{"uid":"cap_kkgUTfTNQeu2oaGS1Utb2","slug":"stablecoin-yield-option-comparator-3ed3b2cc","name":"Stablecoin & Yield Option Comparator","description":"Rank up to 10 stablecoin/yield options by projected return over a horizon at each stated APY.","url":"https://x402toll.com/v1/crypto/yield-compare","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"years":{"type":"number","default":1},"options":{"type":"array","items":{"type":"object","required":["apyPct"],"properties":{"name":{"type":"string"},"apyPct":{"type":"number"}}},"maxItems":10,"minItems":1},"principalUsd":{"type":"number"}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.05","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":"$0.05/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_jCaHMXOkg2tCWOfSZOFIK","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":"Ranks up to 10 stablecoin or yield-bearing options by projected return over a specified time horizon given each option's APY.","exampleAgentPrompt":"I have $10,000 to put into crypto yield products — compare these 5 options over 2 years: USDC on Coinbase at 4.5% APY, Aave USDC at 6.2%, Morpho at 7.1%, Sky Savings at 5.8%, and Compound at 5.3%. Rank them by projected return.","exampleUseCases":null,"resultDescription":"A ranked list of up to 10 yield options ordered by projected return over the specified horizon, showing each option's name, APY, and calculated earnings on the given principal in USD.","failureModes":["Missing required apyPct field in one or more options — returns 400 validation error","More than 10 options submitted — exceeds maxItems constraint","No options provided — fails minItems:1 constraint","Non-numeric apyPct or years values — schema validation error","Insufficient USDC balance for $0.05 payment — x402 payment failure"],"whenToPreferThis":"Use this endpoint when a user wants to compare multiple crypto yield or stablecoin savings products side-by-side ranked by projected return. Ideal for DeFi portfolio decisions, stablecoin allocation choices, or any scenario requiring a ranked APY comparison across several options over a specific time horizon. Prefer over manual calculations when 3+ options need to be evaluated at once.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:47:53.591Z","isFirstParty":false}