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Fathom Macroeconomic Data API — Sources
x402
Fathom Macroeconomic Data API — Sources is a paid API for AI agents from fathom-opal.vercel.app, paid per call via x402, $0.04/call, status unknown (last checked 2026-09-14).
Lists available macroeconomic data sources from the FRED-powered Fathom API, enabling discovery of 816,000+ economic time series.
Price / call$0.04
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 accessible through the Fathom API, including source identifiers, names, and metadata about what FRED-based economic time series can be queried, covering categories like GDP, inflation, unemployment, and interest rates.
Example use cases
Discover available GDP series
“Before I pull GDP data, can you show me what sources and series identifiers are available in the Fathom macro API so I know what to query next?”
Explore inflation data feeds
“I want to build a dashboard tracking inflation — can you list all the available data sources in Fathom so I can find the right CPI or PCE series to use?”
Audit accessible economic datasets
“Can you fetch the full list of data sources from the Fathom macroeconomic API so I can see what FRED time series are accessible before designing my economic analysis workflow?”
Technical details
Endpoint
POSThttps://fathom-opal.vercel.app/api/sourcesWhen to prefer
Choose this endpoint when you need to discover which macroeconomic data sources and FRED time series are available before making targeted data queries. It is the right starting point for any workflow that needs to enumerate available economic indicators — especially useful for building dashboards, research tools, or agent workflows that need to dynamically select series. Prefer this over direct series queries when you don't yet know the exact source identifiers you need.
Side effects
- Payment failure if USDC balance is insufficient (x402 payment required at $0.04 per call)
- Empty or malformed POST body may return a 400 error
- Network timeout if the Vercel deployment is cold-starting
- Rate limiting or throttling under high request volume
- FRED upstream outage causing data unavailability
Tags
x402
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