{"uid":"cap_nHg3xmE0B8ro_AL2dNjOw","slug":"ecb-eur-fx-historical-rate-series-906b5581","name":"ECB EUR/FX Historical Rate Series","description":"Use for a short euro exchange rate history: daily ECB euro foreign exchange reference rates of one currency against EUR for up to the last 30 days (ccy=USD, days=1..30), with min, max and percent change over the window and a stale flag. Source attribution in every reply. Reference rates for information only, not transaction rates. $0.002 USDC per call. Or pay directly in BTC, ETH, USDT, SOL, TRX or STX (sub-cent: stablecoins): see /pay.","url":"https://x402-bazaar-rank.x402-bazaar-rank-worker.workers.dev/eu/fx/history?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD"],"type":"string"},"queryParams":{"type":"object","properties":{"ccy":{"type":"string","default":"USD","pattern":"^[A-Z]{3}$","description":"ISO 4217 currency quoted against EUR, e.g. USD, GBP, JPY"},"days":{"type":"integer","default":30,"maximum":30,"minimum":1,"description":"calendar days back from the latest ECB publication"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","required":["base","ccy","days","points","stale","source","sourceUrl"],"properties":{"to":{"type":["string","null"]},"ccy":{"type":"string"},"max":{"type":["number","null"]},"min":{"type":["number","null"]},"base":{"type":"string"},"days":{"type":"integer"},"from":{"type":["string","null"]},"note":{"type":"string"},"count":{"type":"integer"},"stale":{"type":"boolean"},"points":{"type":"array","items":{"type":"object","required":["date","rate"],"properties":{"date":{"type":"string"},"rate":{"type":"number"}}}},"source":{"type":"string"},"changePct":{"type":["number","null"]},"sourceUrl":{"type":"string"},"businessDaysOld":{"type":"integer"}}}}}}},"responseSchema":{"type":"object","required":["base","ccy","days","from","to","count","points","min","max","changePct","stale","businessDaysOld","source","sourceUrl","note"],"properties":{"to":{"type":"string"},"ccy":{"type":"string"},"max":{"type":"number"},"min":{"type":"number"},"base":{"type":"string"},"days":{"type":"number"},"from":{"type":"string"},"note":{"type":"string"},"count":{"type":"number"},"stale":{"type":"boolean"},"points":{"type":"array","items":{"type":"object","properties":{"date":{"type":"string"},"rate":{"type":"number"}}}},"source":{"type":"string"},"changePct":{"type":"number"},"sourceUrl":{"type":"string"},"businessDaysOld":{"type":"number"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_1Z050XiB4eLI0kEprHp-n","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns a time series of ECB euro foreign exchange reference rates for a given currency pair over up to 30 calendar days","exampleAgentPrompt":"Can you pull the ECB euro reference rates for EUR/USD over the last 10 days and tell me the min, max, and how much the rate has changed?","exampleUseCases":[{"title":"FX trend analysis for EUR/USD","prompt":"Show me the EUR/USD exchange rate from the ECB every day for the past 14 days — I want to see the highs, lows, and the overall percentage change."},{"title":"Currency conversion research for EUR/GBP","prompt":"What have the official ECB EUR/GBP reference rates been over the last 7 days? I need the daily series to estimate conversion costs."},{"title":"Staleness check for live FX dashboard","prompt":"Grab the latest ECB euro rate data for EUR/JPY — just the last 2 days — and tell me whether the data is stale or current."}],"resultDescription":"A JSON object containing the EUR base, the quoted currency, the requested day count, an array of {date, rate} data points, the minimum and maximum rates over the period, the percentage change from first to last point, a staleness flag, the source name ('ECB euro foreign exchange reference rates'), the source URL, and a note about publication timing (around 16:00 CET on TARGET working days).","failureModes":["Unsupported currency code returns an error or empty points array","days parameter outside 1-30 range is rejected by schema validation","ECB data not yet published for the current day causes stale=true flag","Weekend or TARGET holiday gaps result in fewer data points than requested days","Network or worker timeout returns a 5xx error"],"whenToPreferThis":"Choose this endpoint when you need official ECB euro reference rates as a time series for research, analytics, or enrichment purposes — especially when you want the authoritative daily mid-market rate published by the European Central Bank rather than a real-time commercial feed. It is ideal for historical trend analysis, compliance documentation referencing official ECB rates, or enriching financial calculations with up to 30 days of daily EUR-based FX history. Not suitable for real-time trading rates or non-EUR base pairs.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T18:45:50.728Z","isFirstParty":false,"canonicalSlug":"ecb-eur-fx-historical-rate-series-906b5581"}