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Fathom Macroeconomic Data API — Sources
x402
Fathom Macroeconomic Data API — Sources is a paid API for AI agents from frederalfathom.vercel.app, paid per call via x402, $0.35/call, status unknown (last checked 2026-10-30).
Lists available macroeconomic data sources from the FRED-powered Fathom API, covering 816,000+ economic time series.
Price / call$0.35
Success—
StatusUnknown
How this service works
Free macroeconomic data API powered by FRED. 816,000+ economic time series. GDP, inflation, unemployment, interest rates, and more.
Output
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.
Example use cases
Discovering GDP data sources
“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.”
Finding interest rate series origins
“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?”
Exploring available economic databases
“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.”
Technical details
Endpoint
POSThttps://frederalfathom.vercel.app/api/sources?utm_source=zero.xyzWhen to prefer
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.
Side effects
- 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
Tags
x402
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