{"uid":"cap_5Ats2xr8fd7jtp2Lx7vUj","slug":"coincap-exchange-rates-via-sitecheck-crypto-finance-01fa6001","name":"CoinCap Exchange Rates via SiteCheck Crypto & Finance","description":"Exchange rates against the US dollar for about 170 fiat currencies and 400+ cryptocurrencies (Coinbase public rates): symbol, name, fiat or crypto, USD value of one unit and units per USD. All rates, a fiat/crypto filter, or one currency by symbol (EUR, BTC, TRY) or name (euro, bitcoin, turkish-lira).","url":"https://api.chainmarket-api.workers.dev/api/finance/coincap-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":{"id":{"type":"string","description":"Currency symbol (EUR, BTC) or name (euro, bitcoin, turkish-lira); omit for all"},"type":{"type":"string","description":"fiat or crypto (filter for the full list)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"base":"USD","count":1,"source":"https://api.coinbase.com/v2/exchange-rates?currency=USD","results":[{"id":"euro","name":"Euro","type":"fiat","perUsd":0.8932393333333333,"symbol":"EUR","rateUsd":1.119520785}],"checkedAt":"2026-10-23T09:36:14.468Z"}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_awp8qvBuRUBDgLmLOViQG","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches real-time USD-based exchange rates for fiat and crypto currencies sourced from Coinbase, filterable by currency symbol, name, or type.","exampleAgentPrompt":"What's the current exchange rate for Euro and Bitcoin in USD? Pull the live rates from CoinCap and show me the perUsd and rateUsd values for both.","exampleUseCases":[{"title":"Live crypto price check for trading bot","prompt":"Get me the current USD exchange rate for BTC and ETH right now — I need both perUsd and rateUsd values to decide on a trade."},{"title":"Fiat currency rate lookup for invoice","prompt":"What's the live USD exchange rate for the Euro? I'm generating an invoice and need today's EUR/USD rate from Coinbase."},{"title":"Full fiat rate list for financial dashboard","prompt":"Pull all available fiat currency exchange rates against USD — I want to display them on a finance dashboard and need the full list."}],"resultDescription":"Returns a JSON object with base currency (USD), count of results, source URL, a timestamp (checkedAt), and an array of matched currencies each containing id, name, symbol, type (fiat or crypto), perUsd (units of currency per 1 USD), and rateUsd (USD value of 1 unit of that currency).","failureModes":["Unknown currency symbol or name returns empty results array","Invalid type parameter value may return no results or error","Payment failure (402) results in no charge and no data returned","Network or upstream Coinbase API outage may return 5xx error","Omitting required input wrapper may cause validation error"],"whenToPreferThis":"Choose this endpoint when you need real-time USD-denominated exchange rates for both fiat currencies and cryptocurrencies sourced from Coinbase, require no signup or API key, and are operating in a pay-per-call micropayment context via x402. Prefer this over subscription APIs when call volume is low or unpredictable, or when you need broad multi-chain payment flexibility.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-24T12:45:50.244Z","isFirstParty":false,"canonicalSlug":"coincap-exchange-rates-via-sitecheck-crypto-finance-01fa6001"}