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Maxwell International Weather Gridpoint API
x402
Maxwell International Weather Gridpoint API is a paid API for AI agents from api.maxwellinternational.ai, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-30).
Returns official NWS gridpoint weather data including temperature and snowfall forecasts for a specific geographic grid cell
Price / call$0.005
Success—
StatusUnknown
How this service works
NWS quantitative gridded forecast for a US point: time series for temperature, dewpoint, humidity, wind and gusts, sky cover, precipitation probability and amount, snowfall, ice, snow level, visibility, thunder probability, weather and hazards (about 7 days). Filter with fields= and hours=. From the NWS (US and territories), cached and refreshed about every 3 hours; a location not yet cached answers 404, is not charged, and is queued.
Output
Returns a JSON object containing the WFO office code, grid X/Y coordinates, state and country, elevation in meters, and layered forecast data (temperature in degC and snowfall amount in mm) as time-series arrays keyed by ISO 8601 start/duration intervals, along with generation and update timestamps.
Example use cases
Road trip weather planning for Colorado
“Can you pull the official NWS forecast for grid point X=63, Y=62 under the BOU weather office in Colorado — I need the temperature and snowfall layers so I can plan a drive through the mountains this weekend.”
Automated weather monitoring for a ski resort
“Set up a check on the NWS gridpoint BOU X=63, Y=62 in Colorado and tell me the snowfall amount forecast values so I know if there's fresh powder coming.”
Elevation-aware weather data enrichment
“Fetch the official NWS weather data for the BOU office gridpoint 63, 62 in Colorado — I need the elevation in meters plus the temperature forecast in Celsius for a geospatial analysis I'm running.”
Technical details
Endpoint
GEThttps://api.maxwellinternational.ai/v1/weather/gridpoint?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need official US government NWS gridpoint weather data with time-series temperature and snowfall forecasts tied to a specific grid cell, especially when you already know the WFO office and grid coordinates. It is ideal for geospatial pipelines or location-aware agents that need authoritative forecast data at a sub-regional grid resolution rather than city-level approximations.
Side effects
- Invalid or out-of-range grid coordinates return an error or empty values array
- Unsupported WFO office code may return not-found response
- NWS upstream API outage may cause stale or missing data
- Missing required query parameters returns schema validation error
- Payment failure (x402) blocks access before data is returned
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"sku": "weather.gridpoint",
"wfo": "BOU",
"gridX": 63,
"gridY": 62,
"state": "Colorado",
"layers": {
"temperature": {
"uom": "degC",
"values": []
},
"snowfallAmount": {
"uom": "mm",
"values": []
}
},
"country": "United States",
"updatedAt": "2026-09-26T06:46:32+00:00",
"elevationM": 1587.0936,
"timeFormat": "validTime is ISO 8601 start/duration (e.g. 2026-09-26T06:00:00+00:00/PT3H)",
"generatedAt": "2026-09-26T07:40:15.716Z",
"sourceClass": "official-api"
}
}Tags
x402
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