{"uid":"cap_thhwx5mVfGreXLEY_A-z2","slug":"fathom-macroeconomic-data-api-09f9b12e","name":"Fathom Macroeconomic Data API","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/series","method":"POST","headers":{},"bodySchema":{"type":"object","required":["seriesId"],"properties":{"seriesId":{"type":"string","description":"FRED series ID (e.g. GDP, UNRATE)"}}},"responseSchema":{"type":"object","required":["source"],"properties":{"info":{"type":"object"},"source":{"type":"string"},"seriesId":{"type":"string"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.06","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":"$0.06/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.06","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.06","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_0CzHO9u2eWUPBdlxtOmIm","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.06","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches economic time series data from FRED (Federal Reserve Economic Data) by series ID, returning historical macroeconomic indicators like GDP, inflation, and unemployment.","exampleAgentPrompt":"Pull the FRED series for US unemployment rate — the series ID is UNRATE — and show me the latest data points.","exampleUseCases":[{"title":"Track inflation for economic report","prompt":"Get me the latest CPI inflation data from FRED — use series ID CPIAUCSL — so I can include it in my quarterly economic summary."},{"title":"Monitor GDP growth over time","prompt":"Fetch the US real GDP time series from FRED using series ID GDPC1, I want to see how economic output has changed over the past few years."},{"title":"Research interest rate trends","prompt":"Can you look up the Federal Funds Effective Rate from FRED — the series ID is FEDFUNDS — and give me the historical data so I can analyze rate hike cycles?"}],"resultDescription":"Returns a JSON object containing the FRED series ID, the data source identifier, and an info object with metadata and historical data points for the requested economic time series.","failureModes":["Invalid or non-existent FRED series ID returns an error or empty result","Network timeout if FRED upstream is slow","Payment failure (x402) if insufficient USDC balance","Rate limiting if too many requests are made in quick succession","Malformed request body missing the required seriesId field"],"whenToPreferThis":"Choose this endpoint when you need structured access to any of FRED's 816,000+ macroeconomic time series by their known FRED series ID, especially for US economic indicators like GDP, CPI, unemployment, or interest rates. It is ideal when you already know the FRED series ID and need a quick, pay-per-call lookup without setting up a full FRED API key or subscription.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T18:36:51.906Z","isFirstParty":false}