{"uid":"cap_hSfHW22vpl60yraY8r0mK","slug":"cortex-cloud-fx-price-lookup-0ace74ef","name":"Cortex Cloud FX Price Lookup","description":"OpenAI-compatible AI and data API for agents. Pay per call in USDC on Base via x402 — no API keys, no subscriptions, no lock-in.","url":"https://api.cortexcloud.org/x402/v1/fx/price","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"object","format":"application/json","example":{}},"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_WbopLa-7i6f0V9HWSNOub","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":"Retrieves the current foreign exchange (FX) price for a given currency pair or asset via pay-per-call USDC micropayment","exampleAgentPrompt":"What's the current exchange rate for USD to EUR right now? I need the live FX price.","exampleUseCases":[{"title":"Real-time currency conversion for payments","prompt":"Before I send this international invoice, what's the current USD to EUR exchange rate so I can display the right converted amount to my customer?"},{"title":"Forex rate check for travel budget","prompt":"I'm planning a trip to Japan — can you get me the current USD to JPY exchange rate so I can estimate my spending budget?"},{"title":"FX price feed for trading bot","prompt":"Fetch the latest GBP/USD FX price for my trading strategy — I need the most up-to-date rate to decide whether to execute this position."}],"resultDescription":"Returns a JSON object containing the current FX price or exchange rate for the requested currency pair or asset, delivered as a real-time quote with no API key required — payment is settled per-call in USDC on Base via the x402 protocol.","failureModes":["Invalid or unsupported currency pair symbol returns an error or empty result","Payment failure via x402 (insufficient USDC balance, wrong chain) blocks the request","Malformed properties parameter causes a 400-level error","Rate-limiting or downtime on the upstream FX data provider returns a 503","Empty response object if the requested pair has no current price data"],"whenToPreferThis":"Choose this endpoint when you need real-time FX price lookups without managing API keys or subscriptions, and your agent is capable of paying per-call in USDC on Base via x402. Particularly useful for autonomous agents needing live exchange rates on demand at low cost ($0.005/call), where traditional FX APIs would require subscription management. Prefer this over traditional REST FX APIs when operating in a crypto-native, agent-first environment.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:51:17.828Z","isFirstParty":false}