WaterPulse · Water Gauge
by WaterPulse
$0.01
per call · USD Coin on Base
Live USGS river-gauge tick, deterministic. Answers "what is the flow at this gauge right now", "is this river high or low vs this week". Returns the latest streamflow (discharge, cfs) and gage height (ft) for one USGS site plus the 7-day min/max range, reading count, site name and coordinates, straight from USGS instantaneous values. Unknown sites 404 before payment. No LLM, no key, public domain.
Endpoint
GET https://waterpulse.theaslangroupllc.com/api/water/gauge18
Calls / 30d
3
Unique payers / 30d
Sep 6
Last called
exact
Payment scheme
Call this service
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://waterpulse.theaslangroupllc.com/api/water/gauge", {
method: "GET",
});
const data = await res.json();curl -X GET \
"https://waterpulse.theaslangroupllc.com/api/water/gauge?site=01646500" \
-H "X-PAYMENT: <signed x402 payment>"Example response
{
"deterministic": true,
"readings": [
{
"latestValue": 4420,
"max7d": 5210,
"min7d": 3890,
"parameterCd": "00060",
"unit": "ft3/s",
"variableName": "Streamflow, ft³/s"
}
],
"site": {
"code": "01646500",
"latitude": 38.9498,
"longitude": -77.1276,
"name": "POTOMAC RIVER NEAR WASH, DC LITTLE FALLS PUMP STA"
}
}Payment details
0x50ab2018c06c6e4eaa9ba52057eb55ed284912fcUSD Coin · 0x833589fcd6edb6e08f4c7c32d4f71b54bda02913Is this your API?
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