DataPulse

NOAA HRRR weather at
any CONUS coordinate

Ask a coordinate what the weather will be. DataPulse reads NOAA HRRR (High-Resolution Rapid Refresh) 3km surface forecasts directly from the AWS Registry of Open Data and returns structured values — temperature, dew point, wind speed and direction, precipitation, and cloud cover — up to 18 hours ahead. No LLM in the path.

NOAA HRRR · AWS Open Data x402 + API key

Endpoints

GET/v1/forecast?lat=&lon=&hours= HRRR forecast (1-18h ahead) — temp, wind, precip, cloud cover $0.50
GET/tryit?lat=&lon= Live demo on real HRRR data — 5 per day per IP, no signup free

Agents — pay per call, no signup

curl "https://datapulse.waltsoft.net/v1/forecast?lat=30.2216&lon=-97.6206&hours=6"
# 402 with accepts[] for USDC on Base or Solana. Pay, replay, get the forecast.

Humans — buy credits

Starter

$29/mo

2,500 credits · 50 queries

$0.580 per query

Enterprise

$249/mo

37,500 credits · 750 queries

$0.332 per query

1 credit = $0.01. One forecast query = 50 credits. · recover a key

Response shape

{
  "coordinate": { "lat": 30.2216, "lon": -97.6206 },
  "forecast_hour": 6,
  "valid_time": "2026-08-16T06:00:00Z",
  "source": "NOAA HRRR (via open-meteo.com)",
  "variables": {
    "tmp_2m":  { "value": 32.4, "unit": "°C", "description": "Air temperature at 2m" },
    "dpt_2m":  { "value": 22.1, "unit": "°C", "description": "Dew point temperature at 2m" },
    "apcp":    { "value": 0.0,  "unit": "mm", "description": "Accumulated precipitation in forecast hour" },
    "tcdc":    { "value": 35,   "unit": "%",  "description": "Total cloud cover" },
    "wind":    { "speed_ms": 4.2, "direction_deg": 185 }
  }
}