{"uid":"cap_TiCKXCGpB1omkvhizY35-","slug":"speraxos-defi-yields-intelligence-api-47ad5c5b","name":"SperaxOS DeFi Yields Intelligence 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/defi-yields?utm_source=zero.xyz","method":"GET","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_sznlFAGpoamEVwlx0aBRq","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 DeFi yield intelligence data across protocols, payable per-request with USDC via x402","exampleAgentPrompt":"What are the best DeFi yield opportunities available right now, especially for stablecoins like USDC? I want to see APYs ranked across different protocols.","exampleUseCases":[{"title":"Stablecoin yield comparison for treasury","prompt":"I have idle USDC sitting in my wallet — can you pull the current best DeFi yields for stablecoins so I can see where to put it for the highest APY?"},{"title":"Daily DeFi yield monitoring for portfolio","prompt":"Every morning I want to know the top DeFi yield opportunities across protocols — what are the best rates available today compared to yesterday?"},{"title":"On-chain yield research for a new chain","prompt":"I'm exploring DeFi on Base — can you show me the highest-yielding liquidity pools and lending protocols available there right now?"}],"resultDescription":"Returns a list of DeFi yield opportunities including protocol names, asset pairs, APY/APR rates, liquidity depth, and chain information, curated and ranked by an AI-powered intelligence layer.","failureModes":["Payment not included or insufficient USDC balance returns HTTP 402 Payment Required","Invalid or malformed property filters return 400 Bad Request","Data may be delayed if on-chain indexing is lagging","No results returned if queried asset/protocol has no current yield data","Rate limits may apply per wallet address"],"whenToPreferThis":"Choose this endpoint when you need up-to-date, AI-curated DeFi yield intelligence without setting up an API key — ideal for agents that pay per-call with USDC on Base via x402. Prefer this over generic DeFi aggregators when you want intelligence-layer ranking and filtering rather than raw protocol data dumps.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-03T00:48:05.346Z","isFirstParty":false,"canonicalSlug":"speraxos-defi-yields-intelligence-api-47ad5c5b"}