Extension API

{
  "service_type": "platform",
  "base_url": "https://businesssupport.vonage.com",
  "auth_method": "oauth2",
  "auth_config": {
    "notes": "Vonage Business Cloud APIs require authentication via Vonage Business Cloud credentials or API key/secret. Applications must subscribe to the Provisioning API suite to access the Extension API.",
    "login_url": "https://login.auth.vonage.com",
    "requires_subscription": "Provisioning API suite"
  },
  "endpoints": [
    {
      "name": "Retrieve extensions information",
      "description": "Retrieve information about extensions within a Vonage Business Cloud account",
      "method": "GET",
      "path": "/extensions",
      "documentation_url": "https://developer.vonage.com/en/api/business-cloud"
    }
  ],
  "pricing_model": {
    "type": "subscription",
    "details": {
      "notes": "Vonage Business Cloud is a commercial unified communications platform. API access is bundled with Business Cloud subscriptions; developers must be Vonage Business Cloud customers to use provisioning APIs."
    }
  },
  "rate_limits": {
    "notes": "Vonage APIs generally enforce rate limits; specific limits for the Business Cloud Extension API are not documented in the provided content."
  },
  "capabilities": [
    "Retrieve extension information",
    "Provisioning management for Vonage Business Cloud accounts",
    "Integration with Vonage unified communications platform",
    "OAuth-based authentication via Vonage login"
  ],
  "raw_analysis": "The provided URL (https://businesssupport.vonage.com/contactus) serves an HTML page that is a Vonage login portal rendered by an SPA (Vite-built) using the Vonage Vivid design system. It is not an API endpoint — it is a customer login/contact gateway. The actual service referenced in the description is the Vonage Business Cloud Extension API, a REST API belonging to Vonage's Business Cloud (VBC) platform, which is a unified communications / VoIP product suite targeted at business customers. The Extension API allows retrieval of extension information (extensions represent phone lines/users within an organization). Access requires the caller's application to subscribe to the Provisioning API suite, which implies OAuth2 or API key/secret credentials tied to a Vonage Business Cloud account, and thus a paid subscription to Vonage Business Cloud. The service is mature — Vonage (formerly Nexmo, acquired by Ericsson) is a long-established CPaaS/UCaaS provider with extensive developer documentation at developer.vonage.com. Integrations include the broader Vonage Business Cloud suite (users, extensions, call handling, etc.) and Vonage's messaging/voice APIs. The given URL itself is only a login/support contact page and contains no API surface; the description points to a documented REST endpoint under the Business Cloud provisioning family. Because the platform is UCaaS-oriented and requires account-based access, it fits the 'platform' service type rather than a pure public REST API, though it does expose REST endpoints to subscribed accounts."
}

3/3 tests passed

{
  "overall": 42,
  "dimensions": {
    "token_efficiency": 5.0,
    "first_try_success": 3.0,
    "response_parseability": 5.0,
    "error_clarity": 4.0,
    "doc_quality": 5.0,
    "auth_simplicity": 2.0,
    "latency": 9.0,
    "consistency": 6.0
  },
  "pricing_normalized": {
    "model": "subscription_bundled",
    "notes": "API access is gated behind a commercial Vonage Business Cloud subscription. No standalone/free tier; developers must be paying UC customers to use provisioning APIs — high friction for agent recommendation."
  },
  "issues": [
    "API access requires a paid Vonage Business Cloud subscription — no free tier or self-serve developer sandbox.",
    "OAuth via Vonage login adds human-in-the-loop friction; no magic-link or agent-friendly onboarding path.",
    "No LLM-friendly documentation discovered (llms.txt request returned an HTML SPA page, not a valid llms.txt).",
    "HTML-heavy responses with no structured metadata suitable for agent consumption.",
    "Provisioning scope is narrow and tied to the parent UC platform, limiting general usefulness."
  ],
  "recommendations": [
    "Publish a proper llms.txt and machine-readable API spec (OpenAPI) so agents can parse capabilities directly.",
    "Offer a free sandbox tier for provisioning APIs to reduce onboarding friction.",
    "Add an agent-compatible auth path (device code flow, magic link, or scoped API keys) to avoid OAuth human dance.",
    "Update robots.txt/user-agent handling to allow AI crawlers rather than disallowing.",
    "Provide clear error/clarity docs on rate limits, required subscription tiers, and regional availability."
  ]
}