{"uid":"cap_nyxo3OGhW_rUH0JE12akv","slug":"myc-iasignal-weth-best-supply-yield-oracle-cd56bb71","name":"MycелiaSignal WETH Best Supply Yield Oracle","description":"Best WETH supply yield across all protocols and chains — Ed25519 signed attestation","url":"https://api.myceliasignal.com/oracle/defi/yield/best/weth","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"],"type":"string"},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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":"$0.05/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.05","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_bsQh2b_eEiSqF7cZMxnNm","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.05","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the best current WETH supply yield rate across all DeFi protocols and chains, delivered as an Ed25519-signed attestation","exampleAgentPrompt":"What's the best WETH supply yield available right now across all DeFi protocols and chains — I want to know which protocol and chain to deposit on and the current APY, and I need it cryptographically signed so I can trust it.","exampleUseCases":null,"resultDescription":"Returns a signed payload containing the top WETH supply yield opportunity: the best APY found, the protocol name (e.g. Aave, Compound, Morpho), the chain it's on, and an Ed25519 cryptographic signature attesting to the authenticity of the data.","failureModes":["No yield data available for WETH if protocols are unreachable or indexing is stale","Signature verification failure if the Ed25519 key is rotated","HTTP 402 if payment is not submitted or USDC balance is insufficient","Rate limiting or timeout if underlying protocol data sources are slow"],"whenToPreferThis":"Use this endpoint when you need a single authoritative, cryptographically attested answer for the best WETH supply yield across all major DeFi protocols and chains simultaneously, rather than querying each protocol API individually. Ideal for agents making yield-optimization decisions that require tamper-evident data provenance via Ed25519 signatures.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T13:07:03.730Z","isFirstParty":false}