{"uid":"cap_VeHRdpVoCvc20YYBVqJYw","slug":"fathom-macroeconomic-data-api-sources-9bf1bbf4","name":"Fathom Macroeconomic Data API — Sources","description":"Free macroeconomic data API powered by FRED. 816,000+ economic time series. GDP, inflation, unemployment, interest rates, and more.","url":"https://frederalfathom.vercel.app/api/sources?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":null,"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.35","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":"$0.35/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.35","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.35","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_VJURTfC73gz_3d29XlTFM","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.35","costPer":"request","priority":0,"asset":null,"unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Lists available macroeconomic data sources from the FRED-powered Fathom API, covering 816,000+ economic time series.","exampleAgentPrompt":"Show me all the data sources available through the Fathom macroeconomic API so I can find which one covers US unemployment and inflation series from FRED.","exampleUseCases":[{"title":"Discovering GDP data sources","prompt":"What data sources does the Fathom macro API have that I can use to pull GDP figures? List them all so I can pick the right one."},{"title":"Finding interest rate series origins","prompt":"I want to query interest rate time series — can you show me all the available sources in the Fathom FRED-powered API so I know where the data comes from?"},{"title":"Exploring available economic databases","prompt":"Before I start building my economic dashboard, list all the sources available in the Fathom macroeconomic API so I know what datasets I'm working with."}],"resultDescription":"Returns a list of available macroeconomic data sources powering the Fathom API, including source names, identifiers, and metadata drawn from the FRED database — helping users discover which sources they can query for specific economic time series like GDP, inflation, unemployment, or interest rates.","failureModes":["Invalid or malformed POST body returns a 400 error","Authentication or payment failure (x402) returns a 402 Payment Required","Endpoint temporarily unavailable on Vercel serverless infrastructure returns 500 or 503","Empty result set if no sources match provided filter criteria"],"whenToPreferThis":"Use this endpoint as a discovery step before querying specific economic time series — ideal when you need to know which FRED source databases are available, or when building a UI that lets users browse macroeconomic data categories. Prefer this over direct series queries when you don't yet know the source identifier you need.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-30T00:31:11.215Z","isFirstParty":false,"canonicalSlug":"fathom-macroeconomic-data-api-sources-9bf1bbf4"}