{"uid":"cap_FCff9Tj2OFWoTjRbJ-GmS","slug":"aeml-gauge-history-seasonal-percentile-projection-bba36792","name":"AEML GAUGE History — Seasonal Percentile Projection","description":"Add-on, historical placement: seasonal percentile for the current point, frequency, the percentile table, and the method and source used to compute them. Descriptive only, never a forecast or advice. No data -> 422 no_charge, not billed.","url":"https://aeml-x402.zeabur.app/gauge/history","method":"GET","headers":{},"bodySchema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"type":"object","required":["type","method","queryParams"],"properties":{"type":{"const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["signal_id","entity"],"properties":{"entity":{"type":"string","examples":["07010000"],"description":"required - monitored object id, paired with signal_id; free list at GET /gauge/catalog?signal_id=<signal_id> -> signals[0].entities[]"},"signal_id":{"type":"string","examples":["hydrology.river-level"],"description":"required - signal id (genus.species); free list at GET /gauge/catalog (paged; ?all=1 for every line)"}},"additionalProperties":false}}},"output":{"type":"object","required":["type"],"properties":{"type":{"const":"json"}}}}},"responseSchema":{"type":"json"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_sHtnPCLNJ0oUc3v6uE1wt","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns seasonal percentile positioning, frequency, percentile distribution, method, and source for a monitored signal entity","exampleAgentPrompt":"Pull the seasonal percentile history for BTC spot price (signal_id: crypto.spot, entity: btc) — I want to know what percentile today's price sits at, how frequently it's been here before, and the full percentile breakdown with method and source.","exampleUseCases":[{"title":"Seasonal context for crypto market positioning","prompt":"What seasonal percentile is BTC currently sitting at? Use signal_id crypto.spot and entity btc — I want the frequency, percentile distribution, and method so I can understand how unusual today's level is relative to the same time of year historically."},{"title":"Macro indicator seasonal ranking for research","prompt":"Can you check what historical seasonal percentile US unemployment is at right now? Signal is macro.unemployment and entity is us — give me the full percentile positioning, how often it's been at this level, and the data source."},{"title":"Shipping route disruption historical context","prompt":"How does the current Hormuz route disruption signal compare to its seasonal history? I need the percentile rank, frequency distribution, and source — signal_id is shipping.route-disruption and entity is hormuz."}],"resultDescription":"Returns a JSON object with: the signal_id and entity, the observed_at timestamp, seasonal percentile positioning of the current value, frequency distribution showing how often this level has been reached, full percentile thresholds (e.g. p10/p25/p50/p75/p90), methodology and source citation, provenance metadata (freshness, data lineage, age), a verifiable record_hash (sha256), and an Ed25519-signed _citation for offline trust verification. A nature field provides a neutral disclaimer that GAUGE provides observation only, not forecasts or recommendations.","failureModes":["Missing or invalid signal_id returns 422 or error — must use valid ASCII binomial notation like crypto.spot","Missing or invalid entity returns 422 — entity must be a known catalog entry (check /gauge/catalog)","Signal has no seasonal history data available — returns null history field","Data source is stale or frozen — provenance.freshness will show 'stale' and dead_source may be set","Signal exists but has no seasonal percentile method defined — may return null or 422","Payment not fulfilled — x402 payment required; unpaid requests return 402"],"whenToPreferThis":"Use this endpoint when you need to understand how a current signal reading compares to its own seasonal historical distribution — not just its raw value, but its percentile rank within the same calendar period across years. Prefer this over the base /gauge endpoint when seasonal context and frequency positioning are the primary need. Use alongside /gauge/ruler for official threshold context or /gauge for the full core snapshot. Best when the question is 'is this historically unusual for this time of year?'","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T12:48:28.272Z","isFirstParty":false}