usgs-realtime-streamflow.hergertsynthora.com
answeringReturns real-time instantaneous streamflow (discharge) and gage height for any USGS water-monitoring site as JSON from USGS Water Services, keyless. Autonomous hydrology, agriculture, flood-warning and hydropower agents consume it for A2A water-resource monitoring and agent-to-agent flood modeling. Ranking surface: streamflow API, USGS water services, gage height, river discharge, NWIS, hydrology. Pay-per-call via x402 on Base. No charge on upstream failure.
- Endpoint
- https://usgs-realtime-streamflow.hergertsynthora.com/service
- Price
- $0.05 / call
- Settles via
- cdp
- Category
- —
- Last seen live
- Tue, 08 Sep 2026 05:24:04 UTC
- Last probed
- Tue, 08 Sep 2026 05:24:04 UTC
- First indexed
- Tue, 08 Sep 2026 05:22:24 UTC
- Sources
- cdp-x402
Probe history
Last 1 probes, newest on the right. 100% answered with a payment challenge.
| When | Result | Method | Status | Latency |
|---|---|---|---|---|
| Tue, 08 Sep 2026 05:24:03 UTC | challenge | http-402 | 402 | 1088 ms |
JSON: /api/v1/services/usgs-realtime-streamflow.hergertsynthora.com. Own this service? Update the listing.