{"uid":"cap_Mg-FGozwrBozZT6vdvayk","slug":"cardano-top-of-order-book-4eb90db7","name":"Cardano Top of Order Book","description":"Cardano Top of order book: Return the best bid and ask levels from the public order book. Coinbase Exchange public USD market data; not investment advice.","url":"https://market.datapackvibe.com/x402/demand-market-cardano-orderbook-top?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"product":{"type":"string","default":"ADA-USD","description":"Coinbase USD product ID; defaults to ADA-USD."}}},"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_MqklLXixTuGHVLNjrENj6","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 the best bid and ask prices (top of book) from the Cardano (ADA-USD) order book on Coinbase Exchange","exampleAgentPrompt":"What's the current best bid and ask for Cardano (ADA-USD) on Coinbase right now? I want to see the top of the order book.","exampleUseCases":[{"title":"Live ADA spread check for trading bot","prompt":"Check the best bid and ask prices for ADA-USD on Coinbase right now so I can decide whether the spread is tight enough to place a trade."},{"title":"Cardano price reference for portfolio tracker","prompt":"What's the current top-of-book quote for Cardano in USD? I need the best bid and ask to mark my ADA holdings to market."},{"title":"Arbitrage opportunity scanner","prompt":"Pull the best bid and ask for ADA-USD from the Coinbase order book — I want to compare this quote against another exchange to see if there's an arbitrage gap."}],"resultDescription":"Returns the best bid price and best ask price from the live Cardano (ADA-USD) order book on Coinbase Exchange, representing the highest price a buyer will pay and the lowest price a seller will accept at the moment of the query.","failureModes":["Invalid product ID returns an error — only valid Coinbase USD product IDs (default: ADA-USD) are accepted","Coinbase Exchange API downtime or rate limiting may cause failed responses","Stale or delayed data during periods of extreme market volatility","Network timeout if the upstream Coinbase feed is unavailable"],"whenToPreferThis":"Use this endpoint when you need a real-time, point-in-time snapshot of the best bid and ask for Cardano (ADA-USD) specifically from Coinbase Exchange. Prefer this over full order book endpoints when you only need the top-of-book quote, not full depth. Ideal for trading bots, price alerting, spread monitoring, and portfolio mark-to-market workflows where low latency and Coinbase-sourced data is required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T12:44:14.692Z","isFirstParty":false,"canonicalSlug":"cardano-top-of-order-book-4eb90db7"}