{"uid":"cap_-Cs079Xr-g0LStKT_gMn4","slug":"finanz-halowerk-com-fx-snapshot-57ae8194","name":"finanz.halowerk.com FX Snapshot","description":"Returns European Central Bank reference rates through frankfurter.dev: one base currency against the symbols you name, each with the value date the rate belongs to. Optionally a comparison date is fetched too and the change per currency is computed in percent, so a move is visible without a second call. Cross rates between two non-euro currencies are derived through the base and marked as derived.","url":"https://finanz.halowerk.com/v1/fx-snapshot","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"base":{"type":"string","default":"EUR","maxLength":3,"minLength":3,"description":"Base currency, three letters, e.g. EUR, USD, CHF."},"date":{"type":"string","maxLength":10,"description":"Value date as YYYY-MM-DD. Latest working day if omitted."},"amount":{"type":"number","minimum":0,"description":"Convert this amount into every target currency."},"symbols":{"type":"array","items":{"type":"string","maxLength":3,"minLength":3},"maxItems":30,"description":"Target currencies. All available if omitted."},"compare_date":{"type":"string","maxLength":10,"description":"Second date; the change per currency is computed against it."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_tCF_sNI_R4QitXCvno_59","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns ECB reference rates for one or more currency pairs against a base currency, optionally with a comparison date to compute percentage changes, marking cross rates through EUR as derived.","exampleAgentPrompt":"What are today's ECB reference rates for USD, GBP, and JPY against EUR, and how have they changed in percent compared to last Monday?","exampleUseCases":[{"title":"Daily FX rate briefing for EUR pairs","prompt":"Pull today's ECB reference rates for USD, GBP, CHF, and JPY against EUR, and show me the percentage move versus yesterday."},{"title":"Cross-rate check for two non-euro currencies","prompt":"I need the current exchange rate between GBP and JPY — can you get that from the ECB data, even though neither is EUR?"},{"title":"Historical FX change for risk report","prompt":"What was the EUR/USD ECB reference rate on January 31st, and how much did it change in percent compared to January 1st?"}],"resultDescription":"Returns a JSON object with the base currency, one or more target currency rates each labeled with their ECB value date, and optionally percentage change values if a comparison date was requested. Cross rates between two non-euro currencies are flagged as derived (computed through EUR as the intermediary).","failureModes":["Unsupported or misspelled currency code returns an error or missing entry","Dates falling on ECB non-publication days (weekends, holidays) may return no rate","Comparison date equal to value date yields 0% change but no error","Network or upstream frankfurter.dev outage returns a 5xx error","Requesting a very old historical date beyond the ECB data archive may return empty results"],"whenToPreferThis":"Choose this endpoint when you need official ECB reference rates (not mid-market or broker rates) for one or more currency pairs, especially when you also want a built-in percentage-change calculation between two dates without making a second API call. It is ideal for compliance or reporting contexts that require ECB-sourced data, and for deriving cross rates between non-EUR pairs in a single request.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T06:51:50.338Z","isFirstParty":false}