vk

{
  "service_type": "platform",
  "base_url": "https://vk.com/dev/sites",
  "auth_method": "oauth",
  "auth_config": {
    "authorization_url": "https://oauth.vk.com/authorize",
    "token_url": "https://oauth.vk.com/access_token",
    "scopes": ["notify", "friends", "photos", "audio", "video", "docs", "notes", "pages", "status", "offers", "questions", "wall", "groups", "messages", "email", "notifications", "stats", "ads", "market", "offline", "stories", "app_widget", "groups_messages", "direct_media", "manage"],
    "additional_settings": {
      "api_version": "5.131",
      "auth_requires_https": true
    }
  },
  "endpoints": [],
  "pricing_model": {
    "type": "unknown",
    "details": {
      "user_access": "free for users",
      "developer_apps": "free to create, no explicit paid tiers",
      "monetization": "Ads and in-app purchases possible for apps, but API access itself is free"
    }
  },
  "rate_limits": {
    "standard": "3 requests per second per method",
    "calls_per_day": "unknown, but has 'lots of calls' threshold",
    "for_vk_apps": "20 requests per second for apps with >100k users",
    "notification_messages": "limited to 200 messages per day for groups"
  },
  "capabilities": [
    "Social networking and messaging",
    "User profiles and friends",
    "Wall and news feed posting",
    "Photos, video, audio, docs management",
    "Groups and communities management",
    "Messages and chat automation (bots)",
    "Notifications and push",
    "Analytics and statistics",
    "Ads management",
    "Marketplace and e-commerce",
    "Games and mini-apps",
    "Stories and media sharing",
    "Embedded content and widgets",
    "Open Graph actions"
  ],
  "raw_analysis": "VK (VKontakte) is a major Russian and international social network often called 'the Russian Facebook.' The developer portal at https://vk.com/dev/sites provides documentation and tools for integrating third-party sites, apps, and services with VK. It focuses on enabling web developers to add social features like login, sharing, media, and messaging to their own sites.\n\nKey capabilities include OAuth 2.0 authentication for user identity and permission grants, REST-like API methods for accessing user and group data, wall posts, photos, audio, video, and messaging. VK also offers a JavaScript SDK for client-side integration and an API for server-side calls. The platform supports building standalone web apps, mini-apps, and games, with monetization options like ads and virtual currency.\n\nThe API is mature and extensively used in Russia and Eastern Europe, with a large ecosystem of developer libraries and tools. Documentation is comprehensive and available in both Russian and English. Integrations exist for common services like Firebase (push notifications), Zapier (limited), and many custom apps.\n\nAuthentication: VK uses OAuth 2.0. Developers need to register an app to obtain a client ID and secret. Tokens can be server-side (with exchange of secret) or implicit flow for client-side apps. Scopes are used to request specific permissions.\n\nRate limits: General API limit is 3 requests per second per method. It may be subject to scaling based on app activity and user count. There are also specific limits, e.g., for sending messages or accessing certain data.\n\nPricing: No direct charges for API access, but VK may take a cut of virtual currency transactions or ad revenue. Overall, the platform is free to use, making it a low-cost option for social integration.\n\nCapabilities: The API is robust, covering social graph, content sharing, media handling, real-time messaging via Long Poll API or Callback API, and support for community management. For websites, it offers 'Sites' documentation specifically focused on web integration.\n\nMaturity: VK has been operating for over a decade and its API is stable and actively developed. It is a strong platform for targeting Russian-speaking audiences, but less relevant globally.\n\nIntegrations: VK SDKs exist for popular languages (PHP, JS, Python, Java, C#), and frameworks like Laravel have packages. It integrates with Firebase for push notifications and supports webhooks.\n\nConclusion: VK is a capable social platform for developers seeking to engage Russian-speaking users. The API is well-documented but rate-limited and requires handling VK-specific conventions. It is best suited for social features, not a general-purpose data API."
}

1/3 tests passed

```json
{
  "overall": 42,
  "dimensions": {
    "token_efficiency": 4.0,
    "first_try_success": 3.5,
    "response_parseability": 6.5,
    "error_clarity": 5.0,
    "doc_quality": 4.0,
    "auth_simplicity": 3.0,
    "latency": 2.0,
    "consistency": 3.0
  },
  "pricing_normalized": {
    "user_access": "free",
    "developer_apps": "free",
    "monetization": "ad-supported"
  },
  "issues": [
    "Website latency is very high (2982ms) for a core social platform",
    "No robots.txt found (404) - poor for crawlers and discoverability",
    "No llms.txt file - not optimized for AI agent integration",
    "API access and developer onboarding not documented in check results",
    "Auth flow likely requires traditional phone/email verification, not agent-friendly",
    "Russian-focused platform with unclear international accessibility"
  ],
  "recommendations": [
    "Improve server response times to under 500ms for better UX and SEO",
    "Add robots.txt and llms.txt to aid content discovery and AI integration",
    "Provide clear, structured API documentation with sandbox environment",
    "Implement SSO/OAuth simplified login for quicker developer onboarding",
    "Create dedicated AI agent onboarding guides with example flows",
    "Publish explicit rate limits and error code reference for developers"
  ]
}
```