{"uid":"cap_d-aoVptB23tyI-PTgpPAL","slug":"fx-spot-price-oracle-35745e86","name":"FX Spot Price Oracle","description":"Offline deterministic checks (no ML, no scraping) for business identifiers and rental due-diligence, paid per call via x402 (gasless EIP-3009 USDC on Base). Checksum-verifiable (IBAN, LEI, VAT, ABA, ISBN, SEDOL…) vs format-only (EIN, IFSC, SWIFT/BIC…) — every response returns a scope field. Non-custodial, signed receipts. First 3 calls/day free.","url":"https://hcrb.in/v1/tools/fx-spot-price-oracle/call?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"input":{"type":"object","required":["base","quote"],"properties":{"base":{"type":"string","description":"Base currency symbol (e.g. USDC, EUR, GBP, JPY)."},"quote":{"type":"string","description":"Quote currency symbol (e.g. USD, EUR, JPY)."}}}}},"responseSchema":{"type":"json","schema":{"type":"object","required":["pair","rate","inverse","timestamp","source"],"properties":{"pair":{"type":"string"},"rate":{"type":"number"},"source":{"type":"string"},"inverse":{"type":"number"},"timestamp":{"type":"number"}}},"example":{"valid":true,"reason":"checksum valid"}},"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_UECFioc0Du13G7vp0fVX-","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":"Returns a real-time foreign exchange spot price for a given currency pair, including the rate, inverse, timestamp, and source.","exampleAgentPrompt":"What's the current spot exchange rate for USD to EUR? I need the live rate, the inverse, and when it was last updated.","exampleUseCases":[{"title":"Cross-currency payment pricing","prompt":"Before I send an international wire, can you pull the live USD to GBP spot rate so I know exactly how much the recipient will get?"},{"title":"Portfolio valuation in base currency","prompt":"I need to convert my EUR holdings to USD for reporting — what's the current EUR/USD spot price and its inverse right now?"},{"title":"Forex arbitrage signal check","prompt":"Grab the live spot prices for USD/JPY and EUR/JPY so I can check whether there's a triangular arbitrage opportunity with EUR/USD."}],"resultDescription":"A JSON object containing the currency pair string, the spot rate as a number, the inverse rate, a Unix timestamp of when the price was fetched, and the data source identifier.","failureModes":["Unsupported or malformed currency pair returns an error or empty result","Network or oracle downtime may return a stale or unavailable rate","Payment failure via x402 (insufficient USDC balance) blocks the call","Rate limiting beyond the 3 free calls/day without payment","Invalid pair format (e.g. wrong delimiter or unknown ticker) causes rejection"],"whenToPreferThis":"Choose this endpoint when you need a lightweight, pay-per-call FX spot rate lookup with cryptographic payment receipts (x402/USDC on Base) and no subscription required. Ideal for agents that make infrequent or low-volume FX queries and want verifiable, receipted micropayments rather than a monthly API key billing arrangement. Not suited for tick-by-tick high-frequency trading feeds or historical rate series.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T12:42:31.791Z","isFirstParty":false,"canonicalSlug":"fx-spot-price-oracle-35745e86"}