{"uid":"cap_xVnIWmXraKorw_fNsgqWP","slug":"cardano-price-api-x402-e6d65c11","name":"Cardano Price API (x402)","description":"Public data and utility APIs paid per call in USDC on Base (x402). No accounts, no API keys. 174 routes: crypto/equity data, onchain reads, DNS/email/security intel, geo/weather, x402 payment diagnostics, dev utilities and more.","url":"https://anibalb.duckdns.org/x402/cardano-price?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"coin":"cardano","price_usd":1}},"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_YW89-hIpE5zvhLisMH8dB","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 the current USD price of Cardano (ADA) cryptocurrency, paid per call via x402/USDC on Base with no API key required.","exampleAgentPrompt":"What's the current price of Cardano in USD? Pay the micro-fee automatically — no API key needed.","exampleUseCases":[{"title":"Live ADA portfolio valuation","prompt":"I hold 5,000 ADA — what's it worth in USD right now at the current Cardano price?"},{"title":"Crypto price alert monitoring","prompt":"Check the current Cardano price for me and let me know if it's above $0.50."},{"title":"Cardano price comparison snapshot","prompt":"Pull the current USD price of Cardano so I can compare it against yesterday's close."}],"resultDescription":"A JSON object containing the coin name ('cardano') and its current price in USD as a numeric value, e.g. {\"coin\":\"cardano\",\"price_usd\":0.45}.","failureModes":["Payment failure if USDC balance on Base is insufficient or x402 payment header is malformed","Stale or delayed price data if the underlying data source is lagging","HTTP 402 if payment is not provided","HTTP 500 if the upstream price feed is unavailable","No authentication errors since no API key is required"],"whenToPreferThis":"Choose this endpoint when you need a quick, low-cost, keyless Cardano price lookup and are already operating within an x402/USDC micropayment environment on Base. Ideal for agents that need on-demand spot prices without committing to a subscription or managing API credentials. Not ideal if you need historical price data, OHLCV candles, or prices for many assets in a single call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-31T18:35:45.396Z","isFirstParty":false,"canonicalSlug":"cardano-price-api-x402-e6d65c11"}