Tankerkoenig

{
  "service_type": "platform",
  "base_url": "https://creativecommons.tankerkoenig.de",
  "auth_method": "api_key",
  "auth_config": {
    "api_key": {
      "header": "X-API-Key",
      "location": "header",
      "type": "string"
    }
  },
  "endpoints": [
    {
      "path": "/json/prices.php",
      "method": "GET",
      "description": "Get current prices for a specific station",
      "parameters": ["lat", "lng", "rad", "sort", "type", "apikey"]
    },
    {
      "path": "/json/detail.php",
      "method": "GET",
      "description": "Get station details",
      "parameters": ["id", "apikey"]
    },
    {
      "path": "/json/list.php",
      "method": "GET",
      "description": "List stations within a radius around a coordinate",
      "parameters": ["lat", "lng", "rad", "sort", "type", "apikey"]
    },
    {
      "path": "/json/stations.php",
      "method": "GET",
      "description": "Get station information and prices (alternative to list.php)",
      "parameters": ["lat", "lng", "rad", "sort", "type", "apikey"]
    }
  ],
  "pricing_model": {
    "type": "free",
    "details": "Open data provided under a free license. API key required for access; usage may be subject to rate limits."
  },
  "rate_limits": {
    "unknown": "No explicit documentation on limits; likely fair use policy."
  },
  "capabilities": [
    "Realtime fuel price retrieval for Germany",
    "Station discovery by location and radius",
    "Price and station detail lookup",
    "Support for multiple fuel types (e.g., diesel, E5, E10)",
    "Sorting options by price or distance",
    "Swagger/OpenAPI documentation for integration"
  ],
  "raw_analysis": "The Tankerkoenig service provides real-time fuel prices for Germany, targeting developers and consumers who need current gas/diesel prices. It is a mature, publicly available API with clear documentation via Swagger. The API is free to use but requires an API key, suggesting it is intended for lighter usage. It supports basic CRUD-like operations for stations and prices, with endpoints for listing, details, and prices. The service is well-integrated into the German fuel price transparency ecosystem, often used by apps and websites to display fuel prices. There is no authorization framework beyond API key; no OAuth or complex auth. Pricing is free, but rate limits are not explicitly documented, so usage is likely restricted to avoid abuse. The API is JSON-based and well-suited for quick lookups."
}

2/3 tests passed

```json
{
  "overall": 72,
  "dimensions": {
    "token_efficiency": 8.0,
    "first_try_success": 6.5,
    "response_parseability": 9.0,
    "error_clarity": 7.0,
    "doc_quality": 7.5,
    "auth_simplicity": 6.0,
    "latency": 6.5,
    "consistency": 7.0
  },
  "pricing_normalized": {
    "cost_per_req": 0,
    "free_tier": true,
    "notes": "Free open data with API key requirement and potential rate limits"
  },
  "issues": [
    "Requires API key registration (not immediate access)",
    "No llms.txt file for AI-optimized documentation",
    "No security headers on website response",
    "Website response time over 500ms (744ms)"
  ],
  "recommendations": [
    "Add llms.txt for AI agent discoverability",
    "Provide instant API key issuance or demo key for quick testing",
    "Improve website response time",
    "Simplify API key registration process",
    "Add detailed rate limit documentation"
  ]
}
```