{"slug":"data-greeneris-io-v1-fx-history-9a35a2","title":"European Central Bank reference exchange rates for any past date or date range (","host":"data.greeneris.io","method":"GET","resource":"https://data.greeneris.io/v1/fx/history","category":"market","description":"European Central Bank reference exchange rates for any past date or date range (business days since 1999-01-04), via frankfurter.dev. Query: ?date=2026-05-01 for one day, or ?start=2026-05-01&end=2026-05-08 for a daily series (max 366 days), plus ?base=EUR&symbols=USD,GBP (symbols optional -> all). ","price_listed":0.002,"price_asked":0.002,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":889,"reported_calls_30d":1,"reported_payers_30d":1,"networks":["eip155:8453"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"base":"EUR","end":"2026-05-08","start":"2026-05-01","symbols":"USD"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"additionalProperties":false,"properties":{"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"properties":{"base":{"default":"EUR","description":"Base currency code","type":"string"},"date":{"description":"Single day YYYY-MM-DD (mutually exclusive with start/end)","type":"string"},"end":{"description":"Series end YYYY-MM-DD (default today, max 366 days after start)","type":"string"},"start":{"description":"Series start YYYY-MM-DD","type":"string"},"symbols":{"description":"Comma-separated target currencies, max 12 (optional -> all)","type":"string"}},"type":"object"},"type":{"const":"http","type":"string"}},"required":["type","method"],"type":"object"},"output":{"properties":{"example":{"type":"object"},"type":{"type":"string"}},"required":["type"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-09-24","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.002,"price_match":true,"latency_ms":889,"error":null}],"description_full":"European Central Bank reference exchange rates for any past date or date range (business days since 1999-01-04), via frankfurter.dev. Query: ?date=2026-05-01 for one day, or ?start=2026-05-01&end=2026-05-08 for a daily series (max 366 days), plus ?base=EUR&symbols=USD,GBP (symbols optional -> all). Series responses nest rates by date. Historical data is immutable; served with a 24h cache.","last_updated":"2026-08-27T15:11:49.007Z","schemes":["exact"]}