{"uid":"cap_2V7WRdiRYEXYFAItFuc6G","slug":"scriptmasterlabs-fx-rate-api-5e04468d","name":"ScriptMasterLabs FX Rate API","description":"Pay-per-call crypto, RWA, federal, SEC, Section 8/HUD housing, and compliance APIs via x402. Primary: USDC on Base (eip155:8453). Also accepts Global Dollar (USDG) on Robinhood Chain (eip155:4663) via sovereign X-PAYMENT-TX. Hyphen routes only (e.g. /x402/gas-tracker, /x402/pha-lookup, /x402/sec-8k). MARKETPLACE REVIEW: use free /x402/playground/* (no key, no payment). Production /x402/* returns 402 unless paid via x402 or X-Api-Market-Key / X-API-Key from seller dashboard.","url":"https://mcp-x402-discovery.onrender.com/x402/fx-rate","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":{"type":"string"},"queryParams":{"type":"object","required":[],"properties":{"base":{"type":"string"},"date":{"type":"string"},"quotes":{"type":"string"}}}}},"output":{"properties":{"example":{}}}}},"responseSchema":{"example":{}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_0zO1ktl8Zg2qOBbE9mgUQ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns foreign exchange rates for a given base currency and one or more quote currencies, optionally for a historical date, via pay-per-call x402 micropayment","exampleAgentPrompt":"What is the current exchange rate for USD against EUR, GBP, and JPY?","exampleUseCases":[{"title":"Real-time multi-currency rate lookup","prompt":"Can you get me the current exchange rates for USD against EUR, GBP, and CHF?"},{"title":"Historical FX rate for financial reporting","prompt":"What was the EUR to USD and EUR to JPY exchange rate on March 15, 2024?"},{"title":"Cross-currency portfolio valuation","prompt":"I need today's exchange rates for GBP as the base currency against USD, AUD, and CAD for my portfolio report."}],"resultDescription":"Returns exchange rate data for the specified base currency against one or more quote currencies, optionally scoped to a historical date. The response includes numeric rate values for each currency pair requested.","failureModes":["402 Payment Required if no valid x402 payment or API key is provided","Invalid or unsupported currency codes return an error","Missing required 'base' query parameter returns a validation error","Date parameter out of supported historical range returns an error","Service unavailability on Render free-tier cold start causing timeout"],"whenToPreferThis":"Choose this endpoint when you need lightweight, pay-per-call FX rate lookups without a subscription, especially inside crypto-native or x402-enabled agent workflows. It is well-suited for agents that need to integrate FX data alongside crypto, RWA, SEC, or housing compliance data from the same ScriptMasterLabs platform. Prefer alternatives if you need high-frequency tick data, streaming rates, or guaranteed SLA uptime.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:34:22.609Z","isFirstParty":false}