{"uid":"cap_DgS0-HOSjKRNNueXNGzbI","slug":"aeml-gauge-history-series-time-series-snapshot-export-a00e4e88","name":"AEML GAUGE History Series – Time-Series Snapshot Export","description":"[TIME SERIES EXPORT] Full retained series for one signal and entity (?days=, ?format=json or csv): every snapshot up to days (default 400, cap 1000) with snapshot_date, observed_at, data_age_hours, current, band and record_hash. For research, actuarial and base-rate work. Free 7-snapshot shape preview at /gauge/history-preview. Descriptive only, never a forecast or advice. No data -> 422 no_charge, not billed.","url":"https://aeml-x402.zeabur.app/gauge/history-series","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":{"days":{"type":"string","description":"optional - lookback window in days; default 400, minimum 1, capped at 1000. Windows are UTC days (snapshot_date), not local days"},"entity":{"type":"string","examples":["07010000"],"description":"required - object id within that line, e.g. 07010000 (see /gauge/coverage)"},"format":{"type":"string","description":"optional - json (default) or csv"},"signal_id":{"type":"string","examples":["hydrology.river-level"],"description":"required - line id, e.g. hydrology.river-level (see /gauge/coverage)"}},"additionalProperties":false}}},"output":{"type":"object","required":["type"],"properties":{"type":{"const":"json"}}}}},"responseSchema":{"type":"json"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.09","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":"$0.09/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.09","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.09","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_RSROiOg5izaH-lykcWyfR","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.09","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the full time-series of historical snapshots for a given signal and entity, ordered by date, for research, actuarial, and base-rate analysis.","exampleAgentPrompt":"Pull the full historical snapshot series for the crypto.spot signal on BTC going back 400 days and give it to me as JSON — I need the snapshot_date, current values, and band for each entry for base-rate research.","exampleUseCases":[{"title":"Crypto base-rate research export","prompt":"Get me the complete time-series history for the crypto.spot signal on BTC for the last 365 days in CSV format — I need snapshot_date, current price, and band columns for my actuarial model."},{"title":"Macro unemployment trend analysis","prompt":"Retrieve all historical snapshots for the macro.unemployment signal for the US entity going back 500 days, in JSON — I want to analyze how the current reading compares to historical bands over time."},{"title":"Shipping disruption historical baseline","prompt":"Fetch the full snapshot history for the shipping.route-disruption signal on the hormuz entity over the last 1000 days so I can establish a base rate for disruption frequency and severity."}],"resultDescription":"Returns a JSON (or CSV) object containing an array of time-ordered snapshots for the requested (signal_id, entity) pair. Each snapshot includes snapshot_date, observed_at, data_age_hours, current value, band classification, and record_hash. The response also includes count, days covered, signal_id, entity, format, grade (data quality disclosure), scope, nature disclaimer, and an optional _citation object with Ed25519-signed verifiable provenance.","failureModes":["Missing or invalid signal_id or entity returns an error","Requesting more than 1000 days is capped at the maximum allowed","Signal/entity combination with no data returns empty series","Invalid format parameter may return an error or default to JSON","Paid endpoint — missing or invalid x402 USDC payment returns 402 Payment Required","Some signals have coarser granularity (weekly vs daily) which may affect series density"],"whenToPreferThis":"Use this endpoint when you need the full historical time series for a specific signal-entity pair for research, actuarial modeling, or base-rate analysis. Prefer this over the free /gauge/history-preview when you need complete depth (up to 1000 days) and full schema fields including record_hash and band. Use when you need CSV export for spreadsheet or model ingestion. This is the right choice when you need verifiable, citable historical snapshots with Ed25519-signed provenance rather than just a live current reading.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:45:21.990Z","isFirstParty":false}