{"uid":"cap_s6n9q6FFBBV7JfXDoy6Bb","slug":"okx-perpetual-futures-open-interest-925920d1","name":"OKX Perpetual Futures Open Interest","description":"Live perpetual futures open interest for any crypto symbol from OKX - total outstanding contracts, a real-time positioning signal absent from LLM training data. open interest, futures oi, perpetual open interest, oi data, derivatives positioning","url":"https://api.x402node.dev/market/open-interest","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":{"coin":{"type":"string","description":"Coin (optional)"},"symbol":{"type":"string","description":"Crypto symbol, e.g. BTC (default), ETH, SOL"}}}},"additionalProperties":false}}},"responseSchema":null,"example":{"request":{"symbol":"BTC-USDT-SWAP"},"response":{"note":"Open interest = total outstanding perpetual contracts. Rising OI + rising price = strong trend.","_hint":"x402 paid endpoints for AI agents — x402node.dev (utilities) · cn402.com (Chinese culture)","instId":"BTC-USDT-SWAP","source":"okx","symbol":"BTC","timestamp":"2026-06-20T05:27:40.978Z","openInterest":3028919.7000000156,"openInterestCcy":30289.197000000153}},"exampleRequest":{"symbol":"BTC-USDT-SWAP"},"tags":["x402"],"displayCostAmount":"0.006","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.006/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.006","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.006","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_no8GmZi8Hyhkq4d6G54oP","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.006","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns real-time total open interest (outstanding contracts) for any crypto perpetual futures symbol from OKX.","exampleAgentPrompt":"What's the current open interest for BTC-USDT-SWAP perpetual futures on OKX right now? I want to see how the market is positioned.","exampleUseCases":null,"resultDescription":"Returns the total number of outstanding perpetual futures contracts (open interest) for the requested crypto symbol from OKX, providing a real-time snapshot of derivatives market positioning.","failureModes":["Invalid or unsupported symbol returns an error or empty result","Network timeout if OKX exchange feed is temporarily unavailable","Symbol format mismatch (e.g. using BTC instead of BTC-USDT-SWAP) may return no data","Payment failure (insufficient USDC balance) blocks the request at the x402 paywall"],"whenToPreferThis":"Use this endpoint when you need real-time perpetual futures open interest data sourced directly from OKX, especially for crypto market analysis, trading signal generation, or derivatives positioning research that requires up-to-date data not available in LLM training data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T18:50:12.365Z","isFirstParty":false}