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Space Weather Intelligence — Kp-Index Forecast
x402
Space Weather Intelligence — Kp-Index Forecast is a paid API for AI agents from space-weather.use.x402atlas.com, paid per call via x402, $0.005/call, status unknown (last checked 2026-09-14).
Returns NOAA SWPC geomagnetic Kp-index forecast for up to 3 days, with each period labeled as observed, estimated, or predicted.
Price / call$0.005
Success—
StatusUnknown
How this service works
Space-weather forecast — normalized one-to-three-day NOAA SWPC geomagnetic Kp-index periods labeled observed, estimated, or predicted.
Output
A JSON object containing normalized Kp-index forecast periods (up to 3 days), each labeled as observed, estimated, or predicted, along with the forecast issuance timestamp, a stale cache flag, source age in seconds, any active warnings, and the applied day-window query parameters.
Example use cases
Aurora visibility planning check
“What's the Kp-index forecast for the next 2 days? I want to know if geomagnetic activity will be high enough for aurora viewing.”
Satellite operations risk assessment
“Get me the NOAA Kp-index forecast for the next 3 days so I can assess geomagnetic storm risk for our satellite operations.”
Daily space weather briefing
“Fetch today's NOAA SWPC geomagnetic Kp forecast — just 1 day — and tell me whether conditions are calm, active, or stormy.”
Technical details
Endpoint
GEThttps://space-weather.use.x402atlas.com/forecastWhen to prefer
Choose this endpoint when you need a structured, normalized multi-period Kp-index forecast (1–3 days) from NOAA SWPC with clear period labels (observed/estimated/predicted). Prefer it over raw NOAA feeds when you need clean JSON, built-in staleness detection, and bounded forecast windows. Use sibling endpoints for current real-time conditions or alert messages rather than the forward-looking forecast.
Side effects
- NOAA SWPC source unavailable — stale cached data returned with stale:true flag
- Invalid days parameter (outside 1–3 range) — validation error
- Payment failure (x402) — 402 response requiring USDC payment
- Upstream data delayed — source_age_seconds may be elevated
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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