{"uid":"cap_4dbmOuMZ8ZmjpBs2q-QJ-","slug":"ddg-treasury-yield-curve-rates-df708e07","name":"DDG Treasury Yield Curve Rates","description":"U.S. Treasury daily par yield curve rates: 1M-30Y maturities for the latest business day, a chosen date, or a whole month, plus recent history. Upstream: treasury.gov daily treasury par yield curve (public domain).","url":"https://agents.daedalusdevelopmentgroup.com/v1/treasury-yield-curve?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input","output"],"properties":{"input":{"type":"object","required":["type","method","bodyType","body"],"properties":{"body":{"type":"object"},"type":{"type":"string","const":"http"},"method":{"enum":["POST","PUT","PATCH"],"type":"string"},"bodyType":{"enum":["json","form-data","text"],"type":"string"}},"additionalProperties":true},"output":{"type":"object","required":["type","example"],"properties":{"type":{"type":"string"},"example":{"ok":true}},"additionalProperties":true}}},"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_sq6xekJhKteiIKVdCE81v","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 U.S. Treasury daily par yield curve rates for maturities from 1-month to 30-year, for a specific date, month, or the latest business day.","exampleAgentPrompt":"What are today's U.S. Treasury par yield curve rates across all maturities, from 1-month out to 30-year?","exampleUseCases":[{"title":"Daily yield curve snapshot for portfolio","prompt":"Pull today's U.S. Treasury par yield curve rates for all maturities — I need everything from the 1-month bill out to the 30-year bond for our morning portfolio briefing."},{"title":"Historical rate lookup for a specific date","prompt":"What were the U.S. Treasury par yield curve rates on March 15, 2023? I need all the maturities from 1-month to 30-year."},{"title":"Monthly yield curve history for analysis","prompt":"Get me the full U.S. Treasury par yield curve data for every business day in January 2024 — I want all maturities so I can analyze how rates shifted across the month."}],"resultDescription":"Returns U.S. Treasury daily par yield curve rates for all standard maturities (1M, 2M, 3M, 6M, 1Y, 2Y, 3Y, 5Y, 7Y, 10Y, 20Y, 30Y) for the requested date, month, or latest available business day, sourced from treasury.gov public domain data.","failureModes":["Requested date falls on a weekend or holiday with no yield curve data published","Date is out of range or in the future","Malformed date input returns a validation error","Treasury.gov upstream unavailability may cause stale or missing data","Unsupported maturity requested"],"whenToPreferThis":"Choose this endpoint when you need official U.S. Treasury par yield curve rates as published by treasury.gov, especially for specific historical dates or months. Prefer it over scraped or third-party rate sources when data provenance and public-domain accuracy matter, or when you need the full maturity spectrum from 1-month to 30-year in a single call via a machine-payable x402 API.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T12:39:45.862Z","isFirstParty":false,"canonicalSlug":"ddg-treasury-yield-curve-rates-df708e07"}