{"uid":"cap_PwCvbElr_Fnlnhm6GNVCU","slug":"fred-x402-vercel-app-b4dd7b7b","name":"FRED Historical Observations","description":"Historical observations for any FRED series. Returns up to 100 data points in chronological order. Great for trend analysis and time-series modeling.","url":"https://fred-x402.vercel.app/fred/history?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","required":["id"],"properties":{"id":{"type":"string","description":"FRED series ID or plain-English name"},"limit":{"type":"string","description":"Number of observations (default 24, max 100)"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","properties":{"id":{"type":"string"},"title":{"type":"string"},"observations":{"type":"array","items":{"type":"object"}}}}}}}},"responseSchema":null,"example":{"request":{"input":{"type":"http","method":"GET","queryParams":{"id":"GDP","limit":"12"}}},"response":{"id":"GDP","title":"Gross Domestic Product","units":"Bil. of $","frequency":"Q","observations":[{"date":"2026-01-01","value":31819.464},{"date":"2025-10-01","value":31422.526},{"date":"2025-07-01","value":31098.027},{"date":"2025-04-01","value":30485.729},{"date":"2025-01-01","value":30042.113},{"date":"2024-10-01","value":29825.182},{"date":"2024-07-01","value":29511.664},{"date":"2024-04-01","value":29147.044},{"date":"2024-01-01","value":28708.161},{"date":"2023-10-01","value":28424.722},{"date":"2023-07-01","value":28074.846},{"date":"2023-04-01","value":27530.055}]}},"exampleRequest":{"id":"GDP","limit":"12"},"tags":["x402"],"displayCostAmount":"0.003","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":"down","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.003/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_SXTajFVqsVNEzpz0RSCDq","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 up to 100 chronological historical data points for any FRED economic series by series ID or plain-English name","exampleAgentPrompt":"Pull the last 48 monthly observations of the US unemployment rate (UNRATE) from FRED so I can analyze the trend over the past 4 years.","exampleUseCases":null,"resultDescription":"Returns a JSON object containing the series ID, full title, units (e.g. '%'), frequency (e.g. 'M' for monthly), and an array of up to 100 observations sorted chronologically, each with a date and numeric value.","failureModes":["Invalid or unknown series ID returns an error or empty observations array","Limit exceeding 100 is clamped or rejected","Plain-English name fails to resolve to a known FRED series","Payment not processed results in HTTP 402 response","Network timeout or Vercel cold-start delay"],"whenToPreferThis":"Use this endpoint when you need multiple historical data points for trend analysis, charting, or time-series modeling of any US economic indicator available on FRED. Prefer this over the latest-value endpoint when you need more than a single current reading, and over the search endpoint when you already know the series ID or a descriptive name.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T16:28:09.235Z","isFirstParty":false,"canonicalSlug":"fred-x402-vercel-app-b4dd7b7b"}