{"uid":"cap_4Xa7k40ZH4jE91HIaXgJV","slug":"santyvv-data-fx-convert-keyless-currency-conversion-via-x402-286b8d79","name":"santyvv-data FX Convert — Keyless Currency Conversion via x402","description":"Market and on-chain data, paid per call in USDC on Base through the x402 protocol. No accounts, no API keys. Sources are public data providers; the value added here is keyless access, edge caching, multi-source fallback and normalised responses.","url":"https://x402.santyvv.com/api/fx/convert?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_DbchIaxZDQwEVn1qU5gn7","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Converts a currency amount from one currency to another using live FX rates, paid per call in USDC on Base via x402 — no API keys or accounts required.","exampleAgentPrompt":"What is 750 USD worth in Japanese yen right now? Use the pay-per-call FX converter — no API key needed, just pull the live rate and give me the converted amount.","exampleUseCases":[{"title":"Travel budget currency check","prompt":"I'm heading to Japan next week — can you convert 2000 USD to JPY so I know how much yen I'll have to spend?"},{"title":"E-commerce invoice pricing","prompt":"We're invoicing a UK client — convert 4500 EUR to GBP at today's live rate so I can fill in the correct amount on their invoice."},{"title":"Crypto treasury FX snapshot","prompt":"Our DAO holds USDC and wants to report holdings in Swiss francs — what's the current USD to CHF rate, and how much is 50000 USD worth in CHF right now?"}],"resultDescription":"Returns the converted currency amount and the underlying exchange rate used for the conversion, normalized to a consistent response format. Includes the source and target currency codes and a timestamp indicating data freshness. Backed by multi-source fallback and edge caching for reliability.","failureModes":["Unsupported or invalid currency code returns an error response","Payment failure or insufficient USDC balance causes a 402 rejection before the data is returned","Stale cached data may be returned if underlying public providers are temporarily unavailable","Missing required query parameters (source, target, or amount) return a 400-level error","Network latency spikes on Base during payment settlement may add delay"],"whenToPreferThis":"Choose this endpoint when you need a quick, one-off currency conversion or FX rate lookup without signing up for an account or managing API keys. It is ideal for AI agents operating autonomously with a USDC wallet on Base, since payment is handled inline via x402. Prefer it over traditional FX APIs when you want zero-friction access with pay-as-you-go pricing at $0.01 per call, especially for low-frequency or on-demand conversions in agentic workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T18:40:30.797Z","isFirstParty":false,"canonicalSlug":"santyvv-data-fx-convert-keyless-currency-conversion-via-x402-286b8d79"}