{"input_schema":{"type":"object","properties":{"date":{"type":"string","description":"Date as YYYY-MM-DD, 1999-01-04 or later.","examples":["2025-01-02"]},"base":{"type":"string","description":"ISO 4217 base currency; defaults to EUR.","examples":["USD"]},"symbols":{"type":"string","description":"Comma-separated ISO 4217 target currencies; defaults to all.","examples":["EUR,JPY"]}},"required":["date"],"additionalProperties":true,"examples":[{"date":"2025-01-02"}]},"output_schema":{"type":"object","description":"JSON with amount, base, date and rates; date is the nearest earlier business day.","additionalProperties":true},"addons_schema":{"type":"object","additionalProperties":false},"capability_id":"frankfurter.fx","session_compatible":true,"pricing_available":true,"id":"frankfurter/historical","object":"endpoint","provider":"frankfurter","endpoint":"historical","name":"Historical exchange rates","summary":"Read central-bank reference exchange rates for one past date.","description":"Read central-bank reference exchange rates for one past date. Source: https://frankfurter.dev/. Upstream is public and requires no API key; Gateway access requires your gateway key. Standard list price: $0.01 per successful call. Supplier rate limits apply.","unit":"call","price_per_unit":"0.01","list_price_per_unit":"0.01","reports_cost":false,"input_fields":[{"name":"date","type":"string","required":true,"description":"Date as YYYY-MM-DD, 1999-01-04 or later.","example":"2025-01-02"},{"name":"base","type":"string","required":false,"description":"ISO 4217 base currency; defaults to EUR.","example":"USD"},{"name":"symbols","type":"string","required":false,"description":"Comma-separated ISO 4217 target currencies; defaults to all.","example":"EUR,JPY"}],"example_request":{"provider":"frankfurter","endpoint":"historical","input":{"date":"2025-01-02"}},"output":"JSON with amount, base, date and rates; date is the nearest earlier business day.","limits":{"request_bytes":1000000,"timeout_ms":30000,"input_characters":null,"audio_bytes":null}}