"

Request

wscat -c wss://kcc.getblock.io/YOUR-API-KEY/mainnet/ 
# wait for connection and send the request body 
{"jsonrpc": "2.0",
"method": "eth_getBlockTransactionCountByNumber",
"params": ["0xc6f437"],
"id": "getblock.io"}

Response

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