{"uid":"cap_HrsP4mXLAyNJF1PzllK9R","slug":"fathom-macroeconomic-data-api-latest-value-16521d0e","name":"Fathom Macroeconomic Data API — Latest Value","description":"Free macroeconomic data API powered by FRED. 816,000+ economic time series. GDP, inflation, unemployment, interest rates, and more.","url":"https://fathom-opal.vercel.app/api/latest","method":"POST","headers":{},"bodySchema":{"type":"object","required":["seriesId"],"properties":{"seriesId":{"type":"string","description":"FRED series ID"}}},"responseSchema":{"type":"object","required":["source"],"properties":{"latest":{"type":"object"},"source":{"type":"string"},"series_id":{"type":"string"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.04","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"registry","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":"$0.04/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.04","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.04","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_fa3H3QYbQUDKRQHI60WPO","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.04","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Returns the most recent data point for any FRED economic time series given a series ID","exampleAgentPrompt":"What's the latest US unemployment rate? Use the FRED series ID UNRATE to pull the most recent data point.","exampleUseCases":[{"title":"Real-time inflation monitoring dashboard","prompt":"Pull the latest CPI reading using FRED series CPIAUCSL so I can see where inflation stands right now."},{"title":"Interest rate research for mortgage analysis","prompt":"What's the current 30-year fixed mortgage rate? Grab the latest value from FRED series MORTGAGE30US."},{"title":"Economic briefing for investment memo","prompt":"I need the most recent US real GDP growth figure — can you fetch it using FRED series A191RL1Q225SBEA?"}],"resultDescription":"Returns a JSON object containing the latest data point (value and date) for the requested FRED series, the series ID echoed back, and a source attribution string indicating the data comes from FRED.","failureModes":["Invalid or unknown FRED series ID returns an error or empty result","Series exists but has no recent data points","Network timeout on the Vercel deployment","Payment of 0.04 USDC not completed results in 402 error","Series ID provided in wrong format (case-sensitive)"],"whenToPreferThis":"Choose this endpoint when you need the single most recent value for any of FRED's 816,000+ economic time series — especially useful for real-time economic indicators like GDP, CPI, unemployment, interest rates, or money supply. Prefer this over direct FRED API access when you want a simple, low-friction paid endpoint without managing FRED API keys. Best for spot lookups rather than historical time series retrieval.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:36:36.332Z","isFirstParty":false}