getblockheader RPC Method

Parameters

blockhash

string

REQUIRED

verbose

boolean

Returns

(for verbose = true):

hash

confirmations

height

version

versionHex

merkleroot

time

mediantime

nonce

bits

target

difficulty

chainwork

nTx

previousblockhash

nextblockhash

error

(for verbose = false):

result

error

Request

curl https://docs-demo.btc.quiknode.pro/ \
  -X POST \
  -H "Content-Type: application/json" \
  --data '{"id": 1, "jsonrpc": "2.0", "method": "getblockheader", "params": ["00000000c937983704a73af28acdec37b049d214adbda81d7e2a3dd146f6ed09"]}'

var myHeaders = new Headers();
myHeaders.append("Content-Type", "application/json");

var raw = JSON.stringify({
  "id": 1,
  "jsonrpc": "2.0",
  "method": "getblockheader",
  "params": [
    "00000000c937983704a73af28acdec37b049d214adbda81d7e2a3dd146f6ed09"
  ]
});

var requestOptions = {
  method: 'POST',
  headers: myHeaders,
  body: raw,
  redirect: 'follow'
};

fetch("https://docs-demo.btc.quiknode.pro/", requestOptions)
  .then(response => response.text())
  .then(result => console.log(result))
  .catch(error => console.log('error', error));

import requests
import json

url = "https://docs-demo.btc.quiknode.pro/"

payload = json.dumps({
  "id": 1,
  "jsonrpc": "2.0",
  "method": "getblockheader",
  "params": [
    "00000000c937983704a73af28acdec37b049d214adbda81d7e2a3dd146f6ed09"
  ]
})
headers = {
  'Content-Type': 'application/json'
}

response = requests.request("POST", url, headers=headers, data=payload)

print(response.text)

require "uri"
require "json"
require "net/http"

url = URI("https://docs-demo.btc.quiknode.pro/")

https = Net::HTTP.new(url.host, url.port)
https.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Content-Type"] = "application/json"
request.body = JSON.dump({
  "id": 1,
  "jsonrpc": "2.0",
  "method": "getblockheader",
  "params": [
    "00000000c937983704a73af28acdec37b049d214adbda81d7e2a3dd146f6ed09"
  ]
})

response = https.request(request)
puts response.read_body

Response

{
  "result": {
    "hash": "00000000c937983704a73af28acdec37b049d214adbda81d7e2a3dd146f6ed09",
    "confirmations": 893202,
    "height": 1000,
    "version": 1,
    "versionHex": "00000001",
    "merkleroot": "fe28050b93faea61fa88c4c630f0e1f0a1c24d0082dd0e10d369e13212128f33",
    "time": 1232346882,
    "mediantime": 1232344831,
    "nonce": 2595206198,
    "bits": "1d00ffff",
    "difficulty": 1,
    "chainwork": "000000000000000000000000000000000000000000000000000003e903e903e9",
    "nTx": 1,
    "previousblockhash": "0000000008e647742775a230787d66fdf92c46a48c896bfbc85cdc8acc67e87d",
    "nextblockhash": "00000000a2887344f8db859e372e7e4bc26b23b9de340f725afbf2edb265b4c6"
  },
  "error": null,
  "id": null
}

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getblockheader RPC Method

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Parameters

Returns