Now in public beta

Website intelligence
in one API call

Stop stitching together 5 different APIs. Send any URL to The Index and get back company info, tech stack, contacts, and trust signals — structured JSON, ready for your AI agents and workflows.

See it in action

500 free API calls/month. No credit card required.

Built for the people who build with AI

AI Agent Builders

Give your agents a single tool call to research any company. Works with LangChain, CrewAI, and any framework.

Indie Developers

Power your browser extensions, SaaS tools, and side projects with real-time website data. Start free.

No-Code Automators

Drop a single HTTP node into your n8n, Make, or Zapier workflow. No custom code needed.

One request. Complete intelligence.

Send any URL and get back structured JSON in seconds — ready for your AI agents, CRMs, and automations.

{
  "url": "https://vercel.com",
  "company": {
    "name": "Vercel",
    "description": "Develop. Preview. Ship.",
    "industry": "SaaS / Software"
  },
  "tech_stack": {
    "cms": [],
    "frameworks": ["React", "Next.js"],
    "analytics": ["Google Analytics", "Segment"],
    "ecommerce": [],
    "cdn": ["Cloudflare"],
    "payment": [],
    "detected_technologies": ["React", "Next.js", "Google Analytics", "Segment", "Cloudflare"]
  },
  "contact": {
    "emails": ["support@vercel.com"],
    "phone_numbers": [],
    "social_links": {
      "twitter": "https://twitter.com/vercel",
      "linkedin": "https://linkedin.com/company/vercel"
    }
  },
  "meta": {
    "title": "Vercel: Build and deploy the best web experiences",
    "description": "Vercel's Frontend Cloud gives developers frameworks...",
    "favicon": "https://vercel.com/favicon.ico",
    "language": "en"
  },
  "trust_signals": {
    "has_ssl": true,
    "has_privacy_policy": true,
    "has_terms_of_service": true
  },
  "confidence_score": 0.95,
  "cached": false,
  "scraped_at": "2026-03-27T14:30:00Z"
}

Company Intel

Name, description, and industry — extracted automatically from any website.

Full Tech Stack

CMS, frameworks, analytics, CDN, payment — 50+ technologies detected.

Contact & Social

Emails, phone numbers, and social links — scraped from the page in real time.

Simple, predictable pricing

Start free. Upgrade when you need more. Deep Scan included on every plan.

Free

$0forever

500 calls/month

  • 500 API calls/month
  • 25 Deep Scans/month
  • All data fields included
  • 24-hour result caching
  • Community support
Most Popular

Starter

$29/month

5,000 calls/month

  • 5,000 API calls/month
  • 100 Deep Scans/month
  • All data fields included
  • 24-hour result caching
  • Priority support
  • Force refresh option

Pro

$99/month

50,000 calls/month

  • 50,000 API calls/month
  • 500 Deep Scans/month
  • All data fields included
  • 24-hour result caching
  • Priority support
  • Force refresh option
  • Higher rate limits

Business

$299/month

250,000 calls/month

  • 250,000 API calls/month
  • 25,000 Deep Scans/month
  • All data fields included
  • 24-hour result caching
  • Dedicated support
  • Force refresh option
  • Highest rate limits