RC get head block header

GET

https://ksm-playbook.nownodes.io/v1/rc/blocks/head/header

Authorizations

ApiKeyAuthApiKeyAuth

api-key string

NOWNodes API key passed in the api-key header.

Returns the header of the latest relay chain block.

Parameters

finalizedbooleanquery

When true returns finalized head (default: true)

Response

200OK

Relay chain head block header

500Internal Server Error

Internal server error

503Service Unavailable

Relay chain not configured

RC get head block header

curl -X GET 'https://ksm-playbook.nownodes.io/v1/rc/blocks/head/header'

const response = await fetch('https://ksm-playbook.nownodes.io/v1/rc/blocks/head/header', {
  method: 'GET',
});

const data = await response.json();

require 'net/http'
require 'json'

uri = URI('https://ksm-playbook.nownodes.io/v1/rc/blocks/head/header')
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://ksm-playbook.nownodes.io/v1/rc/blocks/head/header')
data = response.json()

const response = await fetch('https://ksm-playbook.nownodes.io/v1/rc/blocks/head/header', {
  method: 'GET',
});

const data = await response.json();

const endpoint = "https://ksm-playbook.nownodes.io/v1/rc/blocks/head/header";
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://ksm-playbook.nownodes.io/v1/rc/blocks/head/header', {
  method: 'GET',
});

const data = await response.json();

import requests

response = requests.get('https://ksm-playbook.nownodes.io/v1/rc/blocks/head/header')
data = response.json()

require 'net/http'
require 'json'

uri = URI('https://ksm-playbook.nownodes.io/v1/rc/blocks/head/header')
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)

200

{}