{"uid":"cap_IgUrONBPN5KPJUlfKfsR9","slug":"agentfund-us-treasury-yield-curve-cb017b8c","name":"AgentFund US Treasury Yield Curve","description":"US Treasury Yield Curve","url":"https://x402.agentfund.net/x402/treasury_yield_curve","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"days":{"type":"number","description":"Recent business days to return (1-30, default 1)."}}},"responseSchema":{"type":"json","example":{"asOf":"2026-08-14","latest":{"date":"2026-08-14","tenors":{"2Y":4.17,"3M":3.86,"10Y":4.68,"30Y":5.25},"inverted":false,"spread2s10s":0.51,"spread3m10y":0.82}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Iu_MaYYHR4t9BWUPc0v-r","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns recent US Treasury yield curve data across maturities for up to 30 business days","exampleAgentPrompt":"Pull the US Treasury yield curve data for the last 5 business days so I can see how rates have shifted across maturities.","exampleUseCases":[{"title":"Daily macro briefing yield snapshot","prompt":"Give me today's US Treasury yield curve — I want to see the rates across all maturities for this morning's macro briefing."},{"title":"Yield curve inversion check","prompt":"Has the US Treasury yield curve been inverted over the past 10 business days? Fetch the yield data so I can compare the 2-year and 10-year rates."},{"title":"Fixed income portfolio rate monitoring","prompt":"Retrieve the Treasury yield curve for the last 30 business days so I can track how interest rate levels have trended and update my fixed income model."}],"resultDescription":"Returns US Treasury yield curve data for the requested number of recent business days, including yield rates across standard maturity tenors (e.g. 1-month, 3-month, 6-month, 1-year, 2-year, 5-year, 10-year, 30-year). Each record is timestamped by business date.","failureModes":["days parameter out of range (must be 1-30) returns validation error","payment failure (402) if USDC balance insufficient","upstream Treasury data unavailable or delayed during market holidays","malformed request body returns 400 error"],"whenToPreferThis":"Choose this endpoint when you need structured, machine-readable US Treasury yield curve data for macro analysis, fixed income modeling, or monitoring interest rate conditions. Particularly useful for agents tracking yield curve inversion signals or building economic dashboards. Part of a broader suite of US economic data endpoints on the same provider, making it easy to combine with CPI, PCE, or jobs data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T12:46:41.629Z","isFirstParty":false}