{"uid":"cap_g7Chp-Iwk7fQW4TTg5Z_f","slug":"speraxos-open-interest-intel-api-e007d7c2","name":"SperaxOS Open Interest Intel API","description":"AI-powered DeFi intelligence APIs payable via the x402 HTTP payment protocol. No API key required — pay per request with USDC on Base. Identity-only (SIWX) endpoints are free for wallets with an agentcash identity.","url":"https://chat.sperax.io/api/x402/intel/open-interest?utm_source=zero.xyz","method":"HEAD","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"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_44FOYI_7Ayo-O31PR9JFM","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0xD74f5255D557944cf7Dd0E45FF521520002D5748","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns AI-powered open interest data and DeFi intelligence for derivatives markets, payable per-request via x402 USDC micropayment on Base","exampleAgentPrompt":"What's the current open interest for ETH on DeFi derivatives markets? Pay the $0.005 USDC fee via x402 and pull the latest data from SperaxOS.","exampleUseCases":[{"title":"Derivatives trader checks market positioning","prompt":"Pull the current open interest data for BTC perpetuals from SperaxOS — I want to see how the market is positioned before I enter a trade."},{"title":"DeFi researcher monitors protocol activity","prompt":"Get me the latest open interest metrics across DeFi derivatives protocols so I can track how capital is flowing into leveraged positions this week."},{"title":"Algo agent triggers on open interest spike","prompt":"Fetch the current open interest data for ETH from the SperaxOS intel API and alert me if it's spiked more than 20% compared to yesterday."}],"resultDescription":"Returns open interest metrics and AI-powered DeFi intelligence for derivatives markets, including total open positions, capital at risk, and related analytics for the queried asset or protocol. Response is delivered after per-request USDC micropayment via x402.","failureModes":["Payment not included or insufficient USDC balance — returns HTTP 402 Payment Required","Invalid or unsupported asset/market symbol — returns error or empty result","Network congestion on Base causing payment confirmation delays","Rate limiting if payment is not properly processed","HEAD method returns no body — metadata only, no payload data"],"whenToPreferThis":"Choose this endpoint when you need real-time or near-real-time open interest data for DeFi derivatives markets without committing to a subscription or API key. Ideal for agents that need pay-as-you-go access to DeFi intelligence using USDC micropayments on Base. Prefer over traditional data providers when you want on-chain-native, AI-augmented derivatives analytics with no upfront commitment.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T01:43:01.840Z","isFirstParty":false,"canonicalSlug":"speraxos-open-interest-intel-api-e007d7c2"}