{"uid":"cap_VvMv9aC9VPVHch7kJCXyu","slug":"signalharness-fx-rate-eur-currency-exchange-rate-lookup-c9d9a591","name":"SignalHarness FX Rate — EUR Currency Exchange Rate Lookup","description":"Explore 330 pay-per-call x402 API services and 27 agent-native digital products, with Base USDC pricing, secure Polar checkout, and free discovery.","url":"https://signalharness.ai/api/agent/services/fx_rate/invoke","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"base":{"enum":["EUR"],"type":"string","maxLength":3,"minLength":3},"quote":{"type":"string","pattern":"^[A-Z]{3}$","maxLength":3,"minLength":3}}},"responseSchema":{"type":"json","example":{"replay":false,"result":{"asOf":"2026-09-12","base":"USD","rate":1e-8,"quote":"USD","source":{"notice":"example","dataset":"example","provider":"example","sourceUrl":"https://example.com/resource","attribution":"example","retrievedAt":"example0000000000000","freeAccessUrl":"https://example.com/resource"},"symbol":"EUR/USD","warnings":["Verify the caller-supplied data before relying on this result."],"retrievedAt":"example0000000000000"},"status":"succeeded","receipt":{"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","usage":[],"status":"succeeded","network":"eip155:8453","artifacts":[],"endedAtMs":0,"latencyMs":0,"paymentId":"example-payment","receiptId":"example-receipt","requestId":"example-request","serviceId":"fx_rate","executionId":"example-execution","startedAtMs":0,"amountAtomic":"5000","resultSha256":"25e3fc8841d599b8bec2cbd505aef3d65fa838ca00b1dd57d377ca9d323ec348","serviceVersion":"1.0.0","settlementReference":"0x0000000000000000000000000000000000000000000000000000000000000000"},"artifacts":[],"requestId":"example-request","executionId":"example-execution"}},"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_BsTIc63FWUhcO3rl3ooIC","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 the current foreign exchange rate for EUR against a specified quote currency, with sourcing and attribution metadata.","exampleAgentPrompt":"What's the current EUR to USD exchange rate? I need the live rate with source information so I can do a currency conversion.","exampleUseCases":[{"title":"Real-time EUR/USD rate for invoicing","prompt":"I'm generating a USD invoice for a European client — can you pull the current EUR to USD exchange rate so I can calculate the right amount?"},{"title":"Portfolio currency exposure check","prompt":"I hold some EUR-denominated assets and I need to know the latest EUR to GBP rate to assess my currency exposure."},{"title":"Travel budget conversion","prompt":"I'm planning a trip to Japan — what's the current EUR to JPY exchange rate so I can figure out my budget?"}],"resultDescription":"Returns a JSON object with the exchange rate (as a decimal), the currency pair symbol (e.g. EUR/USD), the as-of date, the retrieval timestamp, and a source block containing the data provider name, dataset, notice, source URL, free-access URL, and attribution string. Also includes a warnings array and a signed payment receipt confirming the $0.005 USDC charge.","failureModes":["Invalid quote currency code (not a 3-letter uppercase ISO code) returns a validation error","Unsupported or exotic quote currency may return no rate or a warning","Payment failure or insufficient USDC balance results in 402 Payment Required","Rate data unavailable for a currency pair returns an error or empty result","Network timeout or upstream provider outage causes a failed status in receipt"],"whenToPreferThis":"Choose this endpoint when you need a current EUR-based exchange rate with verifiable source attribution and a programmatic payment trail via x402/USDC micropayments. It is ideal for agent workflows requiring auditable FX data with provenance metadata (source URL, provider, dataset) rather than a raw rate alone. The base currency is fixed to EUR, so it is best suited for EUR-centric conversion tasks.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T19:01:51.155Z","isFirstParty":false}