{"uid":"cap_p8mYqi49-EDuSTHbKTFJh","slug":"onchainpulse-usdc-yield-apy-panel-base-db001666","name":"OnchainPulse USDC Yield APY Panel (Base)","description":"Live USDC yield panel on Base, read DIRECTLY from chain state — Aave v3, Compound v3, Moonwell, Euler v2 supply APY from onchain rate views, plus the six largest Morpho (MetaMorpho) USDC vaults with REALIZED trailing APY from ERC-4626 share-price deltas (archive reads, net of fees — not a vendor estimate). Optional: any custom ERC-4626 vault address on Base. Built for yield agents (Sail/Sailor, rebalancers, treasury bots) that need verify-before-acting numbers.","url":"https://onchainpulse.theaslangroupllc.com/api/vault-apy","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","properties":{"scope":{"type":"string","description":"pools | vaults | all (default all) — pools = lending markets, vaults = ERC-4626 panel"},"vault":{"type":"string","description":"optional 0x… address of ANY ERC-4626 vault on Base to read alongside the panel"},"window":{"type":"string","description":"1 | 7 | 30 — trailing window in days for realized vault APY (default 7)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"errors":{"type":"object","description":"Documented error responses, keyed by HTTP status code","additionalProperties":{"type":"object","required":["description"],"properties":{"example":{"type":"object"},"description":{"type":"string"}}}},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"as_of_block":48733708,"erc4626_vaults":[{"name":"Gauntlet USDC Prime (gtUSDCp)","method":"convertToAssets share-price delta over 7d, annualized — realized net yield","protocol":"morpho-metamorpho","window_days":7,"trailing_apy_pct":4.356,"share_price_underlying":1.103521,"total_assets_underlying":426870673.6}],"lending_markets":[{"market":"USDC","method":"Pool.getReserveData().currentLiquidityRate — annual APR in RAY","address":"0xA238…d1c5","protocol":"aave-v3","supply_apr_pct":3.022,"supply_apy_pct":3.0681}]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_s8ompLc-1vlHGRvd_iJEZ","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns live USDC supply APY from Aave v3, Compound v3, Moonwell, Euler v2, and the top 6 Morpho MetaMorpho vaults on Base, read directly from onchain state with realized trailing APY from share-price deltas.","exampleAgentPrompt":"Pull the latest onchain USDC yield panel for Base — give me the current supply APY from Aave v3, Compound v3, Moonwell, and Euler v2, plus the realized trailing APY for the top Morpho MetaMorpho USDC vaults, so I can decide where to rebalance my treasury.","exampleUseCases":null,"resultDescription":"A structured panel of current USDC supply APYs read directly from Base chain state: onchain rate-view APYs for Aave v3, Compound v3, Moonwell, and Euler v2; realized trailing APYs (net of fees, from ERC-4626 share-price deltas via archive reads) for the six largest Morpho MetaMorpho USDC vaults; and optionally APY for a custom ERC-4626 vault address supplied by the caller.","failureModes":["Archive node unavailable or rate-limited — returns error with retry guidance","Invalid or unsupported custom ERC-4626 vault address — returns validation error","Base network congestion causing stale reads — response may include staleness warning","Payment not received or x402 auth failure — request rejected before execution","Protocol contract address changed or upgraded — may return stale or missing APY for affected protocol"],"whenToPreferThis":"Choose this endpoint when you need trustless, verify-before-acting USDC yield data read directly from Base chain state rather than relying on vendor estimates or aggregator APIs. Ideal for yield-rebalancing agents, treasury bots, and Sail/Sailor-style autonomous yield managers that require realized, net-of-fees APY rather than projected rates. Prefer this over CoinGecko, DeFiLlama, or similar aggregators when onchain verifiability is a hard requirement.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:43:39.252Z","isFirstParty":false}