{"uid":"cap_5Bp1wT1WyhVLNM_0qnsf-","slug":"speraxos-contract-data-api-3479dece","name":"SperaxOS Contract Data 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/v1/data/contract?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"allOf":{"type":"string"},"required":{"type":"string"},"properties":{"type":"string"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_wtmK3pRIJVvnZQRiNRhXb","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0xD74f5255D557944cf7Dd0E45FF521520002D5748","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Retrieves AI-powered DeFi intelligence data about a specific smart contract, payable per-request via USDC on Base","exampleAgentPrompt":"Pull up the contract data for 0x4200000000000000000000000000000000000006 on Base — I want to see what SperaxOS knows about it, including its properties and any DeFi intelligence.","exampleUseCases":[{"title":"DeFi protocol contract audit","prompt":"Get me the SperaxOS contract intelligence for the Uniswap V3 pool contract at 0x1d42064Fc4Beb5F8aAF85F4617AE8b3b5B8Ee22 on Base — I need its properties and any metadata available."},{"title":"Token contract due diligence","prompt":"Before I invest, can you fetch the contract data from SperaxOS for the USDC contract on Base so I can review its on-chain details?"},{"title":"DeFi agent portfolio monitoring","prompt":"Check SperaxOS for contract details on 0xd9aAEc86B65D86f6A7B5B1b0c42FFA531710b6CA on Base — I want to know what properties and DeFi intelligence are available for this asset."}],"resultDescription":"Returns structured DeFi intelligence data about the specified smart contract, including contract properties, metadata, and AI-powered on-chain analytics sourced from SperaxOS. The response is delivered after a micro-payment of $0.001 USDC on Base is processed via the x402 protocol.","failureModes":["Payment failure if wallet lacks sufficient USDC on Base","Invalid or unrecognized contract address returns empty or error response","Network/chain mismatch causes no data found","Rate limiting or payment processing delays under high load","Unsupported contract type may return partial data"],"whenToPreferThis":"Choose this endpoint when you need AI-powered DeFi intelligence about a specific smart contract without managing API keys, and when you are operating on Base and can pay micro-amounts of USDC per request. It is ideal for autonomous agents that need on-demand contract lookups with minimal setup overhead.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-15T00:50:07.274Z","isFirstParty":false,"canonicalSlug":"speraxos-contract-data-api-3479dece"}