{"uid":"cap_YuxpYQKTJtRmHcwmS6nBp","slug":"fathom-macroeconomic-data-api-series-search-3fcca754","name":"Fathom Macroeconomic Data API — Series Search","description":"Free macroeconomic data API powered by FRED. 816,000+ economic time series. GDP, inflation, unemployment, interest rates, and more.","url":"https://fsthum.vercel.app/api/search?utm_source=zero.xyz","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":"0.4","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":"$0.4/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.4","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.4","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_Ec7bF3sina484bWuZSPzP","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.4","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Searches 816,000+ FRED-powered economic time series by keyword, returning matching macroeconomic data series metadata","exampleAgentPrompt":"Search the FRED macroeconomic database for time series related to 'US inflation rate' and return the top 5 matching economic indicators.","exampleUseCases":[{"title":"Inflation Research Dashboard","prompt":"Search for macroeconomic time series about 'CPI inflation' and give me the top 10 results so I can build a chart of US price trends."},{"title":"Unemployment Data Discovery","prompt":"Find FRED economic data series related to 'unemployment rate' — I need up to 8 series to compare labor market indicators across different demographics."},{"title":"Interest Rate Series Lookup","prompt":"Can you search for 'federal funds rate' in the FRED macroeconomic database and return the top 5 series so I know which one to pull for my interest rate model?"}],"resultDescription":"Returns a JSON object containing the search query echo, data source attribution, total count of matching series, and an array of matching economic time series objects (each with series metadata such as ID, title, frequency, units, and observation dates) from the FRED database.","failureModes":["Missing required 'query' field returns a 400 or error response","Empty query string may return zero results or an error","Overly broad queries may return irrelevant series","FRED upstream unavailability may cause failures","Limit parameter passed as non-string may cause validation errors"],"whenToPreferThis":"Use this endpoint when you need to discover or search across FRED's massive catalog of 816,000+ macroeconomic time series by keyword. Prefer this over direct FRED API access when you need a pre-built, payment-ready search interface. Best for agents that need to dynamically find relevant economic indicators without knowing the exact FRED series ID in advance.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-30T06:31:37.280Z","isFirstParty":false,"canonicalSlug":"fathom-macroeconomic-data-api-series-search-3fcca754"}