{"uid":"cap_4TLyEqYli7fTzRuVex2I3","slug":"x402-toolbox-crypto-fiat-exchange-rate-8e0620ac","name":"x402-toolbox Crypto-Fiat Exchange Rate","description":"309 deterministic pay-per-call tools for AI agents over x402 (USDC, Base). No signup, no API key: the payment is the identity.","url":"https://x402-toolbox.shablony-pro.workers.dev/finance/crypto-fiat-exchange-rate?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"schema":{"type":"string"}}},"responseSchema":{"type":"json","example":{"ok":true,"paid":true}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_hNk8z8I4gJW5FBRss_gdX","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the current exchange rate between a cryptocurrency and a fiat currency, paid per-call via x402 USDC micropayment on Base.","exampleAgentPrompt":"What is the current exchange rate between Bitcoin and USD? Pay for the lookup using x402 USDC.","exampleUseCases":[{"title":"Live BTC price for trading bot","prompt":"What is the current Bitcoin to USD exchange rate right now? I need it for my automated trading strategy."},{"title":"Portfolio valuation in local currency","prompt":"What is the current ETH to EUR exchange rate so I can calculate the euro value of my Ethereum holdings?"},{"title":"Invoice amount conversion","prompt":"I need to invoice a client in Japanese yen — what is the current USDC to JPY exchange rate?"}],"resultDescription":"Returns a JSON object with ok and paid status fields, and the current exchange rate value for the requested cryptocurrency-to-fiat currency pair.","failureModes":["Payment not received — 402 response returned if x402 USDC micropayment is not completed","Invalid or unsupported currency pair — returns an error or empty result","Network timeout on Cloudflare Worker — transient 5xx error","Malformed schema parameter — may return a 400 or unexpected result"],"whenToPreferThis":"Prefer this endpoint when you need a quick, low-cost, no-signup crypto-to-fiat rate lookup paid per-call via x402 micropayment on Base, and do not want to manage API keys or subscriptions. Best for agents that already support x402 payment flows and need deterministic, pay-as-you-go pricing at $0.002 USDC per call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T18:48:33.063Z","isFirstParty":false,"canonicalSlug":"x402-toolbox-crypto-fiat-exchange-rate-8e0620ac"}