{"slug":"api-truthbear-co-gauge-history-series-8362f4","title":"[TIME SERIES EXPORT] Full retained series for one signal and entity (?days=, ?fo","host":"api.truthbear.co","method":"GET","resource":"https://api.truthbear.co/gauge/history-series","category":"search","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 previ","price_listed":0.09,"price_asked":0.09,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":1022,"reported_calls_30d":10,"reported_payers_30d":2,"networks":["eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"example":{"entity":"07010000","signal_id":"hydrology.river-level"},"exampleRequest":"/gauge/history-series?signal_id=hydrology.river-level&entity=07010000","method":"GET","queryParams":{"days":"optional - lookback window in days; default 400, minimum 1, capped at 1000. Windows are UTC days (snapshot_date), not lo","entity":"required - object id within that line, e.g. 07010000 (see /gauge/coverage)","format":"optional - json (default) or csv","signal_id":"required - line id, e.g. hydrology.river-level (see /gauge/coverage)"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"properties":{"method":{"enum":["GET"],"type":"string"},"queryParams":{"additionalProperties":false,"properties":{"days":{"description":"optional - lookback window in days; default 400, minimum 1, capped at 1000. Windows are UTC days (snapshot_date), not local days","type":"string"},"entity":{"description":"required - object id within that line, e.g. 07010000 (see /gauge/coverage)","examples":["07010000"],"type":"string"},"format":{"description":"optional - json (default) or csv","type":"string"},"signal_id":{"description":"required - line id, e.g. hydrology.river-level (see /gauge/coverage)","examples":["hydrology.river-level"],"type":"string"}},"required":["signal_id","entity"],"type":"object"},"type":{"const":"http"}},"required":["type","method","queryParams"],"type":"object"},"output":{"properties":{"type":{"const":"json"}},"required":["type"],"type":"object"}}},"history":[{"day":"2026-09-24","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.09,"price_match":true,"latency_ms":1022,"error":null}],"description_full":"[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. $0.09 per call.","last_updated":"2026-09-07T08:54:20.134Z","schemes":["exact"]}