Returns real-time instantaneous streamflow (discharge) and gage height for any USGS water-monitoring site asGET /service · x402 API by usgs-realtime-streamflow
Returns 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.
What does this x402 API do?
Returns real-time instantaneous streamflow (discharge) and gage height for any USGS water-monitoring site as. This is an x402-gated GET API resource from usgs-realtime-streamflow. The latest safe availability check could not reach the resource on 2026-08-25. The listing records $0.05 USD-denominated per request on Base. No settled paid call has been verified.
- Published price
- $0.05 USD-denominated per request
- Networks
- Base
- Latest evidence
- The latest safe availability check could not reach the resource on 2026-08-25
- Resource ID
- 7fbacc63a292db38ff7e976c
Start with a quote-only recipe. Payment signing stays in your project.
const response = await fetch("https://usgs-realtime-streamflow.hergertsynthora.com/service", {
method: "GET",
});
console.log(response.status);
console.log(Object.fromEntries(response.headers));
console.log((await response.text()).slice(0, 1000));
// A valid 402 is a quote, not a completed paid call.This sends no payment. Inspect the 402 response before adding a wallet-enabled client.
- Exact route checked
unreachable · UND_ERR_CONNECT_TIMEOUT
- Origin reachable
HEAD https://usgs-realtime-streamflow.hergertsynthora.com/ returned 404.
- Observed in 402-index
Discovered through bazaar.
- Registry record checked
Registry health: healthy.
What evidence supports this listing?
Each record has an exact-route quote outcome. Unresolved templates and potentially mutating methods are labeled instead of being invoked without provider-specific test input. A quote is still separate from a settled paid call. Read the discovery and verification methodology →
Which networks and payment options does it accept?
The normalized listing price is $0.05 USD-denominated per request. Raw protocol requirements remain visible below for implementation and audit use.