Kelley Blue Book

{
  "service_type": "platform",
  "base_url": "http://developer.kbb.com/",
  "auth_method": "api_key",
  "auth_config": {
    "api_key_header": "apikey",
    "api_key_parameter": "apikey",
    "documentation_url": "http://developer.kbb.com/#!/data/1-Default"
  },
  "endpoints": [
    {
      "path": "/data/1-Default",
      "method": "GET",
      "description": "Access to Kelley Blue Book vehicle data including pricing, configuration, and other vehicle information."
    }
  ],
  "pricing_model": {
    "type": "unknown",
    "details": "Pricing information not clearly available on the developer portal. Likely requires a commercial agreement with KBB/Cox Automotive."
  },
  "rate_limits": {},
  "capabilities": [
    "Vehicle information retrieval",
    "Pricing data",
    "Vehicle configuration",
    "Additional vehicle data",
    "VIN lookup (batch)",
    "IDWS 4.0 web service"
  ],
  "raw_analysis": "The Kelley Blue Book Developer Portal (developer.kbb.com) is a developer platform for accessing KBB's vehicle valuation and information APIs. It is part of Cox Automotive's suite of services. The platform offers a data API (advertising data) and IDWS 4.0 (Info Driver Web Service) as well as a Batch VIN API. The documentation appears to be a Swagger-based API. Authentication is likely via API key, but specifics are not visible on the main page. The platform is aimed at automotive industry businesses, dealers, and developers needing vehicle pricing and configuration data. Maturity: The portal has been available since at least 2016 (copyright year in footer), but the clutter and missing links might indicate limited active maintenance. It has a developer account system, but it is not fully described on the page. There is no public pricing; likely it requires a business agreement. Overall, it is a niche B2B API for automotive data."
}

3/3 tests passed

```json
{
  "overall": 38,
  "dimensions": {
    "token_efficiency": 4.0,
    "first_try_success": 3.0,
    "response_parseability": 7.0,
    "error_clarity": 4.0,
    "doc_quality": 4.0,
    "auth_simplicity": 4.0,
    "latency": 8.0,
    "consistency": 5.0
  },
  "pricing_normalized": {
    "model": "unknown",
    "transparency": 2.0,
    "notes": "No public pricing; requires commercial agreement with KBB/Cox Automotive"
  },
  "issues": [
    "No clearly documented pricing model - likely enterprise/commercial agreement needed",
    "Authentication flow not specified in the checked docs",
    "Onboarding process unclear - no obvious self-service signup path visible",
    "No llms.txt file - found HTML page instead, indicating lack of AI/LLM-friendly documentation",
    "No security headers detected, though this may not directly affect API usability"
  ],
  "recommendations": [
    "Add self-service signup with API key generation to reduce friction",
    "Publish clear pricing tiers or at least indicate consultation required",
    "Create an llms.txt file to structure documentation for AI agents",
    "Document authentication steps explicitly with examples",
    "Add getting-started guide with sample requests and response schemas"
  ]
}
```