{"uid":"cap__RXZ4OWwxnV75yYXywAG5","slug":"space-weather-geomagnetic-kp-index-a52a7403","name":"Space Weather Geomagnetic Kp Index","description":"Planetary Kp index over the last 3-168 hours: latest, peak, trend and the NOAA G storm level it maps to.","url":"https://space-weather.x402tookit.com/geomagnetic-kp?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":[],"properties":{"hours":{"type":"integer","description":"Lookback hours, 3 to 168, default 24"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"asOf":{"type":["null","string"]},"trend":{"type":["null","string"]},"peakAt":{"type":["null","string"]},"peakKp":{"type":["null","number"]},"source":{"type":["null","string"]},"reasons":{"type":["array","null"],"items":{"type":"string"}},"summary":{"type":["null","string"]},"verdict":{"type":["null","string"]},"degraded":{"type":["boolean","null"]},"latestAt":{"type":["null","string"]},"latestKp":{"type":["null","number"]},"readings":{"type":["array","null"],"items":{"type":"object","properties":{"kp":{"type":["null","number"]},"time":{"type":["null","string"]}}}},"sourceUrl":{"type":["null","string"]},"disclaimer":{"type":["null","string"]},"notChecked":{"type":["array","null"],"items":{"type":"string"}},"peakGLevel":{"type":["null","number"]},"thresholds":{"type":["null","object"],"properties":{"stormAtKp":{"type":["null","number"]}}},"latestGLevel":{"type":["null","number"]}}}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_SxAXzfhyxHWOuyjZIt4Dv","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns planetary Kp index readings over the last 3–168 hours, including latest value, peak, trend, and the corresponding NOAA G storm level.","exampleAgentPrompt":"What's the current Kp index and has there been any geomagnetic storm activity in the last 48 hours? Tell me the peak Kp, the trend, and the NOAA G storm level.","exampleUseCases":[{"title":"Aurora chase go/no-go decision","prompt":"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."},{"title":"Ham radio operator propagation check","prompt":"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."},{"title":"Satellite operations storm alert","prompt":"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."}],"resultDescription":"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.","failureModes":["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"],"whenToPreferThis":"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.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:30:05.997Z","isFirstParty":false,"canonicalSlug":"space-weather-geomagnetic-kp-index-a52a7403"}