{"service":"Unified Environmental Intelligence API","version":"2.0.0","documentation":"/docs","openapi":"/openapi.json","sample_query":"/environment?lat=13.08&lon=80.27&name=Chennai%20Coast","chat_ui":"/chat","features":["Concurrent multi-source fetching (ThreadPoolExecutor)","Multi-tier caching (24h station metadata, 5m snapshot cache)","Rate limiting (30 requests/minute)","Canonical ISO 8601 UTC timestamp normalization","Automated physical boundary sanity checks","Persisted history + 24h trend diffs (SQLite)","Multi-location registry (GET /locations)","Physics-informed derived insights (heat index, sea state, storm potential, ...)","Config-driven rule-based alerting (GET /alerts)","Optional Slack/Discord alert webhook (ALERT_WEBHOOK_URL)","Phase 3 Grounded LLM Chatbot (/ask, /chat)"],"hyperparameters_count":"50+ physical variables","sources":["Open-Meteo Weather (14 hyperparameters)","Open-Meteo Marine (12 hydrodynamic hyperparameters)","OpenAQ Ground Stations (physical sensor array)","Open-Meteo Air Quality (atmospheric model fallback)","Sunrise-Sunset.org (solar & marine nautical ephemeris)","Open-Meteo Elevation (topography & coastal flood vulnerability)","NASA POWER (climatological solar & weather baseline)","USGS Earthquake Hazards (7-day seismic & tsunami alert)"],"endpoints":["/environment","/environment/history","/locations","/alerts","/ask","/chat","/health","/docs"]}