Who Hosts This API

{
  "service_type": "platform",
  "base_url": "https://www.who-hosts-this.com",
  "auth_method": "api_key",
  "auth_config": {
    "key_location": "query_param",
    "key_param_name": "key",
    "registration_url": "https://www.who-hosts-this.com/Account/Key?cmd=RegisterForm",
    "login_url": "https://www.who-hosts-this.com/API?cmd=LoginForm"
  },
  "endpoints": [
    {
      "name": "Hosting Detection API",
      "path": "/API",
      "method": "GET",
      "description": "Programmatically detect the hosting provider for a given website. See /Documentation for full spec.",
      "docs_url": "https://www.who-hosts-this.com/Documentation"
    },
    {
      "name": "Hosts Directory",
      "path": "/Hosts",
      "method": "GET",
      "description": "Browse the most popular hosting providers detected by the platform."
    },
    {
      "name": "Search Hosts",
      "path": "/SearchHosts",
      "method": "GET",
      "description": "Search the host provider database by query string.",
      "parameters": [
        {
          "name": "q",
          "type": "string",
          "required": true,
          "description": "Host name or keyword to search for."
        }
      ]
    }
  ],
  "pricing_model": {
    "type": "freemium",
    "details": {
      "free_tier": "likely limited free queries for casual lookups on the website",
      "plans_url": "https://www.who-hosts-this.com/API/Plans",
      "signup_required_for_api": true,
      "notes": "API access requires registration and an API key. Pricing page exists at /API/Plans; exact tier amounts not visible from this page."
    }
  },
  "rate_limits": {
    "notes": "Not documented on this page; likely tier-dependent per API plan."
  },
  "capabilities": [
    "Detect hosting provider for any website URL",
    "Browse most popular hosting providers",
    "Search host providers by name",
    "Programmatic API access for hosting detection",
    "API key management and user accounts",
    "Batch / bulk detection (referenced elsewhere on the site)",
    "Blog and technology trend content",
    "Related detection services: CMS detection (WhatCMS.org), WordPress theme detection (ThemeDetect.com), Shopify theme detection (Shopify-Themes.com)"
  ],
  "raw_analysis": "Who Hosts This (who-hosts-this.com) is a free-ish web tool and API service that identifies the hosting provider behind any given website. The analyzed page is the Contact page but the surrounding navigation and footer reveal the broader product surface: a hosting-detection API, a host provider directory, and a search page for hosts. The service is part of a small network of detection tools operated by the same entity, including WhatCMS.org (CMS and web technology detection), ThemeDetect.com (WordPress theme detection), Shopify-Themes.com (Shopify theme detection), and Tech-Detect.com ('next gen detections').\n\nWho it's for: developers, SEO professionals, competitive researchers, security analysts, and businesses that want to know where sites are hosted, either one-off via the website or at scale via the API and batch endpoints. The API sign-up flow (Register / Log In / Get API Key) is exposed in the navbar, and there's a dedicated Documentation page and Pricing/Plans page. Authentication is via API key tied to an account.\n\nMaturity: The site is built on Typesetter CMS (generator meta tag) with a Bootstrap 4 theme (Yeti layout). It runs Google AdSense ads and reCAPTCHA on the contact form, indicating a independently operated, ad-supported project of modest scale rather than a large enterprise SaaS. It has an Atom blog feed, an About page, and Terms. The footer tagline ('Hosting detection without doctored reviews or paid recommendations') positions it as an impartial data source, differentiating from affiliate-driven hosting review sites.\n\nIntegrations: No third-party integration marketplace is evident. The API is the primary programmatic surface, and the 'related services' indicates a loosely coupled ecosystem of sibling detection sites rather than deep integrations. The Contact page itself is just a reCAPTCHA-protected web form posting to /Contact with cmd=gp_send_message — not an API endpoint."
}

2/3 tests passed

```json
{
  "overall": 68,
  "dimensions": {
    "token_efficiency": 8.0,
    "first_try_success": 6.5,
    "response_parseability": 7.5,
    "error_clarity": 6.0,
    "doc_quality": 7.0,
    "auth_simplicity": 6.0,
    "latency": 9.5,
    "consistency": 8.0
  },
  "pricing_normalized": {
    "type": "freemium",
    "free_tier": "limited free web lookups",
    "api_signup_required": true,
    "plans_url": "https://www.who-hosts-this.com/API/Plans",
    "notes": "Exact API tier amounts not discoverable from landing page; requires registration + API key."
  },
  "issues": [
    "No llms.txt (404) — agents can't get a machine-readable capability summary",
    "No security headers on responses — weak signal for trust/enterprise use",
    "Pricing tiers not visible without navigating deeper (/API/Plans) — adds a discovery step for agents recommending it",
    "API key registration required — no magic-link or SSO-style frictionless onboarding described",
    "Landing page includes ad network prefetch (pagead2.googlesyndication) — suggests ad-supported free tier, not a clean developer-first surface"
  ],
  "recommendations": [
    "Publish an llms.txt with capability summary, endpoint list, and pricing pointers",
    "Expose structured OpenAPI/JSON schema for the detection API so agents can parse capabilities without scraping HTML",
    "Surface concrete free-tier limits and API pricing directly on the homepage to reduce discovery steps",
    "Add clear error/rate-limit documentation (status codes, quota semantics) for API consumers",
    "Consider agent-friendly auth (verified identity / notlogin-style) to reduce signup friction for programmatic use"
  ]
}
```