{"uid":"cap_vZBOmjEa614MdQI8n4MTv","slug":"api-lastlookdata-com-c295200e","name":"LastLook Data — Yield Curve Spreads (2s10s & 3m10y) with Inversion Signal","description":"LastLook Data — yield curve spreads (2s10s and 3m10y) with inversion signal. Computed from FRED Treasury data.","url":"https://api.lastlookdata.com/api/derived/yield-curve","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":{"note":"Source: Federal Reserve Bank of St. Louis (FRED)","as_of":"2026-05-28","signal":"Normal (upward sloping)","service":"LastLook Data","spreads":{"2s10s":{"label":"10Y minus 2Y Treasury","value":0.46,"inverted":false},"3m10y":{"label":"10Y minus 3-Month T-Bill","value":0.73,"inverted":false}},"components":{"DGS2":3.99,"DGS10":4.45,"DGS1MO":3.72}}},"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.03","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":"$0.03/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.03","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_LXJMvd9xEN84rmeO7_Uz3","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.03","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns current US Treasury yield curve spreads (2s10s and 3m10y) with an inversion signal, computed from FRED data","exampleAgentPrompt":"What are the current US Treasury yield curve spreads — specifically the 2s10s and 3-month/10-year — and is the yield curve currently inverted?","exampleUseCases":[{"title":"Monitor recession risk signals daily","prompt":"Check the current yield curve spreads for me and let me know if we're seeing any inversion signals that might indicate a recession is approaching."},{"title":"Track Treasury market dynamics","prompt":"What's happening with the 2s10s and 3-month/10-year spreads right now? I need to know if the curve is flattening or inverting so I can adjust my portfolio accordingly."},{"title":"Alert on yield curve inversions","prompt":"Pull the latest Treasury yield curve data and notify me immediately if the yield curve has inverted — I want to be on top of any major economic warning signs."}],"resultDescription":"Returns the current 2s10s (2-year vs 10-year Treasury) spread, 3m10y (3-month vs 10-year Treasury) spread, and an inversion signal flag indicating whether the yield curve is currently inverted, all derived from FRED Treasury data.","failureModes":["FRED data unavailable or stale — upstream data source outage may result in delayed or missing values","Rate limit or payment failure — 402 payment required if x402 payment not processed","Network timeout — API may be slow if FRED data refresh is in progress","Invalid endpoint path — returns 404 if URL is malformed"],"whenToPreferThis":"Use this endpoint when you need a quick, pre-computed yield curve spread summary including the inversion signal without having to manually fetch and calculate individual Treasury series from FRED. Ideal for macroeconomic monitoring, recession signal detection, or financial dashboards that need 2s10s and 3m10y spreads in a single call.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T12:50:30.480Z","isFirstParty":false}