{"uid":"cap_UqUzpVppkXrqlBQwbo6T1","slug":"speraxos-defi-yield-pools-api-4709535f","name":"SperaxOS DeFi Yield Pools 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/yields?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"limit":{"type":"integer","description":"Max pools returned (default: 200, max: 500)"},"minTvl":{"type":"number","description":"Minimum TVL in USD (default: 1,000,000)"}}},"responseSchema":{"type":"object","properties":{"pools":{"type":"array","items":{"type":"object","properties":{"apy":{"type":"number","example":5.2},"il7d":{"type":"number","nullable":true},"pool":{"type":"string","description":"DeFiLlama pool ID"},"chain":{"type":"string","example":"Ethereum"},"symbol":{"type":"string","example":"USDC"},"tvlUsd":{"type":"number","example":150000000},"apyBase":{"type":"number","nullable":true},"project":{"type":"string","example":"aave-v3"},"exposure":{"type":"string","nullable":true},"apyReward":{"type":"number","nullable":true},"stablecoin":{"type":"boolean"}}}},"summary":{"type":"object","properties":{"avgApy":{"type":"number"},"totalTvl":{"type":"number"},"poolCount":{"type":"integer"}}},"timestamp":{"type":"string","format":"date-time"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_d384iS8hyV6GGTW4TlCGO","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0xaf88d065e77c8cC2239327C5EDb3A432268e5831","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns ranked DeFi yield pool data (APY, TVL, chain, project) across protocols, filtered by TVL, payable per-request with USDC via x402.","exampleAgentPrompt":"Show me the top 50 DeFi yield pools with at least $5 million TVL — I want to see APY, chain, project, and whether each pool is stablecoin-based.","exampleUseCases":[{"title":"Stablecoin yield comparison for treasury","prompt":"Find me stablecoin liquidity pools with at least $10 million TVL — I want to compare APYs across protocols like Aave and Curve so I can decide where to park idle USDC."},{"title":"High-yield pool discovery for DeFi bot","prompt":"Give me the top 100 DeFi pools by APY, with a minimum TVL of $2 million — I need the base APY, reward APY, and 7-day impermanent loss for each so my bot can rank opportunities."},{"title":"Chain-specific yield research","prompt":"Pull up the top 200 yield pools right now and include TVL, APY, and which chain each one is on — I'm trying to figure out where the best opportunities are outside of Ethereum."}],"resultDescription":"A JSON object containing an array of yield pool records — each with pool ID, project name, chain, symbol, APY (total, base, reward), TVL in USD, 7-day impermanent loss, stablecoin flag, and exposure type — plus a summary object with average APY, total TVL, and pool count, and a timestamp.","failureModes":["Payment not included or insufficient USDC — returns 402 Payment Required","limit parameter exceeds 500 — may return validation error or be capped","minTvl filter too high — returns empty pools array with valid summary","Network or upstream DeFiLlama data unavailable — may return 503 or stale data","Invalid parameter types (e.g. string instead of integer for limit) — returns 400 Bad Request"],"whenToPreferThis":"Choose this endpoint when you need live, cross-protocol DeFi yield pool data (APY, TVL, chain, project) without a long-term API key commitment — ideal for pay-as-you-go agent workflows, one-off yield research, or automated DeFi opportunity scanners that use x402 micropayments on Base. Prefer it over generic DeFiLlama API calls when you want a curated, AI-augmented view with built-in filtering by TVL and a structured summary.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T00:42:19.294Z","isFirstParty":false,"canonicalSlug":"speraxos-defi-yield-pools-api-4709535f"}