Get Blockbook and backend status.

GET

https://grsbook.nownodes.io/api/status

Authorizations

ApiKeyAuthApiKeyAuth

api-key string

NOWNodes API key passed in the api-key header.

Returns Blockbook sync state and connected backend metadata.

Load estimate: Low; constant-size status metadata.

Response

200OK

Current Blockbook and backend status.

400Bad Request

Bad Request

401Unauthorized

Unauthorized. Returned when the api-key header is missing, empty, or not accepted by the NOWNodes gateway. The body is plain text.

405Method Not Allowed

Method Not Allowed. Returned by the NOWNodes gateway for malformed or unsupported gateway-level requests.

422Unprocessable Entity

Unprocessable Entity. Returned by the NOWNodes gateway for requests it accepts but cannot process. The body is plain text.

500Internal Server Error

Internal Server Error

503Service Unavailable

Service Unavailable

default

Public API error. Public validation errors are HTTP 400; internal errors are HTTP 500.

Get Blockbook and backend status.

curl -X GET 'https://grsbook.nownodes.io/api/status'

const response = await fetch('https://grsbook.nownodes.io/api/status', {
  method: 'GET',
});

const data = await response.json();

require 'net/http'
require 'json'

uri = URI('https://grsbook.nownodes.io/api/status')
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://grsbook.nownodes.io/api/status')
data = response.json()

const response = await fetch('https://grsbook.nownodes.io/api/status', {
  method: 'GET',
});

const data = await response.json();

const endpoint = "https://grsbook.nownodes.io/api/status";
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://grsbook.nownodes.io/api/status', {
  method: 'GET',
});

const data = await response.json();

import requests

response = requests.get('https://grsbook.nownodes.io/api/status')
data = response.json()

require 'net/http'
require 'json'

uri = URI('https://grsbook.nownodes.io/api/status')
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)

{
  "blockbook": {
    "coin": "Groestlcoin",
    "network": "GRS",
    "host": "e8c9d322965e",
    "version": "0.6.0",
    "gitCommit": "89963a3",
    "buildTime": "2026-08-06T06:44:18+0000",
    "syncMode": true,
    "initialSync": false,
    "inSync": true,
    "bestHeight": 6206957,
    "lastBlockTime": "2026-08-08T09:07:57.896759726Z",
    "inSyncMempool": true,
    "lastMempoolTime": "2026-08-08T09:08:57.914218977Z",
    "mempoolSize": 0,
    "decimals": 8,
    "dbSize": 2506952195,
    "hasFiatRates": true,
    "hasTokenFiatRates": true,
    "currentFiatRatesTime": "2026-08-08T08:45:00.591832657Z",
    "historicalFiatRatesTime": "2026-04-29T00:00:00Z",
    "historicalTokenFiatRatesTime": "string",
    "about": "Blockbook - blockchain indexer for Trezor Suite https://trezor.io/trezor-suite. Do not use for any other purpose."
  },
  "backend": {
    "chain": "main",
    "blocks": 6206957,
    "headers": 6206957,
    "bestBlockHash": "00000000000080f930ce5dd8bc4d085a5b37410ff75c192abb75a5c334cda836",
    "difficulty": "84286.47774550592",
    "sizeOnDisk": 3956469829,
    "version": "310000",
    "subversion": "/Groestlcoin:31.0.0(bitcore-grs)/",
    "protocolVersion": "70016",
    "timeOffset": 0,
    "warnings": "string",
    "error": "string",
    "consensus_version": "string"
  }
}

{}

Unknown API_key

Method Not Allowed

Missing API_key

{}

{}

{
  "error": "Transaction 'missing-txid' not found"
}