{"uid":"cap_Ci0DOQfZ63rzt5_ktbI_4","slug":"arbitrum-top-of-order-book-04644ec7","name":"Arbitrum Top of Order Book","description":"Arbitrum 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-arbitrum-orderbook-top?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"product":{"type":"string","default":"ARB-USD","description":"Coinbase USD product ID; defaults to ARB-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_hvWLIHjf6C1ue70xF5ip_","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 from the Coinbase Exchange public order book for the ARB-USD trading pair.","exampleAgentPrompt":"What's the current best bid and ask for ARB-USD on the Coinbase order book right now?","exampleUseCases":[{"title":"Live ARB spread monitoring for trading bot","prompt":"Check the top of the ARB-USD order book and tell me the current bid-ask spread — I want to know if it's tight enough to place a limit order."},{"title":"Pre-trade price check for Arbitrum","prompt":"Before I buy some ARB, can you pull the best ask price on the Coinbase order book for ARB-USD so I know what I'd be paying?"},{"title":"Arbitrage opportunity detection","prompt":"What are the best bid and ask prices for ARB-USD right now on Coinbase? I need the top-of-book data to compare against another exchange."}],"resultDescription":"Returns the best bid (highest buy offer) and best ask (lowest sell offer) from the Coinbase Exchange public order book for the requested product, typically ARB-USD. This allows agents to determine the current market spread and reference price for Arbitrum tokens in USD.","failureModes":["Invalid product ID returns an error response — only valid Coinbase USD product IDs are accepted","Service unavailability during market downtime or maintenance windows","Rate limiting or payment failures if USDC payment is not properly handled","Stale data if the order book has no active orders at the top level"],"whenToPreferThis":"Choose this endpoint when you need real-time top-of-book bid/ask data specifically for the ARB-USD pair from Coinbase Exchange. It is ideal for trading bots, spread monitoring, pre-trade price checks, or cross-exchange arbitrage detection. Prefer this over full order book endpoints when only the best bid and ask are needed, reducing cost and latency.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T12:44:28.388Z","isFirstParty":false,"canonicalSlug":"arbitrum-top-of-order-book-04644ec7"}