getblockheader RPC Method

Parameters

blockhash

string

REQUIRED

The hash of the block

verbose

boolean

default=true. It's true for a JSON object and false for the hex-encoded data

Returns

(for verbose = true):

hash

The hash of the block

confirmations

The number of confirmations, or -1 if the block is not on the main chain

height

The block height or index

version

The block version

versionHex

The block version formatted in hexadecimal

merkleroot

The merkle root

time

The block time expressed in UNIX epoch time

mediantime

The median block time expressed in UNIX epoch time

nonce

The nonce

bits

The value of the nBits field in the block header

difficulty

The estimated amount of work done to find this block relative to the estimated amount of work done to find block 0

chainwork

Expected number of hashes required to produce the current chain

nTx

The number of transactions in the block

previousblockhash

The hash of the previous block (if available)

nextblockhash

The hash of the next block (if available)

error

The error message, if any

(for verbose = false):

result

A string that is serialized, hex-encoded data for block hash

error

The error message, if any

Request

1
curl https://docs-demo.btc.quiknode.pro/ \
2
  -X POST \
3
  -H "Content-Type: application/json" \
4
  --data '{"method": "getblockheader", "params": ["00000000c937983704a73af28acdec37b049d214adbda81d7e2a3dd146f6ed09"]}'
5

Don't have an account yet?

Create your QuickNode endpoint in seconds and start building

Get started for free