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Space Weather Geomagnetic Kp Index
x402
Space Weather Geomagnetic Kp Index is a paid API for AI agents from space-weather.x402tookit.com, paid per call via x402, $0.02/call, status unknown (last checked 2026-10-21).
Returns planetary Kp index readings over the last 3–168 hours, including latest value, peak, trend, and the corresponding NOAA G storm level.
Price / call$0.02
Success—
StatusUnknown
How this service works
Planetary Kp index over the last 3-168 hours: latest, peak, trend and the NOAA G storm level it maps to.
Output
Returns a JSON object with the latest Kp value and timestamp, peak Kp and its timestamp, geomagnetic trend (rising/falling/quiet), NOAA G storm level for both latest and peak readings, a time-series array of Kp readings, a human-readable summary and verdict, storm threshold reference, data source URL, and optional degraded/disclaimer flags.
Example use cases
Aurora chase go/no-go decision
“Check the Kp index for the last 24 hours — what's the latest reading, the peak, and is geomagnetic activity trending up or down? I want to know if conditions are good enough for aurora tonight.”
Ham radio operator propagation check
“What's the current Kp index and geomagnetic storm level? I need to know if HF radio conditions are being disrupted by a geomagnetic storm right now — show me the last 12 hours of readings.”
Satellite operations storm alert
“Has there been a G2 or higher geomagnetic storm in the last 72 hours? Give me the peak Kp, when it occurred, and the current storm level so I can assess risk to our satellite operations.”
Technical details
Endpoint
GEThttps://space-weather.x402tookit.com/geomagnetic-kp?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need historical or recent Kp index time-series data with NOAA G-level mapping — especially for trend analysis, peak detection over a custom time window, or when you want structured readings rather than a current-moment snapshot. For a real-time single-value check or 3-day outlook, consider the current space weather overview endpoint instead.
Side effects
- NOAA upstream data unavailable — degraded flag set to true with partial or stale data
- Invalid hours parameter outside 3–168 range returns validation error
- Network timeout to upstream NOAA feed results in error response
- If no storm activity, peakGLevel and latestGLevel may be 0 with quiet verdict
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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