block_api.get_block_header

Purpose

Retrieve a block header of the referenced block, or null if no matching block was found.

Parameters:

• block_num:int - Height of the block whose header should be returned

block_num (int)
1	Queries the block headers for the very first block.
8675309	Queries block headers for block number 8,675,309.
62396745	Queries block headers for block number 62,396,745.

Parameters

PARAMETERS

{
  "block_num": 0
}

Example

Example 1

BASH

curl -s https://api.steemit.com \
  -H 'Content-Type: application/json' \
  --data-binary '{
    "jsonrpc": "2.0",
    "method": "block_api.get_block_header",
    "params": {
      "block_num": 1
    },
    "id": 1
  }'

Example 2

BASH

curl -s https://api.steemit.com \
  -H 'Content-Type: application/json' \
  --data-binary '{
    "jsonrpc": "2.0",
    "method": "block_api.get_block_header",
    "params": {
      "block_num": 8675309
    },
    "id": 1
  }'

Example 3

BASH

curl -s https://api.steemit.com \
  -H 'Content-Type: application/json' \
  --data-binary '{
    "jsonrpc": "2.0",
    "method": "block_api.get_block_header",
    "params": {
      "block_num": 62396745
    },
    "id": 1
  }'

Response

RESPONSE

{}