Getblockheader

getblockheader

post

Returns information about the block header given a block hash. You can specify whether to return a JSON object or raw hex-encoded string using the verbose flag.

Authorizations

api-keyAuth

api-keystringRequired

Body

application/json

jsonrpcstringRequiredExample: 1.0

idstringRequired

methodstring · enumRequiredPossible values:

Responses

200

Block header information retrieved successfully

application/json

resultone ofOptional

stringOptional

Hex-encoded block header (if verbose = false)

or

errorobject · nullableOptional

idstringOptional

ID of the request

401

Unauthorized

application/json

500

Internal Server Error

application/json

post

/

HTTPcURLJavaScriptPython

POST / HTTP/1.1
Host: btc.nownodes.io
api-key: YOUR_API_KEY
Content-Type: application/json
Accept: */*
Content-Length: 142

{
  "jsonrpc": "1.0",
  "id": "curltest",
  "method": "getblockheader",
  "params": [
    "0000000000000000000a1e63be6bb1d1f4e6d2a345234a4a6b8f86e4f0de3c5a",
    true
  ]
}

{
  "result": {
    "hash": "0000000000000000000a1e63be6bb1d1f4e6d2a345234a4a6b8f86e4f0de3c5a",
    "confirmations": 105,
    "height": 855000,
    "version": 536870912,
    "versionHex": "20000000",
    "merkleroot": "e3abc1234...",
    "time": 1700000000,
    "mediantime": 1699995000,
    "nonce": 1234567890,
    "bits": "170d1f5d",
    "difficulty": 225983213292.9388,
    "chainwork": "0000000000000000000000000000000000000000230c36f8ff7f4fbee5b6a0c2",
    "previousblockhash": "0000000000000000000c1e1ecf0aef02b1c3d4c44c920afe0aaec7d08d0019e1",
    "nextblockhash": "0000000000000000000735c64b80cd102b8e4d67c2cc09db81fa4451a6f58e3a"
  },
  "error": null,
  "id": "curltest"
}