{"uid":"cap_9c4tR9a8uUkGvquPezp_H","slug":"fathom-macroeconomic-data-api-bulk-07e0a4fb","name":"Fathom Macroeconomic Data API (Bulk)","description":"Free macroeconomic data API powered by FRED. 816,000+ economic time series. GDP, inflation, unemployment, interest rates, and more.","url":"https://fredfathom.vercel.app/api/bulk?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","required":["seriesIds"],"properties":{"limit":{"type":"string","description":"Observations per series (default: 5)"},"seriesIds":{"type":"array","description":"Array of FRED series IDs (e.g. ['GDP', 'UNRATE', 'CPIAUCSL'])"}}},"responseSchema":{"type":"object","required":["source"],"properties":{"source":{"type":"string"},"results":{"type":"object"}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.15","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":"$0.15/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.15","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.15","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_ihbII37kRrA5dcohWcn58","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.15","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Fetches bulk macroeconomic time series data from FRED for one or more series IDs in a single POST request","exampleAgentPrompt":"Pull the latest 10 observations each for GDP, UNRATE, and CPIAUCSL from FRED so I can see recent trends in growth, unemployment, and inflation together.","exampleUseCases":[{"title":"Recession risk dashboard","prompt":"Fetch the last 20 observations each for GDP, UNRATE, T10Y2Y, and USREC from FRED so I can track recession indicators in one place."},{"title":"Inflation research report","prompt":"Get me the 12 most recent data points for CPIAUCSL, CPILFESL, and PCEPI from FRED — I need headline CPI, core CPI, and PCE inflation for a comparison report."},{"title":"Central bank policy briefing","prompt":"Retrieve the last 8 observations for FEDFUNDS, DGS10, and DGS2 from FRED so I can summarize where the Fed funds rate and Treasury yields stand right now."}],"resultDescription":"Returns a JSON object with a source field (identifying FRED as the data provider) and a results object keyed by series ID, each containing the requested number of time-stamped observations with their values for the requested economic indicators.","failureModes":["Invalid or non-existent FRED series ID returns an error or empty result for that series","Malformed seriesIds array (non-array type) triggers a validation error","Network timeout on the upstream FRED API causes a failed response","Requesting too many series simultaneously may degrade response quality or trigger upstream rate limits","Missing required seriesIds field returns a 400-level error"],"whenToPreferThis":"Choose this endpoint when you need to fetch data for multiple FRED economic series in a single call rather than querying them one at a time. It is ideal for dashboards, research workflows, or any agent task requiring several macroeconomic indicators simultaneously. Prefer it over single-series endpoints when batching GDP, CPI, unemployment, interest rates, or any of the 816,000+ FRED series together is more efficient.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-11T18:35:27.352Z","isFirstParty":false,"canonicalSlug":"fathom-macroeconomic-data-api-bulk-07e0a4fb"}