Discovery

GET /api/v1/health

{
  "checked_at": "2026-06-28T10:00:00.000Z",
  "providers": {
    "analytics": ["gsc", "ga4", "plausible"],
    "serp": ["dataforseo", "serpapi"]
  },
  "rate_limits": {
    "dataforseo": { "per_minute": 1800, "window_seconds": 60 },
    "ga4": { "per_minute": 60, "window_seconds": 60 },
    "gsc": { "per_minute": 600, "window_seconds": 60 },
    "plausible": { "per_minute": 60, "window_seconds": 60 },
    "serpapi": { "per_minute": 60, "window_seconds": 60 }
  },
  "serp": {
    "default_depth": 100,
    "default_device": "desktop",
    "default_market": "United States",
    "depths": [10, 20, 50, 100],
    "devices": ["desktop", "mobile"],
    "engine": "google",
    "markets": [
      {
        "gl": "us",
        "language_code": "en",
        "language_label": "English",
        "name": "United States"
      }
    ]
  },
  "services": {
    "app": "ok",
    "database": "ok"
  },
  "status": "ok"
}

GET /api/v1/openapi.json

GET /api/v1/capabilities

{
  "data": [
    {
      "name": "listKeywords",
      "operationId": "listKeywords",
      "description": "List project keywords",
      "input_schema": {
        "type": "object"
      }
    }
  ]
}

GET /api/v1/provider-rates

GET /api/v1/cost-estimate

GET /api/v1/llms.txt