{"uid":"cap_BWfhj2AM6vts4H6nXW-1Y","slug":"sableforge-fx-foreign-exchange-rate-lookup-9f653ede","name":"SableForge FX — Foreign Exchange Rate Lookup","description":"12 pay-per-call HTTP APIs settled in USDC on Base via x402 v2. No API keys, no accounts, no signup — $0.0005–$0.0020 per call. Includes a locally hosted 27B LLM endpoint.","url":"https://sableforge.servehttp.com/api/fx?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$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","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{"base":{"type":"string"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"btc":0.000012,"eur":0.9,"base":"USD"}},"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_m7vFy62IsjEIhwYwcqmgq","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 current exchange rates for a given base currency against multiple currencies including BTC and EUR, paid per-call via USDC on Base using x402.","exampleAgentPrompt":"What are the current exchange rates for USD — I need the BTC and EUR equivalents right now.","exampleUseCases":[{"title":"Crypto payment value check","prompt":"What is 1 US dollar worth in Bitcoin right now? I need the live rate before I send a payment."},{"title":"EUR cost basis for invoice","prompt":"What's the current EUR exchange rate against USD? I'm invoicing a European client and need today's rate."},{"title":"Multi-currency portfolio snapshot","prompt":"Pull the latest exchange rates with USD as the base so I can see what my holdings are worth in both BTC and EUR."}],"resultDescription":"A JSON object containing exchange rates relative to the specified base currency, e.g. {\"btc\": 0.000012, \"eur\": 0.9, \"base\": \"USD\"}. Each call costs $0.001 USDC, settled on Base via x402, with no API key required.","failureModes":["Unsupported base currency code returns an error or empty rates","x402 payment failure (insufficient USDC balance or misconfigured wallet) results in HTTP 402","Service downtime on self-hosted endpoint (servehttp.com domain) may cause connection timeouts","Missing or malformed 'base' query param may return default or error response"],"whenToPreferThis":"Choose this endpoint when you need a lightweight, no-account FX rate lookup paid micropayment-style per call in USDC on Base via x402. Ideal for autonomous agents that cannot use traditional API keys or subscriptions and need spot FX data for USD, EUR, and BTC without onboarding friction. Not ideal if you need historical rates, a wide range of currency pairs, or guaranteed uptime from a centralized provider.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T18:39:47.722Z","isFirstParty":false,"canonicalSlug":"sableforge-fx-foreign-exchange-rate-lookup-9f653ede"}