{"uid":"cap_ZjHzr4kp1ia2xlsNoHbF1","slug":"arb-tape-hyperliquid-arb-market-data-be2c8d55","name":"ARB Tape – Hyperliquid ARB Market Data","description":"Hyperliquid ARB mark, OI, funding. No parameters.","url":"https://earn-pulse.haiqingm58.workers.dev/arb","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","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_92BCVTIbEdB72lQQJhIzR","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns real-time Arbitrum (ARB) perpetual mark price, open interest, and funding rate from Hyperliquid.","exampleAgentPrompt":"What's the current ARB mark price, open interest, and funding rate on Hyperliquid right now?","exampleUseCases":[{"title":"ARB funding rate arbitrage check","prompt":"Is the ARB perpetual funding rate on Hyperliquid positive or negative right now, and how large is it? I want to decide if it's worth farming or fading."},{"title":"ARB position sizing via OI","prompt":"What's the current open interest on ARB perps on Hyperliquid? I want to gauge market crowding before entering a long."},{"title":"ARB mark price alert trigger","prompt":"Fetch the latest ARB mark price from Hyperliquid so I can check whether it's moved more than 2% from my entry at $1.20."}],"resultDescription":"Returns ARB perpetual contract data from Hyperliquid including: mark price (current mid-market reference price), open interest (total notional or contract count of outstanding positions), and funding rate (current hourly or annualized rate indicating long/short cost to hold).","failureModes":["Hyperliquid API unavailable — upstream 5xx propagated","Worker timeout if Hyperliquid response is slow","Stale data if Hyperliquid feed lags","Payment failure if x402 USDC payment not settled"],"whenToPreferThis":"Use this endpoint when you need a quick, no-parameter snapshot of ARB perpetual market conditions (mark price, OI, funding) sourced directly from Hyperliquid. Prefer it over generic market data APIs when Hyperliquid-specific funding and OI accuracy matters, especially for DeFi yield strategies or perp trading decisions on that venue.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:39:48.506Z","isFirstParty":false}