urn:oid:2.49.0.1.840.0.07a473b0d7a48517a9fc37bbd187447cab318920.001.2) and must be URL-encoded in the path. The response is the flattened CAP payload with full description, instruction, affected zones, and polygon geometry if present. Issued alerts are effectively immutable once published; Sugra caches single-alert responses for an hour. Attribution: NOAA National Weather Service (api.weather.gov).x-api-key: ********************curl --location '/api/v1/weather/nws/alert/urn:oid:2.49.0.1.840.0.07a473b0d7a48517a9fc37bbd187447cab318920.001.2' \
--header 'x-api-key: <api-key>'{
"data": {
"id": "string",
"sent": "string",
"effective": "string",
"onset": "string",
"expires": "string",
"ends": "string",
"status": "string",
"message_type": "string",
"category": "string",
"severity": "string",
"certainty": "string",
"urgency": "string",
"response": "string",
"event": "string",
"sender": "string",
"sender_name": "string",
"headline": "string",
"description": "string",
"instruction": "string",
"area_description": "string",
"affected_zones": [
"string"
],
"geocode": {
"property1": "string",
"property2": "string"
},
"parameters": {
"property1": "string",
"property2": "string"
},
"geometry": {
"property1": "string",
"property2": "string"
}
},
"meta": {
"endpoint": "/api/v1/fred/us/cpi",
"data_time": "2026-04-16T14:30:00Z",
"response_time": "2026-04-16T14:30:12Z",
"provider": "Sugra API v1.0.1",
"source": "string",
"fallback_used": true,
"fallback_chain": [
"string"
],
"cached": true
}
}