{"uid":"cap_cJqCweUlS8MW9V7KzJd3S","slug":"market-intelligence-api-defi-yields-lending-rates-21299541","name":"Market Intelligence API – DeFi Yields & Lending Rates","description":"DeFi yields and lending rates, live APY ($0.002): supply and borrow APY, utilization and USD size of every Aave v3 (Ethereum, Base, Arbitrum, Optimism, Polygon), Spark and Compound v3 market, read on chain every 10 minutes, highest supply APY first, with the best USDC, USDT, WETH, WBTC and DAI rate. Filter by asset (or stablecoins), chain, protocol and minimum TVL. Use to find where idle stablecoins or ETH earn most.","url":"https://api.marketintelligenceapi.com/api/v1/markets/yields?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input","output"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","properties":{"asset":{"type":"string","description":"Token symbol (USDC, USDT, WETH, WBTC, DAI, ...), or stablecoins for every dollar and euro stablecoin; all assets when omitted."},"chain":{"enum":["ethereum","base","arbitrum","optimism","polygon"],"type":"string","description":"Only markets on this chain. Not the payment network."},"limit":{"type":"integer","default":25,"maximum":200,"minimum":1,"description":"Maximum markets returned."},"protocol":{"enum":["aave_v3","spark","compound_v3"],"type":"string","description":"Only this protocol."},"minTvlUsd":{"type":"number","default":1000000,"minimum":0,"description":"Leave out markets with less than this supplied (USD)."}},"additionalProperties":false}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"description":"Example JSON response returned by this endpoint"}},"additionalProperties":true}},"additionalProperties":false},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.002","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":"$0.002/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.002","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Dn0fpKVypyjZi-YvWF7Xi","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.002","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns live supply and borrow APY, utilization, and TVL for every Aave v3, Spark, and Compound v3 market across five chains, refreshed every 10 minutes, sorted by highest supply APY.","exampleAgentPrompt":"What's the best supply APY available for USDC right now across Aave v3, Spark, and Compound on Ethereum and Base — only show markets with at least $1 million in TVL?","exampleUseCases":[{"title":"Maximizing idle stablecoin yield","prompt":"I have idle USDC sitting in my wallet — where across Aave v3, Spark, and Compound on Ethereum, Arbitrum, and Base can I earn the most right now? Only show markets with at least $2 million in liquidity."},{"title":"Comparing WETH borrow costs across chains","prompt":"I want to borrow WETH as cheaply as possible — can you pull the current borrow APYs for WETH across all supported chains on Aave v3 and Compound v3 and tell me where the rate is lowest?"},{"title":"Monitoring Polygon DeFi market utilization","prompt":"Show me all lending markets on Polygon with a TVL of at least $5 million — I want to see supply APY, borrow APY, and utilization rate for each one so I can spot any that are getting close to full capacity."}],"resultDescription":"A ranked JSON array of lending markets, each containing the protocol name, chain, asset symbol, supply APY, borrow APY, utilization rate, and total supplied in USD — ordered by highest supply APY first, filtered per the query parameters.","failureModes":["Invalid or unsupported asset symbol returns an empty result set","Chain or protocol enum value misspelled returns a 400 validation error","minTvlUsd set too high filters out all markets, returning an empty array","Payment not sent or insufficient USDC balance results in a 402 Payment Required error","On-chain data temporarily unavailable during indexing window returns stale or partial data"],"whenToPreferThis":"Use this endpoint when you need live, cross-protocol DeFi lending rates in a single call — especially when comparing supply or borrow APYs across Aave v3, Spark, and Compound v3 simultaneously. It is the right choice over scraping protocol UIs or calling individual protocol APIs because it normalizes data across five chains and three protocols, refreshes every 10 minutes, and returns results ranked by APY. Prefer it when the user wants to optimize yield on stablecoins or ETH, understand market utilization, or monitor lending market conditions programmatically.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T06:39:39.951Z","isFirstParty":false,"canonicalSlug":"market-intelligence-api-defi-yields-lending-rates-21299541"}