{"uid":"cap_8UGpABb4sqVTWoDEIyW7l","slug":"speraxos-x402-protocol-data-api-8a4764bb","name":"SperaxOS x402 Protocol 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/protocol?utm_source=zero.xyz","method":"HEAD","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_MqItRUiSBO-zOswmlgftq","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 DeFi protocol intelligence data via a pay-per-request HTTP HEAD endpoint using USDC micropayments on Base","exampleAgentPrompt":"Pull the protocol intelligence data for Aave from SperaxOS — I need the current DeFi metrics and I'm happy to pay the $0.001 USDC per-request fee on Base.","exampleUseCases":[{"title":"DeFi protocol research for portfolio decisions","prompt":"Can you fetch the latest protocol data for Uniswap from SperaxOS? I want to see the DeFi intelligence metrics before I decide where to allocate funds."},{"title":"Automated protocol monitoring in agent workflow","prompt":"Every hour, pull the SperaxOS protocol data for Curve Finance and alert me if anything significant changes — use my USDC on Base to pay for each request."},{"title":"Comparing multiple DeFi protocols","prompt":"Get me the SperaxOS protocol intelligence for both Compound and Aave so I can compare their metrics side by side. Pay per request from my Base wallet."}],"resultDescription":"Returns HTTP HEAD response headers containing DeFi protocol intelligence metadata for the specified protocol, sourced from SperaxOS AI-powered analytics. The response is gated by a $0.001 USDC micropayment on Base via the x402 payment protocol; wallets with a SIWX agentcash identity may access identity-only tiers for free.","failureModes":["Payment not included or insufficient USDC balance — returns 402 Payment Required","Invalid or unrecognized protocol identifier — returns 404 or empty response","Network issues on Base blockchain during payment settlement — payment may fail or timeout","Wallet not funded with USDC on Base — request blocked at payment layer","Rate limiting or protocol not yet indexed by SperaxOS — returns empty or partial data"],"whenToPreferThis":"Choose this endpoint when you need AI-powered DeFi protocol intelligence without committing to a subscription API key, and you want to pay only for the requests you make using USDC on Base. It is ideal for agentic workflows that need on-demand protocol data with micropayment billing, or for wallets already enrolled in the agentcash SIWX identity system that can access free identity-tier data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T18:50:53.434Z","isFirstParty":false,"canonicalSlug":"speraxos-x402-protocol-data-api-8a4764bb"}