{
  "schema_version": "1.0",
  "name": "WaterPulse",
  "description": "Global water intelligence API. Covers US groundwater levels (USGS 10,000+ monitoring wells), streamflow at gauge stations, drought status (US Drought Monitor D0-D4), water quality (EPA WQP — nitrates, lead, arsenic, PFAS, bacteria), aquifer sustainability analysis (Ogallala, Central Valley, Floridan, 30+ systems), flood risk with FEMA zone context, global water stress by country and basin (WRI Aqueduct/FAO AQUASTAT/NASA GRACE), agricultural water use and curtailment intelligence, and comprehensive municipal water supply briefs. Pay-per-query via x402 on Base mainnet. Zero API keys required for data sources.",
  "url": "https://waterpulse-henna.vercel.app",
  "version": "1.0.0",
  "capabilities": [
    {
      "id": "groundwater",
      "name": "Groundwater Levels",
      "description": "Real-time USGS groundwater monitoring well data — depth-to-water, trend, and drought risk for any US state",
      "endpoint": "/api/water/groundwater",
      "price_usd": 0.08,
      "payment": "x402"
    },
    {
      "id": "streamflow",
      "name": "Streamflow",
      "description": "Live river and stream discharge from USGS gauge stations — flow conditions, flood stage, and low-flow drought signals",
      "endpoint": "/api/water/streamflow",
      "price_usd": 0.05,
      "payment": "x402"
    },
    {
      "id": "drought",
      "name": "Drought Status",
      "description": "US Drought Monitor D0-D4 breakdown, trend analysis, and agriculture/municipal/wildfire impact for any US state",
      "endpoint": "/api/water/drought",
      "price_usd": 0.08,
      "payment": "x402"
    },
    {
      "id": "quality",
      "name": "Water Quality",
      "description": "EPA WQP + USGS water quality parameters — nitrates, lead, arsenic, PFAS, bacteria vs EPA MCL limits with health guidance",
      "endpoint": "/api/water/quality",
      "price_usd": 0.08,
      "payment": "x402"
    },
    {
      "id": "aquifer",
      "name": "Aquifer Analysis",
      "description": "Deep analysis of major US aquifer systems — depletion rates, recharge deficit, agricultural dependency, sustainability score",
      "endpoint": "/api/water/aquifer",
      "price_usd": 0.15,
      "payment": "x402"
    },
    {
      "id": "flood-risk",
      "name": "Flood Risk",
      "description": "Real-time flood risk intelligence — USGS stream gauges + FEMA flood zones + upstream conditions + 72-hour outlook",
      "endpoint": "/api/water/flood-risk",
      "price_usd": 0.15,
      "payment": "x402"
    },
    {
      "id": "global-stress",
      "name": "Global Water Stress",
      "description": "Country and basin-level water stress — freshwater availability, transboundary conflict risk, climate trajectory, investment implications",
      "endpoint": "/api/water/global-stress",
      "price_usd": 0.15,
      "payment": "x402"
    },
    {
      "id": "agriculture-use",
      "name": "Agricultural Water Use",
      "description": "Irrigation demand, water rights curtailments, crop water budgets, and farm water cost intelligence for any US state",
      "endpoint": "/api/water/agriculture-use",
      "price_usd": 0.15,
      "payment": "x402"
    },
    {
      "id": "supply-brief",
      "name": "Municipal Supply Brief",
      "description": "Comprehensive water supply brief for any US city — reservoir storage, utility outlook, rate trajectory, 5-year risk rating",
      "endpoint": "/api/water/supply-brief",
      "price_usd": 0.20,
      "payment": "x402"
    }
  ],
  "payment": {
    "protocol": "x402",
    "network": "eip155:8453",
    "asset": "USDC",
    "asset_address": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "price_range": { "min": 0.05, "max": 0.20, "currency": "USD" }
  },
  "data_sources": [
    "USGS National Water Information System (no key)",
    "US Drought Monitor — NDMC/USDA/NOAA (no key)",
    "EPA Water Quality Portal (no key)",
    "WRI Aqueduct (synthesis)",
    "FAO AQUASTAT (synthesis)",
    "NASA GRACE-FO (synthesis)",
    "FEMA NFIP (synthesis)",
    "USDA NASS (synthesis)"
  ],
  "geographic_coverage": "US (USGS/EPA/Drought Monitor), Global (water stress/aquifer/synthesis)",
  "language_support": ["en", "es", "fr", "de", "ja", "zh", "ko", "pt", "ar", "hi"],
  "target_users": [
    "Water resource engineers and hydrologists",
    "Agricultural operators and irrigation managers",
    "Real estate investors and ESG analysts",
    "Municipal water utilities and planners",
    "Insurance underwriters and flood risk analysts",
    "Environmental researchers and scientists",
    "AI agents monitoring water risk autonomously"
  ],
  "openapi_url": "https://waterpulse-henna.vercel.app/openapi.json",
  "llms_txt_url": "https://waterpulse-henna.vercel.app/llms.txt"
}