USGS Water API
Geography & WeatherAccess USGS Water public data through one AllAPI key — 6 endpoints across the USGS Water surface. No USGS Water account, no credentials, no scraping stack — one anonymous request returns real data or a documented honest error, never fabricated.
| Method | Endpoint | Operation |
|---|---|---|
| POST | /api/usgs_water/daily | Daily |
| POST | /api/usgs_water/daily_range | Daily range |
| POST | /api/usgs_water/instantaneous | Instantaneous |
| POST | /api/usgs_water/sites | Sites |
| POST | /api/usgs_water/sites_by_state | Sites by state |
| POST | /api/usgs_water/stats | Stats |
Call the USGS Water API in one line
Free tier — 200 credits/month, no card. One key works across all 468 platforms, 39 MCP tools and 48 composites.
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