{"uid":"cap_jlnBMb0qjrknVZ6vdGsqM","slug":"ecb-fx-rate-currency-converter-b1a1e38e","name":"ECB FX Rate Currency Converter","description":"","url":"https://x402.professorsausages.com/fx-rates/convert?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","required":["chain","address"],"properties":{"chain":{"enum":["base","ethereum","bitcoin","tron","litecoin","monero","dash","zcash","bitcoin-cash","dogecoin","bitcoin-gold","verge","solana"],"type":"string","examples":["base"],"description":"Which chain the address belongs to. base and ethereum run full on-chain mode; the rest are list-only mode."},"address":{"type":"string","examples":["0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"],"maxLength":128,"description":"The address in that chain's native format (0x… for EVM, base58/bech32 otherwise). Checked against that chain's shape BEFORE the payment gate — a malformed address is a free 400, never a 402."}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_hfKOAxv64WBq2tlfrwIiB","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Converts a monetary amount between any two ECB-covered currencies using the latest or a dated European Central Bank daily reference fixing","exampleAgentPrompt":"Convert 2500 USD to EUR using the ECB daily reference fixing — I need the official rate and the rounded converted amount for an invoice I'm preparing.","exampleUseCases":null,"resultDescription":"Returns the converted amount, a rounded string representation, the ECB fixing rate used, the fixing date (YYYY-MM-DD), how many weekdays stale the rate is (0 = current), the currency pair, source attribution (European Central Bank), and a disclaimer — everything needed to document an FX conversion on an invoice or financial record.","failureModes":["Unsupported currency code returns an error — ECB only covers a subset of world currencies","Future or pre-1999 dates may not have available ECB fixings","Weekend/holiday dates return the most recent prior business day fixing with staleDays > 0","Missing required amount or currency parameters returns a validation error","Network or upstream ECB data unavailability may cause transient failures"],"whenToPreferThis":"Choose this endpoint when you need an official, auditable ECB daily reference rate for invoicing, accounting, compliance, or financial reporting — not for live trading prices. It is ideal when you need a defensible, institution-backed fixing rather than a real-time mid-market rate. Use it over generic FX APIs when ECB provenance and a staleness indicator are important for your use case.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-27T19:20:29.296Z","isFirstParty":false,"canonicalSlug":"ecb-fx-rate-currency-converter-b1a1e38e"}