C

ClearCheck · Streamflow

by ClearCheck

GETBaseSolanaArbitrumPolygon

$0.01

per call · USD Coin on Base

Live streamflow for a USGS gauge with a HIGH / NORMAL / LOW verdict vs the site's own median for this day of year.

Endpoint

GET https://loonie-toll.onrender.com/streamflow

2

Calls / 30d

1

Unique payers / 30d

Sep 9

Last called

exact

Payment scheme

Call this service

TypeScript · @x402/fetch
import { wrapFetchWithPayment } from "@x402/fetch";
import { privateKeyToAccount } from "viem/accounts";

const account = privateKeyToAccount(process.env.PRIVATE_KEY);
const fetchWithPay = wrapFetchWithPayment(fetch, account);

const res = await fetchWithPay("https://loonie-toll.onrender.com/streamflow", {
  method: "GET",
});
const data = await res.json();
cURL
curl -X GET \
  "https://loonie-toll.onrender.com/streamflow?site=03431500" \
  -H "X-PAYMENT: <signed x402 payment>"

Example response

{
  "discharge": {
    "observedAt": "2026-09-08T19:30:00.000-05:00",
    "siteName": "CUMBERLAND RIVER AT NASHVILLE, TN",
    "unit": "ft3/s",
    "value": 7710
  },
  "disclaimer": "Advisory only, provided as is without warranty of accuracy or completeness. Gauge data is provisional and subject to revision by USGS. Never rely on this for flood safety decisions — consult official …",
  "gageHeight": {
    "observedAt": "2026-09-08T19:30:00.000-05:00",
    "siteName": "CUMBERLAND RIVER AT NASHVILLE, TN",
    "unit": "ft",
    "value": 16.66
  },
  "historicalMedianForToday": 9090,
  "query": {
    "site": "03431500"
  },
  "reasons": [
    "CUMBERLAND RIVER AT NASHVILLE, TN: 7,710 ft3/s discharge, gauge height 16.66 ft.",
    "85% of the historical median for this calendar day (9,090 cfs over 16 years of record)."
  ],
  "retrievedAt": "2026-09-09T00:57:38.478Z",
  "siteName": "CUMBERLAND RIVER AT NASHVILLE, TN",
  "source": "USGS Water Services (waterservices.usgs.gov)",
  "verdict": "NORMAL",
  "yearsOfRecord": 16
}

Payment details

Pay to0xb531320805c5bed1d46aeadcf4f008fdf172dbda
AssetUSD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913
NetworksBase, Solana, Arbitrum, Polygon
Schemesexact

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