{"uid":"cap_eKzp6-ta7R_MAgTcdTsj0","slug":"hyperliquid-perpetuals-l2-order-book-ca74c7b1","name":"Hyperliquid Perpetuals L2 Order Book","description":"L2 order book for a Hyperliquid perp pair (POST variant)","url":"https://hyperliquid-data.api.klymax402.com/api/orderbook","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["coin"],"properties":{"coin":{"type":"string","description":"Coin symbol (e.g. BTC, ETH, SOL, ARB, DOGE)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_VWKWDogfoyl-oj2QTBzvP","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the current L2 order book (bids and asks) for a specified Hyperliquid perpetuals trading pair","exampleAgentPrompt":"Show me the current L2 order book for BTC perpetuals on Hyperliquid — I want to see the bids and asks right now.","exampleUseCases":null,"resultDescription":"A snapshot of the L2 order book for the requested Hyperliquid perpetual pair, including ordered bid and ask price levels with their corresponding quantities/sizes at each level.","failureModes":["Invalid or unsupported coin symbol returns an error or empty response","Network timeout if Hyperliquid's underlying data feed is unavailable","Missing required 'coin' query parameter returns a validation error","Rate limiting or payment failure (x402) if USDC payment is not properly handled"],"whenToPreferThis":"Use this endpoint when you need real-time L2 order book depth data specifically from the Hyperliquid perpetuals DEX. Prefer this over generic market data APIs when the user is specifically trading or analyzing positions on Hyperliquid perps, or when you need decentralized on-chain order book data rather than CEX data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:39:08.610Z","isFirstParty":false}