{"uid":"cap_6zN6dbHD1BZNLGoBYqlmX","slug":"2s-inflation-expectations-api-017068ef","name":"2s Inflation Expectations API","description":"The (most) everything API: 575+ pay-per-call endpoints for AI agents — ground-truth data, a full AI gateway, and agent infrastructure (storage, queues, watchers). USDC via x402, no signup, no API keys, and upto billing: pay actual usage, not the quote.","url":"https://2s.io/api/inflation/expectations","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":null,"example":{"request":{"properties":"5y_breakeven,5y5y_forward"},"response":{"data":{"ok":true,"items":[{"asOf":"2026-06-17","rate":2.31,"label":"5-Year breakeven inflation rate (TIPS)","measure":"5y-breakeven","seriesId":"T5YIE"},{"asOf":"2026-06-17","rate":2.26,"label":"10-Year breakeven inflation rate (TIPS)","measure":"10y-breakeven","seriesId":"T10YIE"},{"asOf":"2026-06-17","rate":2.21,"label":"5-Year, 5-Year forward inflation expectation","measure":"5y5y-forward","seriesId":"T5YIFR"},{"asOf":"2026-04-01","rate":4.7,"label":"University of Michigan: expected 1-year inflation","measure":"umich-1y","seriesId":"MICH"}],"total":4,"source":{"url":"https://fred.stlouisfed.org/","license":"FRED® data; many series are public domain (US govt). Attribution to FRED required for redistribution.","provider":"Federal Reserve Bank of St. Louis — FRED"}},"meta":{"cost":{"usd":0.0012,"tier":0},"caller":"x402","version":null,"endpoint":"inflation.expectations","settlement":{"txHash":"0x7228fded0dd36f76b0cec4822a3af45c54da8eff765e6ef8f95f7e54473c4159","network":"eip155:8453","success":true}}}},"exampleRequest":{"properties":"5y_breakeven,5y5y_forward"},"tags":["x402"],"displayCostAmount":"0.0012","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":"$0.0012/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Y4cXMZ-ra_UU4s9hTrP3E","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns current market-based inflation expectation rates (breakeven and forward rates) sourced from FRED Federal Reserve data","exampleAgentPrompt":"What are the latest market-based inflation expectations right now — give me the 5-year breakeven and the 5-year 5-year forward rates from the Fed's FRED data?","exampleUseCases":null,"resultDescription":"A JSON array of inflation expectation series, each with an as-of date, the rate value (e.g. 2.39%), a human-readable label (e.g. '5-Year breakeven inflation rate (TIPS)'), a measure identifier (e.g. '5y-breakeven'), and a FRED series ID (e.g. 'T5YIE'). Also includes total count and source attribution to FRED/Federal Reserve Bank of St. Louis.","failureModes":["Payment not received or invalid USDC payment returns 402","FRED upstream data unavailable returns error with ok:false","Rate limiting or service outage returns 5xx error","Stale data if FRED has not published recent figures"],"whenToPreferThis":"Choose this endpoint when you need current, authoritative market-based inflation expectations (breakeven rates, forward rates) derived from TIPS spreads and published by the Federal Reserve. Prefer over general financial APIs when you specifically need FRED-sourced, bond-market-implied inflation data with no signup or API key required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T13:05:08.743Z","isFirstParty":false}