{"uid":"cap_BUK58jaaz2I51HJpsUp93","slug":"x402-factory-effective-fed-funds-rate-fred-alfred-5009ba23","name":"x402-factory Effective Fed Funds Rate (FRED/ALFRED)","description":"Effective fed funds rate (Fed, monthly): latest print, revisions, surprise — Latest Effective fed funds rate print from the Fed via FRED/ALFRED: first-release vs latest value with a revised flag (revisions never pose as print-day numbers), surprise vs a labeled expectation (market-implied when a matching prediction market exists, else trend-model), next monthly release date, and a 12-observation…","url":"https://x402-factory.com/v1/econ/fed-funds?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","properties":{"properties":{"type":"string"}}},"responseSchema":{"type":"json","example":{"data":{"title":"Effective Federal Funds Rate","units":"Percent","recent":[{"value":4.33,"obs_date":"2025-08-01"},{"value":4.22,"obs_date":"2025-09-01"},{"value":4.09,"obs_date":"2025-10-01"},{"value":3.88,"obs_date":"2025-11-01"},{"value":3.72,"obs_date":"2025-12-01"},{"value":3.64,"obs_date":"2026-01-01"},{"value":3.64,"obs_date":"2026-02-01"},{"value":3.64,"obs_date":"2026-03-01"},{"value":3.64,"obs_date":"2026-04-01"},{"value":3.63,"obs_date":"2026-05-01"},{"value":3.63,"obs_date":"2026-06-01"},{"value":3.63,"obs_date":"2026-07-01"}],"series":"fed-funds","fred_id":"FEDFUNDS","surprise":{"actual":3.63,"expected":3.63,"surprise":0,"expectation_detail":"trend-model: naive (prior level)","expectation_source":"trend-model"},"frequency":"Monthly","revisions":[],"latest_print":{"revised":false,"headline":3.63,"obs_date":"2026-07-01","latest_value":3.63,"headline_basis":"first release level","headline_units":"%","first_released_on":"2026-08-03","first_release_value":3.63},"release_name":"H.15 Selected Interest Rates","source_agency":"Board of Governors of the Federal Reserve System (US)","next_release_date":"2026-11-27"},"meta":{"docs":"https://x402-factory.com/docs/econ.series.fed-funds","sources":["fred"],"version":"1.0.0","endpoint":"/v1/econ/fed-funds","data_mode":"live","freshness":"daily","request_id":"req_00000000","generated_at":"2026-08-21T03:58:57.915Z"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.02","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":"$0.02/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.02","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Eesnx5Dv8Hi7iwBV762GG","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.02","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the latest effective federal funds rate print from the Fed via FRED/ALFRED, including first-release vs. revised values, a surprise metric vs. market-implied or trend-model expectations, next release date, and a 12-observation mini-series.","exampleAgentPrompt":"What's the latest effective federal funds rate print from the Fed — did it come in above or below expectations, were there any revisions, and when's the next release date?","exampleUseCases":[{"title":"Fed policy surprise tracker","prompt":"Pull the latest effective fed funds rate data — I want to know the actual print, what the market was expecting, and whether it was a surprise. Include whether the number has been revised since first release."},{"title":"Macro dashboard refresh","prompt":"Grab the current effective federal funds rate from the Fed, along with the last 12 monthly observations and the next scheduled release date, so I can update my macro dashboard."},{"title":"Rate revision audit","prompt":"Check if the Fed has revised any of the recent effective fed funds rate readings — show me the first-release values versus the latest values for any periods that were changed."}],"resultDescription":"A JSON object containing: the FRED series ID and title, latest print details (observation date, headline value, units, basis, first-release value, latest value, revised flag), a surprise object with actual vs. expected values and expectation source (market-implied or trend-model), optional linked prediction market info, next monthly release date, a 12-observation recent mini-series array, and a revisions array listing obs dates where first-release and latest values differ.","failureModes":["FRED/ALFRED data temporarily unavailable — upstream data source error","Stale data if Fed has not yet published the latest monthly release","No market-implied expectation available — falls back to trend-model expectation source","Malformed or empty response if the x402 payment is not processed correctly","Rate limit or payment failure resulting in 402 response requiring USDC micropayment"],"whenToPreferThis":"Choose this endpoint when you need authoritative Fed-sourced effective federal funds rate data with revision tracking and a built-in surprise calculation against market-implied or trend-model expectations. 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