Get block hash by block height

GET

https://btgbook.nownodes.io/api/v2/block-index/{height}

Authorizations

ApiKeyAuthApiKeyAuth

api-key string

NOWNodes API key passed in the api-key header.

Returns the block hash corresponding to the specified block height.

Parameters

heightinteger>= 0requiredpath

The height of the block (e.g., 800000)

Response

200OK

Successfully retrieved block hash

404Not Found

Block not found at given height

500Internal Server Error

Internal server error

Get block hash by block height

curl -X GET 'https://btgbook.nownodes.io/api/v2/block-index/{height}'

const response = await fetch('https://btgbook.nownodes.io/api/v2/block-index/{height}', {
  method: 'GET',
});

const data = await response.json();

require 'net/http'
require 'json'

uri = URI('https://btgbook.nownodes.io/api/v2/block-index/{height}')
request = Net::HTTP::Get.new(uri)

response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) { |http| http.request(request) }
data = JSON.parse(response.body)

import requests

response = requests.get('https://btgbook.nownodes.io/api/v2/block-index/{height}')
data = response.json()

const response = await fetch('https://btgbook.nownodes.io/api/v2/block-index/{height}', {
  method: 'GET',
});

const data = await response.json();

const endpoint = "https://btgbook.nownodes.io/api/v2/block-index/{height}";
const apiKey = "YOUR_API_KEY";

async function nownodesRequest(payload) {
  const response = await fetch(endpoint, {
    method: "GET",
    headers: {
      "Content-Type": "application/json",
      "api-key": apiKey,
    },
    body: JSON.stringify(payload),
  });

  return response.json();
}

const result = await nownodesRequest({});
console.log(result);

const response = await fetch('https://btgbook.nownodes.io/api/v2/block-index/{height}', {
  method: 'GET',
});

const data = await response.json();

import requests

response = requests.get('https://btgbook.nownodes.io/api/v2/block-index/{height}')
data = response.json()

require 'net/http'
require 'json'

uri = URI('https://btgbook.nownodes.io/api/v2/block-index/{height}')
request = Net::HTTP::Get.new(uri)

response = Net::HTTP.start(uri.hostname, uri.port, use_ssl: true) { |http| http.request(request) }
data = JSON.parse(response.body)

{
  "blockHash": "00000000000000000004e6a25d5e8bb4d9b23f94b84f8e0cf4e2128c2b93a6b1"
}

{
  "error": "Block not found"
}

{
  "error": "Internal server error"
}