{"uid":"cap_SqeLop4wnFJDeAzr17ev5","slug":"x402stock-perpetual-futures-market-data-by-coin-9ab738fb","name":"x402stock Perpetual Futures Market Data by Coin","description":"Live state of one perpetual-futures market by coin (e.g. BTC, ETH, SOL): mark and oracle price, current hourly funding rate with annualized APR, premium, open interest, max leverage, previous-day price, and 24h USD and base volume. The single-coin read for funding and open-interest signals. Free on-chain DEX data (venue: Hyperliquid), no key. From x402stock","url":"https://agents.x402stock.xyz/api/v1/perps/:coin?utm_source=zero.xyz","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","HEAD","DELETE"],"type":"string"},"pathParams":{"coin":{"type":"string"},"type":"object"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false}}},"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_swXGTfkXwQLdERwDmnO5K","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 live perpetual-futures market state for a single coin (mark price, oracle price, funding rate, open interest, leverage, volume) from Hyperliquid DEX","exampleAgentPrompt":"What's the current funding rate and open interest for BTC perpetual futures on Hyperliquid right now — and what's the annualized APR on that funding?","exampleUseCases":[{"title":"Funding rate arbitrage signal detection","prompt":"Check the current hourly funding rate and annualized APR for ETH perpetual futures — I want to know if the funding is high enough to make a cash-and-carry trade worthwhile."},{"title":"Open interest market sentiment check","prompt":"What's the current open interest and mark price for SOL perps on Hyperliquid? I'm trying to gauge whether the market is heavily positioned long or short before I enter a trade."},{"title":"Crypto derivatives dashboard snapshot","prompt":"Pull the latest mark price, oracle price, premium, and 24h volume for BTC perpetual futures so I can update my trading dashboard with fresh Hyperliquid data."}],"resultDescription":"A JSON snapshot of the specified coin's perpetual futures market including: mark price, oracle price, current hourly funding rate with annualized APR, premium (mark vs oracle spread), open interest in base and USD terms, maximum available leverage, previous day's closing price, and 24-hour trading volume in both USD and base currency.","failureModes":["Invalid or unsupported coin symbol returns an error — only coins listed on Hyperliquid perps are valid","Market temporarily unavailable or delisted coin may return 404 or empty data","Network latency may cause slightly stale data during high-volatility periods","Payment failure (402) if USDC balance is insufficient for the $0.01 per-call fee"],"whenToPreferThis":"Choose this endpoint when you need a single-coin deep dive into perpetual futures mechanics — specifically funding rates, open interest, and mark/oracle price data from Hyperliquid. Prefer this over generic crypto price endpoints when funding rate signals or derivatives-specific metrics (premium, OI, leverage limits) are required. It is the right choice for cash-and-carry analysis, funding arbitrage detection, or derivatives market monitoring on Hyperliquid without requiring an API key.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-14T06:45:36.282Z","isFirstParty":false,"canonicalSlug":"x402stock-perpetual-futures-market-data-by-coin-9ab738fb"}