{"uid":"cap_ZVB9mHab--YmenuHMyUU9","slug":"us-30-year-treasury-bond-yield-delayed-cfddc5ff","name":"US 30-Year Treasury Bond Yield (Delayed)","description":"US 30-Year Treasury Bond yield (%), delayed, via Yahoo Finance","url":"https://finance-api.kdlcfa.workers.dev/us30y-yield","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","required":[],"properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","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":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_g9DHhTIWLX8x6xdZljURo","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the current delayed US 30-Year Treasury Bond yield percentage via Yahoo Finance","exampleAgentPrompt":"What is the current US 30-year Treasury bond yield? Just give me the percentage from Yahoo Finance.","exampleUseCases":[{"title":"Mortgage rate context for homebuyers","prompt":"What's the current 30-year Treasury yield? I want to understand the baseline rate that mortgage lenders are pricing off of."},{"title":"Fixed income portfolio dashboard","prompt":"Pull the latest US 30-year Treasury bond yield so I can update my bond allocation dashboard with current long-term rate data."},{"title":"Discount rate for DCF valuation","prompt":"I'm doing a discounted cash flow analysis and need the current US 30-year Treasury yield to use as my long-term risk-free rate assumption."}],"resultDescription":"Returns the delayed US 30-Year Treasury Bond yield as a percentage value, sourced from Yahoo Finance. Typically includes the yield rate and possibly timestamp or metadata about the quote.","failureModes":["Yahoo Finance data unavailable or rate-limited — upstream dependency failure","Stale or delayed data returned without clear timestamp — user may not realize data is not real-time","Payment not processed (x402 micropayment required at $0.01 USDC) — request rejected without valid payment header","Malformed response if Yahoo Finance changes its data format"],"whenToPreferThis":"Choose this endpoint when you need a quick, low-cost lookup of the US 30-year Treasury bond yield and real-time precision is not required. Ideal for dashboards, research, DCF modeling, and macro monitoring where delayed data (typical 15-20 min delay) is acceptable. Prefer over scraping Yahoo Finance directly due to the clean API abstraction. If you need real-time tick data or official Treasury data, use a dedicated Bloomberg or TreasuryDirect feed instead.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T12:48:46.207Z","isFirstParty":false}