{"uid":"cap_cdFAhgTq1YE0Rz1GuicB4","slug":"x402-alert-defi-yield-api-69135e43","name":"x402 Alert DeFi Yield API","description":"14 paid financial API endpoints. Pay with USDC on Base using x402 protocol.","url":"https://x402-alert.vercel.app/api/defi-yield","method":"POST","headers":{},"bodySchema":null,"responseSchema":{"type":"object","example":{"result":{"data":"example response"}},"properties":{"result":{"type":"object","description":"API response data"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.09","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":"$0.09/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.09","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.09","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_cZ7Z23dBmdkov7viKvm4C","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.09","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Retrieves current DeFi yield data and rates for decentralized finance protocols, paid via USDC on Base using the x402 protocol","exampleAgentPrompt":"What are the current DeFi yield rates across major protocols right now? I want to find the best APY opportunities available.","exampleUseCases":[{"title":"Finding best yield farming opportunities","prompt":"Can you check the current DeFi yield rates and tell me which protocols are offering the highest APY right now? I want to put some stablecoins to work."},{"title":"DeFi portfolio yield monitoring","prompt":"Pull the latest DeFi yield data so I can compare current returns across protocols — I need to decide whether to move my liquidity to a higher-yielding pool."},{"title":"Automated DeFi yield tracking","prompt":"Get me the current DeFi yield rates so I can see if any protocol's APY has changed significantly since yesterday and decide if I should rebalance."}],"resultDescription":"Returns a result object containing current DeFi yield data, including yield rates, APY figures, and protocol-level return information for decentralized finance platforms","failureModes":["Payment failure: insufficient USDC balance on Base network for the $0.09 fee","x402 protocol payment not completed: API returns 402 before delivering data","Invalid or missing request body parameters causing malformed query","Upstream DeFi data source unavailable, returning stale or empty results","Rate limiting if too many requests are made in a short period"],"whenToPreferThis":"Choose this endpoint when you need real-time or near-real-time DeFi yield and APY data and are operating in a Web3-native context where paying per-call with USDC on Base is acceptable. It is part of a broader financial monitoring hub with 14 endpoints, making it convenient when you already integrate with x402 Alert for other financial data needs. Prefer this over free alternatives when you need reliable, monetized data quality and are already using the x402 payment protocol.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:41:11.275Z","isFirstParty":false}