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Polyform Weather Alerts
x402
Polyform Weather Alerts is a paid API for AI agents from api.polyform.org, paid per call via x402, $0.003/call, status unknown (last checked 2026-10-10).
Returns active NWS watches, warnings, and advisories for a US state or coordinate, including event type, severity, headline, and timing.
Price / call$0.003
Success—
StatusUnknown
How this service works
Active watches/warnings/advisories for a US state or coordinate: event type, severity, headline, timing. Source: National Weather Service. JSON.
Output
A JSON object containing a count of active alerts and an array of alert objects, each with event type (e.g. 'Severe Thunderstorm Warning'), severity level, a human-readable headline, and expiration time. Sourced live from the National Weather Service.
Example use cases
Tornado warning check before travel
“Before I drive through Oklahoma today, can you check if there are any active tornado or severe thunderstorm warnings along the route — specifically for the Oklahoma City area around 35.47, -97.52?”
Emergency alert monitor for field crews
“We have crews working in Harris County, Texas — are there any active NWS weather warnings or advisories right now that could affect safety? Pull the current alerts for that area near 29.76, -95.37.”
Event planning weather safety check
“I'm hosting an outdoor event in North Carolina this weekend — can you check whether there are any active weather watches or warnings in effect for the state so I can decide if we need a contingency plan?”
Technical details
Endpoint
GEThttps://api.polyform.org/v1/weather/alerts?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need real-time official US weather alert data (watches, warnings, advisories) from the National Weather Service for a specific state or coordinate, without needing a full forecast. It is ideal for safety checks, automated monitoring, or triggering alerts in workflows. Prefer it over a general forecast endpoint when the user's concern is hazard-level official alerts rather than routine weather conditions.
Side effects
- Missing or invalid state/coordinate input returns an error
- No active alerts returns count:0 with an empty alerts array
- Invalid coordinate outside the US may return no results or an error
- API unavailability or NWS data outage could cause timeout or 5xx response
- Malformed query parameters may result in a 400 bad request
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Output
Schema · Response
{
"type": "json",
"example": {
"count": 1,
"alerts": [
{
"event": "Severe Thunderstorm Warning",
"expires": "…",
"headline": "…",
"severity": "Severe"
}
]
}
}Tags
x402
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