Get status from the API index handler.

GET

https://optimism-index.nownodes.io/api

Authorizations

ApiKeyAuthApiKeyAuth

api-key string

NOWNodes API key passed in the api-key header.

Alias served by the same handler as /api/status on full public interfaces.

Load estimate: Low; constant-size status metadata.

Response

200OK

Current Blockbook and backend status.

401Unauthorized

Unauthorized: API key is present but rejected by the NOWNodes gateway.

405Method Not Allowed

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

422Unprocessable Entity

Missing API key. The NOWNodes gateway returns plain text for this error.

default

Public API error.

Get status from the API index handler.

curl -X GET 'https://optimism-index.nownodes.io/api/'

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

const data = await response.json();

require 'net/http'
require 'json'

uri = URI('https://optimism-index.nownodes.io/api/')
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://optimism-index.nownodes.io/api/')
data = response.json()

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

const data = await response.json();

const endpoint = "https://optimism-index.nownodes.io/api/";
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://optimism-index.nownodes.io/api/', {
  method: 'GET',
});

const data = await response.json();

import requests

response = requests.get('https://optimism-index.nownodes.io/api/')
data = response.json()

require 'net/http'
require 'json'

uri = URI('https://optimism-index.nownodes.io/api/')
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": "Optimism",
    "network": "ETH",
    "host": "a5a1bffdf949",
    "version": "0.6.0",
    "gitCommit": "89963a3",
    "buildTime": "2026-08-06T06:44:18+0000",
    "syncMode": true,
    "initialSync": false,
    "inSync": true,
    "bestHeight": 157235891,
    "lastBlockTime": "2026-09-22T09:49:20.074667679Z",
    "inSyncMempool": true,
    "lastMempoolTime": "2026-09-22T09:48:37.349435466Z",
    "mempoolSize": 0,
    "decimals": 18,
    "dbSize": 384118761812,
    "hasFiatRates": true,
    "hasTokenFiatRates": true,
    "currentFiatRatesTime": "2026-09-22T09:40:32.526328981Z",
    "historicalFiatRatesTime": "2026-09-18T00:00:00Z",
    "historicalTokenFiatRatesTime": "2026-09-12T22:12:13.168608035Z",
    "about": "Blockbook - blockchain indexer for Trezor Suite https://trezor.io/trezor-suite. Do not use for any other purpose."
  },
  "backend": {
    "chain": "mainnet",
    "blocks": 157235891,
    "bestBlockHash": "0x8dd378bdf3dd5d90a1303960f7185b4f131ade57192ee98750f6098c4c4ba071",
    "difficulty": "0",
    "version": "op-reth/v0.0.0-dev-unknown/x86_64-linux"
  }
}

Unknown API_key

Method Not Allowed

Missing API_key

{
  "error": "Internal error"
}