{"uid":"cap_EnWAUGLTCBNZlTTpGsdYn","slug":"barker-market-trend-stablecoin-apy-vs-us-treasury-benchmark-4bce263b","name":"Barker Market Trend: Stablecoin APY vs US Treasury Benchmark","description":"Barker's historical APY trend for stablecoins vs. US Treasury benchmark over a lookback window (7–180 days). Use for 'DeFi vs treasury', 'is stablecoin APY going up', 'crypto yield trend', '稳定币利率走势'.","url":"https://mcp.barker.money/barker_market_trend","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":{"days":{"type":"integer","maximum":180,"minimum":7,"description":"Lookback window in days (default 30)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_eBAP0C7wQudv8vJeT5SZY","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x779ded0c9e1022225f8e0630b35a9b54be713736","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns historical APY trend data for stablecoins compared to a US Treasury benchmark over a configurable lookback window of 7 to 180 days","exampleAgentPrompt":"Show me how stablecoin APY has trended versus the US Treasury benchmark over the last 60 days — I want to know if DeFi yields are moving up or down relative to traditional rates.","exampleUseCases":[{"title":"DeFi vs treasury yield comparison","prompt":"How has stablecoin APY compared to US Treasury rates over the past 90 days? I want to see whether DeFi is consistently beating traditional fixed income."},{"title":"Detecting rising crypto yield environment","prompt":"Is stablecoin yield trending upward right now? Pull the APY trend for the last 30 days and tell me if it looks like yields are climbing."},{"title":"Long-term DeFi yield trend analysis","prompt":"Give me the full 180-day historical APY trend for stablecoins versus treasury benchmarks — I'm trying to understand the macro yield environment in DeFi over the past six months."}],"resultDescription":"A time series of stablecoin aggregate APY values alongside a US Treasury benchmark rate, covering the requested lookback window (7–180 days), allowing trend and relative performance analysis between DeFi yields and traditional fixed income.","failureModes":["days parameter outside 7–180 range returns validation error","Missing required input wrapper causes schema validation failure","Endpoint returns empty or partial data if the lookback window predates available historical data","Network or payment authorization failure returns 402 or 5xx error"],"whenToPreferThis":"Use this endpoint when you need to understand directional yield trends — whether stablecoin APY is rising or falling — and how it compares to the US Treasury benchmark over time. Prefer this over the per-pool time series endpoint when you want aggregate market-level trend data rather than a specific pool's history, and over the snapshot endpoint when you need historical context rather than a point-in-time view.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:32:02.212Z","isFirstParty":false}