{"uid":"cap_g4rH0MtmFg939eZDsHqJ-","slug":"proxy-suverse-io-c3d2d52f","name":"SuVerse Forex Historical Rate Lookup","description":"Historical daily ECB FX rate for any currency pair on any date going back to 1999. Covers major + emerging currencies USD EUR GBP JPY CHF AUD CAD CNY. AI agent historical tx reconciliation, returns computation, regulatory reporting, forex backtest API.","url":"https://proxy.suverse.io/v1/data/suverse-forex-historical","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"properties":{}},"type":{"type":"string","const":"http"},"method":{"enum":["POST","PUT","PATCH"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_W0P9HQ1zEkolgfgrZCR4v","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the official ECB reference exchange rate for any currency pair on any historical date back to 1999","exampleAgentPrompt":"What was the official ECB reference exchange rate for EUR to USD on March 14, 2021? I need it for reconciling a historical transaction.","exampleUseCases":null,"resultDescription":"Returns the official ECB reference exchange rate for the specified currency pair on the requested historical date, covering major and emerging market currencies with data going back to 1999","failureModes":["Date before 1999 returns no data or error — ECB reference rates only available from 1999 onward","Weekend or public holiday dates may not have an ECB rate — ECB does not publish rates on non-business days","Unsupported or obscure currency pair returns an error — not all emerging currencies are covered by ECB","Malformed date format causes a parsing error","Future dates are not supported — endpoint only serves historical data"],"whenToPreferThis":"Use this endpoint when you need the authoritative ECB official reference rate for a specific past date — ideal for financial reconciliation, regulatory or tax reporting at historical rates, computing time-period returns, or academic financial research. Prefer this over live-rate endpoints when the exact date matters and reproducibility is required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T07:09:53.172Z","isFirstParty":false}