{"uid":"cap_rh89t5oe8Y3U5z_zsy-5r","slug":"speraxos-chain-data-api-06ae28ab","name":"SperaxOS Chain 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/chain?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"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_uZzRr_ApkqUyLLqihfJ_d","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 on-chain DeFi intelligence data for a specified blockchain via a pay-per-request x402 micropayment endpoint","exampleAgentPrompt":"Pull the latest on-chain DeFi data for the Base blockchain from SperaxOS — pay the $0.001 USDC fee and show me the chain metrics.","exampleUseCases":[{"title":"Monitor Base chain DeFi activity","prompt":"Get me the current on-chain DeFi stats for the Base network from SperaxOS — I want to see the chain-level metrics right now."},{"title":"Compare DeFi metrics across chains","prompt":"Fetch the chain data for Ethereum from SperaxOS so I can compare its DeFi activity against Base — go ahead and pay the micropayment."},{"title":"AI agent DeFi dashboard data feed","prompt":"My agent needs fresh on-chain intelligence for the Base chain from SperaxOS to update my DeFi dashboard — retrieve the latest chain data and pay with USDC."}],"resultDescription":"Returns AI-powered on-chain DeFi intelligence for the requested blockchain, including chain-level metrics, analytics, and statistics relevant to decentralized finance activity on that network.","failureModes":["Insufficient USDC balance for micropayment — payment fails and request is rejected with 402","Invalid or unsupported chain identifier — returns error indicating chain not found","Wallet identity not recognized — SIWX authentication failure for identity-gated endpoints","Network timeout or chain RPC unavailability — returns 503 or timeout error","Malformed request parameters — 400 bad request if required chain field is missing"],"whenToPreferThis":"Choose this endpoint when you need on-chain DeFi intelligence for a specific blockchain and want to pay per-request with USDC without managing API keys. It is ideal for AI agents that operate on Base and can handle x402 micropayments natively, and when you need lightweight, low-cost access to chain-level DeFi data without a subscription commitment.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T12:47:57.604Z","isFirstParty":false,"canonicalSlug":"speraxos-chain-data-api-06ae28ab"}