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Weather Forecast

by NWS Weather for Agents in Weather & location

x402 APIPassing, checked 8 min ago

US weather forecast API for agents: return a normalized National Weather Service (NOAA/NWS) multi-period forecast for $0.001 USDC from latitude/longitude only—US coverage, attributed periods, no arbitrary URL proxy and no global weather claim.

POST https://api.delx.ai/api/v1/x402/weather-forecast

Last 30 days

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Uptime
100%
Response time
28 ms typical, 28 ms slowest 5%
Last check
8 min ago
Next check
in 24 min

How to call it

# See the payment challenge (nothing is charged)
curl -i -X POST "https://api.delx.ai/api/v1/x402/weather-forecast" \
  -H "content-type: application/json" \
  -d '{"latitude":38.9072,"longitude":-77.0369,"periods":2}'
import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client().register(
  "eip155:8453",
  new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? Preflight it first for $0.005:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.delx.ai%2Fapi%2Fv1%2Fx402%2Fweather-forecast
const res = await pay("https://api.delx.ai/api/v1/x402/weather-forecast", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({"latitude":38.9072,"longitude":-77.0369,"periods":2}),
});
console.log(await res.json());

Example input

{
  "latitude": 38.9072,
  "longitude": -77.0369,
  "periods": 2
}

Example output

{
  "result": {
    "attribution": "Forecast data supplied by the National Weather Service; see provider_url for source and coverage.",
    "cache": "miss",
    "coordinates": {
      "latitude": 38.9072,
      "longitude": -77.0369
    },
    "coverage": "US",
    "forecast_url": "https://api.weather.gov/gridpoints/LWX/96,70/forecast",
    "periods": [
      {
        "endTime": "2026-08-01T18:00:00-04:00",
        "isDaytime": true,
        "name": "Today",
        "number": 1,
        "shortForecast": "Mostly Sunny",
        "startTime": "2026-08-01T12:00:00-04:00",
        "temperature": 87,
        "temperatureUnit": "F"
      },
      {
        "endTime": "2026-08-02T06:00:00-04:00",
        "isDaytime": false,
        "name": "Tonight",
        "number": 2,
        "shortForecast": "Mostly Clear",
        "startTime": "2026-08-01T18:00:00-04:00",
        "temperature": 70,
        "temperatureUnit": "F"
      }
    ],
    "periods_requested": 2,
    "periods_returned": 2,
    "provider": "National Weather Service (NOAA)",
    "provider_url": "https://www.weather.gov/",
    "schema": "delx/weather-forecast/v1"
  },
  "tool_name": "get_weather_forecast_nws"
}

Security scan

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Recent checks

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