{"uid":"cap_xbROL2NSp8CLQkWv_fWVo","slug":"santyvv-data-crypto-exchange-rates-api-x402-552d7454","name":"santyvv-data Crypto Exchange Rates API (x402)","description":"Market and on-chain data, paid per call in USDC on Base through the x402 protocol. No accounts, no API keys. Sources are public data providers; the value added here is keyless access, edge caching, multi-source fallback and normalised responses.","url":"https://x402.santyvv.com/api/crypto/exchange-rates?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"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false}}},"responseSchema":null,"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_SF3gat4s5z_4h2zrjMMC1","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 normalized cryptocurrency exchange rates, paid per call in USDC on Base via x402 — no API keys or accounts required.","exampleAgentPrompt":"What's the current exchange rate for Bitcoin in USD — just grab it from that pay-per-call crypto data API, no account setup needed.","exampleUseCases":[{"title":"Real-time BTC price check","prompt":"What's the current Bitcoin to USD exchange rate right now? Use that keyless crypto data API that charges a cent per call."},{"title":"DeFi bot price feed","prompt":"Fetch me the latest ETH/USDC exchange rate so my trading bot can decide whether to rebalance — I need a fresh price without setting up any API accounts."},{"title":"Portfolio valuation snapshot","prompt":"I need the current exchange rates for BTC and ETH in USD to calculate the value of my crypto holdings — grab them from the pay-per-call data source."}],"resultDescription":"A normalized JSON response containing current exchange rate(s) for the requested cryptocurrency pair(s), sourced from public market data providers with edge-caching and multi-source fallback applied.","failureModes":["Payment not included or insufficient USDC — returns HTTP 402 Payment Required","Invalid or unsupported currency pair — returns error with no rate data","Upstream data provider outage — may return stale cached data or error","Malformed query parameters — returns 400 Bad Request"],"whenToPreferThis":"Choose this endpoint when you need cryptocurrency exchange rates without signing up for an account or managing API keys, and are comfortable with micropayment-per-call billing in USDC on Base via x402. Ideal for agents that need occasional price lookups rather than high-frequency streaming, and for scenarios where keyless, friction-free access is the priority.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T06:47:01.491Z","isFirstParty":false,"canonicalSlug":"santyvv-data-crypto-exchange-rates-api-x402-552d7454"}