{"uid":"cap_mSzjKhpL5ccnAp0nOgpyS","slug":"fathom-macroeconomic-data-search-api-c3aeaa64","name":"Fathom Macroeconomic Data Search 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/search","method":"POST","headers":{},"bodySchema":{"type":"object","required":["query"],"properties":{"limit":{"type":"string","description":"Max results (default: 10)"},"query":{"type":"string","description":"Search keywords (e.g. 'inflation rate', 'housing starts')"}}},"responseSchema":{"type":"object","required":["source"],"properties":{"count":{"type":"number"},"query":{"type":"string"},"series":{"type":"array","items":{"type":"object"}},"source":{"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_iipU6EY6CRdzFvjQ0rSoE","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":"Search 816,000+ FRED-powered economic time series by keyword to discover macroeconomic data on GDP, inflation, unemployment, interest rates, and more","exampleAgentPrompt":"Search the FRED-powered Fathom macroeconomic database for time series related to 'inflation rate' and return the top 5 results so I can see what economic series are available.","exampleUseCases":[{"title":"Researching inflation indicators","prompt":"Search for economic time series about consumer price inflation — I want to find the best FRED series to track inflation trends in the US, give me the top 10 results."},{"title":"Finding unemployment data series","prompt":"Can you look up macroeconomic series related to 'unemployment rate' in the Fathom FRED database? I need to pick the right series for my economic model."},{"title":"Discovering GDP growth data","prompt":"Search for GDP time series in the Fathom macroeconomic API — I'm building a dashboard and need to find which FRED series cover gross domestic product growth, show me up to 8 results."}],"resultDescription":"Returns a JSON object with the original query string, a count of matched series, the data source attribution ('FRED'), and an array of matching economic time series objects — each containing series metadata such as identifier, title, frequency, units, and description.","failureModes":["Missing required 'query' field returns a validation error","Very broad or ambiguous queries may return unrelated series","Rate limiting or payment failure (x402) may block access","Query returning zero results if search terms are too specific or misspelled","Vercel cold-start may add latency on first call"],"whenToPreferThis":"Choose this endpoint when you need to discover and identify specific economic time series from the FRED database by keyword — ideal for finding series identifiers before fetching actual data, building economic dashboards, or researching which macroeconomic indicators are available for a given topic. Prefer it over direct FRED API access when you want a simple search interface with pay-per-call pricing and no API key management.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T00:41:06.788Z","isFirstParty":false}