{"uid":"cap_X8FBAl_QTWtOtQUxX4-d3","slug":"optimism-top-of-order-book-51853e7c","name":"Optimism Top of Order Book","description":"Optimism 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-optimism-orderbook-top?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"product":{"type":"string","default":"OP-USD","description":"Coinbase USD product ID; defaults to OP-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_yialKnFjqF0TbFjFGb2Dl","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 (top-level) bid and ask prices from the Coinbase Exchange public order book for the OP-USD trading pair.","exampleAgentPrompt":"What are the current best bid and ask prices for Optimism (OP-USD) on Coinbase right now?","exampleUseCases":[{"title":"Real-time Optimism price check","prompt":"What's the current best bid and ask for OP-USD? I want to know what price I could buy or sell Optimism at right now."},{"title":"Algorithmic trading entry signal","prompt":"Fetch the top of the OP-USD order book so I can check whether the best ask is below $2.50 before placing a trade."},{"title":"Spread monitoring for arbitrage","prompt":"Get me the current best bid and best ask for Optimism on the OP-USD market — I want to see how tight the spread is at this moment."}],"resultDescription":"Returns the single best bid price and quantity and the single best ask price and quantity from the live Coinbase Exchange OP-USD order book, representing the tightest available quotes at the time of request.","failureModes":["Invalid product ID returns an error or empty response","Market temporarily unavailable due to Coinbase Exchange downtime","Network timeout if the endpoint is under load","Payment failure if the $0.01 USDC x402 payment is not properly submitted"],"whenToPreferThis":"Use this endpoint when you need a lightweight, low-cost snapshot of the current best bid/ask for OP-USD without fetching the full order book depth. It is ideal for quick price checks, spread monitoring, or triggering alerts based on top-of-book quotes for the Optimism token specifically.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T12:44:05.191Z","isFirstParty":false,"canonicalSlug":"optimism-top-of-order-book-51853e7c"}