Eth_getUncleCountByBlockHash

Get the number of uncle blocks by block hash

post

Sends a JSON-RPC request to retrieve the number of uncle blocks for a given block hash. Returns the count encoded as a hexadecimal string.

Authorizations

api-keyAuth

api-keystringRequired

Body

application/json

jsonrpcstringRequiredExample: 2.0

methodstringRequiredExample: eth_getUncleCountByBlockHash

paramsstring[] · min: 1 · max: 1Required

An array containing the block hash

Example: ["0x9b559a937406429b662b9bd5b2be3c7a2ed36b5a0dbcf0d07a987f695705daec"]

idintegerRequiredExample: 1

Responses

200

Number of uncles in the block

application/json

jsonrpcstringOptionalExample: 2.0

idintegerOptionalExample: 1

resultstringOptional

The number of uncle blocks as a hex string (e.g., "0x2" for 2 uncles)

post/

HTTPcURLJavaScriptPython

POST / HTTP/1.1
Host: blast.nownodes.io
api-key: YOUR_API_KEY
Content-Type: application/json
Accept: */*
Content-Length: 144

{
  "jsonrpc": "2.0",
  "method": "eth_getUncleCountByBlockHash",
  "params": [
    "0x9b559a937406429b662b9bd5b2be3c7a2ed36b5a0dbcf0d07a987f695705daec"
  ],
  "id": 1
}

200

Number of uncles in the block

{
  "jsonrpc": "2.0",
  "id": 1,
  "result": "0x1"
}