{"uid":"cap_--Tx70IpXbP7RXaN9jFRe","slug":"hyperliquid-oi-capped-assets-0edda6cb","name":"Hyperliquid OI-Capped Assets","description":"The Hyperliquid perpetual assets currently at their open-interest cap — a liquidity/risk signal.","url":"https://hyperliquid.use.x402atlas.com/oi-caps","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"coins":["HYPE"],"count":1,"queried_at":"2026-07-10T12:00:00Z"}},"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_djDpUeHIcPmPHJGst4BuQ","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 the list of Hyperliquid perpetual assets currently at their open-interest cap, serving as a liquidity and risk signal.","exampleAgentPrompt":"Which Hyperliquid perpetuals are currently at their open-interest cap? I want to see which coins have hit their OI limit right now.","exampleUseCases":null,"resultDescription":"A JSON object containing an array of coin symbols (strings) that are currently at their open-interest cap on Hyperliquid, an integer count of those coins, and a timestamp indicating when the data was queried.","failureModes":["Upstream Hyperliquid API unavailable — service may return 502 or empty response","No assets currently at OI cap — returns an empty coins array with count 0","Payment failure — x402 payment of 0.005 USDC not processed, returns 402 Payment Required","Rate limiting or network timeout — endpoint may be temporarily unreachable"],"whenToPreferThis":"Use this endpoint when you need a quick, precomputed signal of which Hyperliquid perpetuals have reached their open-interest cap — useful for risk management, capacity monitoring, or screening out illiquid/constrained markets before placing trades. Prefer this over the full perpetuals universe endpoint when you only need cap status, not full market metadata.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:39:54.572Z","isFirstParty":false}