{"uid":"cap_XydwVCZ0N0VLYMUUaY_A2","slug":"x402-yields-api-ac7bd018","name":"x402 Yields API","description":"Paid API endpoints for prices, weather, FX, news, gas, dominance, fear/greed, ATH, and more","url":"https://x402-api-production-bd43.up.railway.app/yields?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"chain":{"type":"string","description":"Filter by chain (default: all)"}}},"responseSchema":null,"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_IM1Bwx_Iseax-O9qUHlvx","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns DeFi protocol yield/interest rate data, optionally filtered by protocol name","exampleAgentPrompt":"What are the current yield rates across DeFi protocols? Pull data for Aave if you can filter by protocol.","exampleUseCases":[{"title":"Compare DeFi lending yields","prompt":"Show me the current yield rates across all DeFi lending protocols so I can decide where to park my stablecoins."},{"title":"Check yields for specific protocol","prompt":"What's the current APY on Aave right now? Fetch the latest yield data just for that protocol."},{"title":"Monitor best yield opportunities","prompt":"Pull the latest DeFi yield rates for all protocols so I can see which one is offering the best returns today."}],"resultDescription":"Returns yield/interest rate data for DeFi protocols, including APY or APR figures. When a protocol name is provided, results are filtered to that specific protocol; otherwise, yields across multiple protocols are returned.","failureModes":["Invalid or unrecognized protocol name returns empty results or an error","Payment of 0.005 USDC required per call — failure to pay returns 402 status","Endpoint may return stale data if upstream data sources are delayed","Network or server errors on the Railway deployment may cause 5xx responses"],"whenToPreferThis":"Use this endpoint when you need real-time DeFi yield or interest rate data and are willing to pay a small per-call micropayment via x402. Prefer this over free alternatives when you need reliable, on-demand yield data with optional protocol filtering in an agent-native payment flow.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-20T06:40:09.315Z","isFirstParty":false,"canonicalSlug":"x402-yields-api-ac7bd018"}