{"uid":"cap_sQBH2SeReRwN0xKwrUr5m","slug":"stellar-top-of-order-book-bb70f843","name":"Stellar Top of Order Book","description":"Stellar 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-stellar-orderbook-top?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"product":{"type":"string","default":"XLM-USD","description":"Coinbase USD product ID; defaults to XLM-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_yWwSrtx1Xbci-WZlN05X5","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) for the XLM-USD market on Coinbase Exchange","exampleAgentPrompt":"What's the current best bid and ask price for Stellar (XLM-USD) on Coinbase right now?","exampleUseCases":[{"title":"Live XLM price check before trading","prompt":"What's the top of the order book for XLM-USD right now — what's the best bid and ask I can get?"},{"title":"Monitoring XLM spread for arbitrage","prompt":"Keep an eye on the XLM-USD spread on Coinbase and tell me when the difference between the best bid and ask tightens below $0.001."},{"title":"Pre-trade price validation","prompt":"Before I place my Stellar buy order, can you pull the current best ask price for XLM-USD from Coinbase so I know what to expect?"}],"resultDescription":"Returns the top of the XLM-USD (or specified product) order book from Coinbase Exchange, including the best bid price, best ask price, and associated quantities at those price levels, giving a real-time snapshot of the tightest available market prices.","failureModes":["Invalid product ID returns an error — only Coinbase USD-denominated products are supported","Network or upstream Coinbase API outage may cause timeouts or 5xx errors","Stale data if Coinbase market data feed is delayed","Payment failure (insufficient USDC balance) returns a 402 error before data is returned"],"whenToPreferThis":"Use this endpoint when you need a fast, low-cost real-time snapshot of the best bid and ask for XLM-USD (or another Coinbase USD pair) without needing the full order book depth. Ideal for pre-trade checks, spread monitoring, or price-awareness in agentic trading workflows. If you need full order book depth or historical data, look for alternative endpoints.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T12:44:06.755Z","isFirstParty":false,"canonicalSlug":"stellar-top-of-order-book-bb70f843"}