{"uid":"cap_HRswpKgHpbRldITjwl_om","slug":"fx402-currency-unit-converter-ffc61d0b","name":"fx402 Currency & Unit Converter","description":"Pay-per-call currency and unit conversion utility for AI agents: currency exchange at ECB daily reference rates, FX rate tables, and physical unit conversion (length, mass, temperature, volume, area, speed, time, digital). No API key, no subscription — agents pay per request via x402 (Base/USDC) or MPP (Tempo/pathUSD).","url":"https://fx402.alogos.xyz/v1/convert","method":"GET","headers":{},"bodySchema":{"type":"object","required":["to","from"],"properties":{"to":{"type":"string","description":"Target ISO-4217 currency code, e.g. 'EUR'."},"from":{"type":"string","description":"Source ISO-4217 currency code, e.g. 'USD'."},"amount":{"type":"number","description":"Amount in the source currency to convert. Defaults to 1."}}},"responseSchema":{"type":"object","properties":{"to":{"type":"string"},"from":{"type":"string"},"rate":{"type":"number"},"amount":{"type":"number"},"result":{"type":"number"},"source":{"type":"string"},"converted":{"type":"number"},"ratesDate":{"type":"string"}},"additionalProperties":true},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ZrfzqVki96dqeCPgp9Gw3","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Converts between ISO-4217 currencies using ECB daily reference rates, returning the converted amount for a given source/target currency pair and optional amount.","exampleAgentPrompt":"How much is 500 US dollars in euros right now, using the ECB daily rate?","exampleUseCases":null,"resultDescription":"Returns the converted monetary amount in the target currency, computed using the ECB daily reference rate for the specified currency pair. Includes the exchange rate applied and the resulting value.","failureModes":["Unsupported or invalid ISO-4217 currency code returns an error response","Missing required 'from' or 'to' parameters returns a validation error","ECB rate not yet published for the current day (e.g. early morning UTC) may return stale or unavailable data","Payment not completed (402 response) if x402/MPP payment header is missing or rejected","Amount of 0 or negative values may produce unexpected results"],"whenToPreferThis":"Choose this endpoint when you need currency conversion using official ECB daily reference rates with no API key or subscription required, paying only per call via x402/USDC. Ideal for AI agents needing lightweight, on-demand FX conversion without managing credentials or rate-limit tiers.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:37:17.908Z","isFirstParty":false}