# New Site Index

> Real-time directory of newly launched websites detected across the web.

## What this is
New Site Index (https://newsiteindex.com) tracks domains the moment they go live — typically within 24-72 hours of a site's first appearance. It covers thousands of new websites per day, primarily from the US.

## Machine-readable endpoints
- OpenAPI spec: https://newsiteindex.com/openapi.json
- AI plugin manifest: https://newsiteindex.com/.well-known/ai-plugin.json
- This file: https://newsiteindex.com/llms.txt

## What the data includes
Each site listing includes:
- domain (e.g. "example.com")
- title and description
- category (Tech, Business, Health, Entertainment, Education, Finance, Lifestyle, Other)
- country of origin (ISO code, e.g. "US")
- detected_at (ISO 8601 timestamp)
- authority_score (0–100 domain authority estimate)
- has_ssl (boolean)
- tech_stack (array, e.g. ["WordPress", "Cloudflare"])
- screenshot_url (CDN-hosted screenshot image)
- contact_email (if publicly available)
- slug (URL-safe identifier for the listing page)

## API
Public API — no authentication required.

  GET https://newsiteindex.com/api/sites

### Query parameters
- limit (integer, default 200, max 500)
- skip (integer, default 0, for pagination)
- sort (string, default "-detected_at"; prefix "-" for descending)
- category (string: Tech | Business | Health | Entertainment | Education | Finance | Lifestyle | Other)
- country (string, ISO code, e.g. "US")
- date (string, YYYY-MM-DD — sites detected on a specific day)
- search (string — searches domain, title, description, category)
- slug (string — fetch one listing by slug)
- domain (string — fetch one listing by domain)

### Example requests
- Latest 10 tech sites: GET /api/sites?limit=10&category=Tech&sort=-detected_at
- Sites detected today: GET /api/sites?date=2026-04-04
- US sites only: GET /api/sites?country=US&limit=50
- Search for AI tools: GET /api/sites?search=ai+tools
- Lookup by domain: GET /api/sites?domain=example.com

### Response format
Returns a JSON array of site objects. Example:
```json
[
  {
    "domain": "example.com",
    "title": "Example Site",
    "description": "What the site does",
    "category": "Tech",
    "country": "US",
    "detected_at": "2026-04-04T10:23:00Z",
    "authority_score": 12,
    "has_ssl": true,
    "tech_stack": ["WordPress", "Cloudflare"],
    "screenshot_url": "https://cdn.../screenshot.jpg",
    "contact_email": "hello@example.com",
    "slug": "example-com"
  }
]
```

## Submit a site
  POST https://newsiteindex.com/api/submit
  Content-Type: application/json
  Body: { "domain": "example.com", "name": "Site Name", "email": "you@example.com", "description": "...", "category": "Tech" }

## Claim a listing
Site owners can claim their listing at: https://newsiteindex.com/claim

## Use cases for agents and LLMs
- Find new competitors or entrants in a niche by category
- Monitor a specific domain for its first appearance
- Discover new websites in a specific country
- Get contact emails of new site owners for outreach
- Research tech stack adoption trends among new websites
- Identify newly launched SaaS tools, directories, or media sites

## Data freshness
New sites are added automatically multiple times per day via automated detection pipelines.

## Rate limits
No authentication required for read access. Please keep requests under 1 per second for sustained queries.

## Contact
hello@newsiteindex.com