{"uid":"cap_maeAOvOVqFqxxUwvk2CK-","slug":"api-lastlookdata-com-b3f5770a","name":"LastLook Data — Current 30-Year US Treasury Yield (DGS30)","description":"LastLook Data — current 30-year US Treasury yield (DGS30). Alias for /api/current?id=DGS30.","url":"https://api.lastlookdata.com/api/treasury/current","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":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":{"request":{"input":{"type":"http","method":"GET","queryParams":{}}},"response":{"date":"2026-05-28","note":"Source: Federal Reserve Bank of St. Louis (FRED)","series":"DGS30 - 30-Year Treasury Constant Maturity Rate","service":"LastLook Data","yield_percent":4.98}},"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"settled","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_5nMzQAk2NsjsKkTT9zE6m","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 most recent 30-year US Treasury constant maturity yield (DGS30) from FRED.","exampleAgentPrompt":"What is the current 30-year US Treasury yield? I need the latest DGS30 value from FRED.","exampleUseCases":null,"resultDescription":"Returns the most recent value of the DGS30 series — the 30-year US Treasury constant maturity yield — including the yield percentage and the date of the observation.","failureModes":["FRED data not yet updated for the current day — returns most recently available observation","Payment failure (402) if x402 micropayment is not properly handled — no data returned","Network or upstream FRED API unavailability — service may return 5xx error","Invalid or missing request headers for x402 payment flow — returns 402 with payment details"],"whenToPreferThis":"Choose this endpoint when you specifically need the current 30-year US Treasury yield (DGS30) and want a direct, no-parameter GET call. It is an alias for /api/current?id=DGS30 and is ideal when the long bond rate is the exact metric needed, rather than a different maturity or a historical time series.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:34:06.201Z","isFirstParty":false}