Endpoint · otherPOSTusgs-realtime-streamflow.hergertsynthora.com/service

Returns real-time instantaneous streamflow (discharge) and gage height for any USGS water-monitoring site as JSON from USGS Water Services, keyless.

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.

UNRATEDDelisted

Overview

Grade?

UNRATED

0 of 30 paid calls toward a letter

Price

$0.05 per call

Paid calls

none yet

delivery unknown until someone pays

More info

Seller?

0x10800a5a…4b427de0

URL

https://usgs-realtime-streamflow.hergertsynthora.com/service

Seen

first 35 days ago · last 22 days ago

38 free handshakes

Payment

Pays through

x402

Offered on?

Base USDC

Listed on?

Base

Score, from free handshakes onlyweights 2026.09.2

UN
RATED

0.698 liveness verified, no letter

To a letter · 30 paid calls

0 of 30

Held down by latency p95 · gap to 1.000 is 0.302: 0.102 uncertain ? + 0.200 short ? · 0.102 to B

How the composite of 0.698 is made up, part by part
Component	Weight	Measured	Lower bound ?		Adds	Short ?	Uncertain ?
latency p95costs the most it answered as fast as its class	0.20	0.00	0.000		0.000	−0.200	0
liveness it answered at all	0.60	1.00	0.829		0.498	0	−0.102
price stability the price stayed where it was listed	0.20	1.00	1.000		0.200	0	0
Composite	1.00		0.698	gap to 1.000 = 0.302 · 0.200 short · 0.102 uncertain	0.698	−0.200	−0.102

Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check

The multiplication, written out

  0.200 × 0.000   latency p95    
+ 0.600 × 0.829   liveness       
+ 0.200 × 1.000   price stability
= 0.698           → UNRATED: 36 of 30 paid calls      weights 2026.09.2 · 36 samples · seed cap_01M1A59XWK8920N1136ZGHQ87B|2026-08-19T05:13:40.148Z|2026.09.2

Verify it yourselfnpx teppi-check https://usgs-realtime-streamflow.hergertsynthora.com/servicecurl -s https://api.teppi.xyz/v1/trust/cap_01M1A59XWK8920N1136ZGHQ87B