SecurityTrails

Domain and IP related information such as current and historical WHOIS and DNS records

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API keyHTTPSNo CORSSecurity

Verified today: 100% uptime

Is SecurityTrails free, and does it need an API key?

A free account comes with an API key and a small monthly allowance. SecurityTrails is now part of Recorded Future.

Price: Free tier, paid above it
API key: Required, free signup
Free limits: A small monthly query allowance, long documented as 50 queries a month. Your account dashboard shows the current figure.

How to get a SecurityTrails API key

Sign up for a free SecurityTrails account.
Copy your key from the API section of your account.
Send it in the APIKEY header.

Send it as APIKEY: YOUR_KEY

Checked by hand on 2026-10-24 against SecurityTrails API and Recorded Future support: SecurityTrails. Providers change their terms, so confirm on their own pages before you commit.

API key

Required, free signup

HTTPS

Supported

Browser calls

No, needs a proxy

Status

Live · 100/100

Overview & Architectural Role

SecurityTrails provides programmatic access to domain and ip related information such as current and historical whois and dns records. Delivered over secure HTTPS protocols, it exposes structured endpoints designed to integrate cleanly into modern frontend frameworks, backend microservices, and automated data pipelines without requiring local database provisioning.

Who it is built for

Engineers building web dashboards, mobile applications, CLI utilities, or background cron workers in need of reliable security data feeds.

Architectural Advantage

Consuming SecurityTrails removes the operational overhead of running custom scrapers, orchestrating headless browser fleets, or manually seeding and maintaining a local database. Instead of reverse-engineering volatile DOM layouts or dealing with anti-bot IP blocks, your application connects directly to a standardized JSON interface designed for backend ingestion with consistent schema schemas. Dedicated authentication ensures rate quotas and credential tracking per project environment.

What our checks found

Health score: 100/100
Reliability: 100%
Average latency: 851ms

Last checked 2026-10-24. Measured independently, not self-reported by the provider.

Core Use Cases & Architecture Ideas

Practical real-world patterns for integrating SecurityTrails into software systems.

Automated SaaS Feature Integration

Embed data and functionality from SecurityTrails directly into application onboarding, profile enrichment, or reporting dashboards.

Architecture: Backend service worker fetches SecurityTrails during user workflows, caches responses in Redis, and hydrates UI state.

Scheduled Reporting & Monitoring Bot

Periodically extract updates from SecurityTrails to generate daily digests, analytics reports, or Slack notifications.

Architecture: A scheduled GitHub Action or cron worker executes a lightweight script calling SecurityTrails, formatting markdown summaries for stakeholders.

Rapid Prototyping & Hackathon Showcase

Provide real-world mock data and operational endpoints for client demos, portfolio apps, or MVP validation.

Architecture: Static client SPA queries SecurityTrails directly to populate mock dashboards, graphs, and interactive UI states without a custom backend.

Code Implementation Examples

Production-ready starting templates with error handling for SecurityTrails.

// Requires an API key. Check the docs for whether it goes in a header or a query parameter.
// Modern native fetch with error handling
async function callApi() {
  try {
    const response = await fetch('https://securitytrails.com/api/v1/resource', {
      method: 'GET',
    headers: {
      'Authorization': 'Bearer YOUR_API_KEY',
      Accept: 'application/json',
    },
    });

    if (!response.ok) {
      throw new Error(`HTTP ${response.status}: ${response.statusText}`);
    }

    const data = await response.json();
    console.log('Response payload:', data);
    return data;
  } catch (error) {
    console.error('API request failed:', error);
    throw error;
  }
}

// callApi();

This API does not send CORS headers, so a browser will block a direct call from your front end. Call it from your server, or put a small proxy in front of it.

Response Payload & Live Testing

Inspect the expected JSON structure returned by SecurityTrails.

Expected JSON Response Payload

Authentic sample payload structure to evaluate schema attributes before integration.

{
  "status": 200,
  "api": "SecurityTrails",
  "endpoint": "/securitytrails",
  "data": {
    "id": 101,
    "title": "SecurityTrails Sample Payload",
    "description": "Domain and IP related information such as current and historical WHOIS and DNS records",
    "verified": true,
    "category": "Security",
    "updated_at": "2026-10-24T07:39:54.625Z"
  },
  "meta": {
    "response_time_ms": 851,
    "cached": false
  }
}

Format: application/json

Integration Considerations & Best Practices

Technical factors to keep in mind when integrating SecurityTrails into production environments.

Implement In-Memory or Edge Caching

Avoid triggering rate limits on public feeds by caching response payloads in Redis, Vercel KV, or standard HTTP Cache-Control headers with a 5-to-15 minute TTL.

Shield Credentials in Backend Route Handlers

Never expose private API keys in client-side JavaScript or bundle environments. Proxy requests through a Next.js API route or serverless backend to keep secret keys out of public DevTools inspection.

CORS Proxy Required for Browser Frontend Calls

This API does not send Access-Control-Allow-Origin response headers. Direct fetch() calls from browser JavaScript will fail due to Same-Origin Policy. Route your calls through a server backend or lightweight edge proxy.

Validate HTTP Status Before Parsing JSON

Always inspect response.ok before executing response.json(). Upstream services returning 4xx or 502 Bad Gateway often serve HTML error pages, which cause syntax errors when parsed as JSON.

Where this listing comes from

FishFish is an automated service designed to quickly detect and mitigate phishing threats before they can be exploited for malicious purposes. It provides a streamlined solution for identifying harmful resources efficiently.

No keyCORSHTTPS

Verified today: 100% uptime

View Details

SecurityTrails — common questions

Answered from what our own scheduled checks found, not from the provider's marketing.

Is the SecurityTrails API free?

A free account comes with an API key and a small monthly allowance. SecurityTrails is now part of Recorded Future. Checked on 2026-10-24.

Does SecurityTrails need an API key?

Yes, and it is free: you get one by signing up. Send it as APIKEY: YOUR_KEY.

How do I get a SecurityTrails API key?

1. Sign up for a free SecurityTrails account. 2. Copy your key from the API section of your account. 3. Send it in the APIKEY header.

What are the SecurityTrails API rate limits?

A small monthly query allowance, long documented as 50 queries a month. Your account dashboard shows the current figure.

Can I call SecurityTrails from browser JavaScript?

Not directly. SecurityTrails did not return CORS headers when we checked, so the browser will block your page from reading the response even though the request itself succeeds. Call it from a server, or put a small proxy in front of it.

Is SecurityTrails still working?

Yes, as of 2026-10-24. Our automated check reached SecurityTrails and recorded a 100% reliability score with a median response time of 851 ms. We re-check on a schedule, and this page updates with the result.