{"uid":"cap_7PrJRdP9clhS0uw68uhLN","slug":"vextorium-eur-fx-history-00853988","name":"Vextorium EUR FX History","description":"Daily ECB reference exchange rate of a currency against the euro for up to 5 years: latest, change, high, low, average and annualized volatility, with the series.","url":"https://api.vextorium.com/v1/eur-fx-history?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"days":{"type":"integer","description":"5-1825, default 90"},"currency":{"type":"string","description":"ISO code, e.g. USD, GBP, JPY"}}},"responseSchema":{"type":"json","example":{"avg":1.1488,"max":1.1652,"min":1.1225,"date":"2026-10-02","pair":"EUR/USD","since":"2026-09-02","series":[{"date":"2026-09-02","value":1.1578},{"date":"2026-09-03","value":1.1615}],"source":"European Central Bank, reference exchange rates","change_pct":-3.049,"units_per_eur":1.1225,"annual_volatility_pct":4.37}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.004","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":"$0.004/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.004","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_gMSWdrY5ynOuBV9u4HM_R","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.004","costPer":"request","priority":0,"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns ECB daily reference exchange rate history for a currency against the euro, including latest rate, change, high, low, average, and annualized volatility over up to 5 years.","exampleAgentPrompt":"What has the EUR/USD exchange rate looked like over the past 180 days? I want the latest rate, how much it's changed, the high and low, average, and annualized volatility.","exampleUseCases":[{"title":"Quarterly FX report for finance team","prompt":"Pull the EUR/GBP exchange rate data for the last 90 days — I need the latest rate, percentage change, high, low, average, and the full daily series so I can put together a quarterly currency report."},{"title":"Volatility check before hedging decision","prompt":"What's the annualized volatility of EUR/JPY over the past year? Also give me the high, low, and average rate — I'm trying to decide whether to hedge our yen exposure."},{"title":"Long-term EUR/USD trend analysis","prompt":"Can you get me 5 years of daily EUR/USD exchange rate history from the ECB? I want to see the full series along with the average, high, low, and how volatile it's been annually."}],"resultDescription":"A JSON object containing the currency pair label, latest date and rate (units per EUR), percentage change over the period, maximum and minimum rates, average rate, annualized volatility percentage, the start date of the series, the data source (European Central Bank), and a full array of daily {date, value} data points.","failureModes":["Invalid or unsupported ISO currency code returns an error or null values","Days parameter outside the 5–1825 range may cause a validation error","ECB may not publish rates for all currencies (exotic currencies may return empty series)","Weekends and ECB holidays have no published rates, so the series may have gaps","Network or payment authorization failures return non-200 HTTP status codes"],"whenToPreferThis":"Choose this endpoint when you need official ECB reference exchange rates (not market rates) for EUR-denominated currency pairs, especially when you want statistical summaries (high, low, average, volatility) alongside the full daily time series. Prefer this over generic FX APIs when ECB provenance and historical depth (up to 5 years) are required, such as for regulatory reporting, accounting, or macroeconomic analysis.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-15T12:38:02.741Z","isFirstParty":false,"canonicalSlug":"vextorium-eur-fx-history-00853988"}