{"uid":"cap_FT_vbhuOj8mFWp6Kq95lY","slug":"defi-lending-rate-aggregator-88a2e511","name":"DeFi Lending Rate Aggregator","description":"Best supply/lending APYs for an asset across Aave, Compound, Morpho, Spark and more, ranked by yield with TVL. Send { asset, chain? }. Rate-shop where to lend.","url":"https://x402-services-production.up.railway.app/api/lending/rates","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"asset":{"type":"string","description":"Token symbol, e.g. USDC, ETH"},"chain":{"type":"string","description":"Optional chain filter"},"limit":{"type":"number","description":"Max results"}}},"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_tNW66SfT3pmS-8TDz9ObZ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the best supply/lending APYs for a given asset across Aave, Compound, Morpho, Spark and other protocols, ranked by yield with TVL data.","exampleAgentPrompt":"What's the best lending APY I can get right now for USDC on Ethereum — compare Aave, Compound, Morpho, and Spark and show me the top 5 options ranked by yield?","exampleUseCases":null,"resultDescription":"A ranked list of lending opportunities for the specified asset, each showing the protocol name, chain, current supply APY, and TVL, sorted from highest to lowest yield.","failureModes":["Unknown asset symbol returns empty results or error","Unsupported chain filter returns no results","Rate-limit or upstream protocol data unavailable returns partial or error response","Payment failure (insufficient USDC) blocks the request","Malformed request body returns 400 validation error"],"whenToPreferThis":"Use this endpoint when you need to rate-shop lending yields across multiple DeFi protocols (Aave, Compound, Morpho, Spark) for a specific asset, especially when you want TVL alongside APY to gauge safety and depth. Prefer this over manually querying individual protocol APIs.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:47:11.262Z","isFirstParty":false}