{"uid":"cap_qoRFSq9jfDoWG0iUn4yWP","slug":"federal-funds-rate-current-rate-and-trailing-series-fred-dff-75a7dba7","name":"Federal Funds Rate - Current Rate and Trailing Series (FRED DFF)","description":"Current effective federal funds rate (current, as of date, in percent) plus a trailing N-day history of {date, value}. Source: FRED DFF (Board of Governors), a daily series that includes weekends.","url":"https://agent402.tools/api/fed-funds?utm_source=zero.xyz","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":{"days":{"type":"number","description":"Trailing days to return (1-365, default 30)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","required":["date","current","days","history","source"],"properties":{"date":{"type":"string"},"days":{"type":"integer"},"source":{"type":"string"},"current":{"type":"number"},"history":{"type":"array","items":{"type":"object","properties":{"date":{"type":"string"},"value":{"type":"number"}}}}}}}}}},"responseSchema":{"type":"json","example":{"date":"2026-06-17","days":30,"source":"FRED DFF","current":5.33,"history":[{"date":"2026-05-19","value":5.33}]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_MFxdfo9gFVUYa6jwgB8Z6","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the current effective federal funds rate plus a configurable trailing N-day historical series sourced from FRED DFF (Federal Reserve Board of Governors).","exampleAgentPrompt":"What's the current effective federal funds rate, and can you pull the trailing 60-day daily rate series from FRED so I can see how it's been trending?","exampleUseCases":null,"resultDescription":"Returns the current effective federal funds rate and a trailing series of daily rate values (up to 365 days, defaulting to 30) sourced from the Federal Reserve's FRED DFF dataset, indexed by date.","failureModes":["Invalid days parameter (outside 1-365 range) returns an error","FRED data source temporarily unavailable causes fetch failure","Missing or malformed query parameter falls back to 30-day default","Payment not processed (x402 protocol) results in 402 response"],"whenToPreferThis":"Use this endpoint when you need the current effective federal funds rate or a historical daily series from the authoritative FRED DFF source. Prefer this over general financial data APIs when you specifically need the Federal Reserve's official benchmark rate with a clean trailing series for trend analysis, monetary policy research, or interest rate modeling.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-10T06:51:30.426Z","isFirstParty":false,"canonicalSlug":"federal-funds-rate-current-rate-and-trailing-series-fred-dff-75a7dba7"}