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Fathom Macroeconomic Data API — Popular Series
x402
Fathom Macroeconomic Data API — Popular Series is a paid API for AI agents from fredthom.vercel.app, paid per call via x402, $0.35/call, status unknown (last checked 2026-09-13).
Returns a curated list of popular macroeconomic time series (GDP, inflation, unemployment, interest rates, etc.) sourced from the FRED database
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
A list of popular FRED economic time series including series IDs, names, descriptions, units, frequency (e.g. monthly, quarterly), and possibly observation counts or popularity scores — covering indicators like GDP growth, CPI inflation, unemployment rate, and federal funds rate
Example use cases
Example prompt
“Can you pull up the most popular macroeconomic data series available — things like GDP, inflation, unemployment, and interest rates — so I can see what economic indicators are most widely tracked?”
Technical details
Endpoint
POSThttps://fredthom.vercel.app/api/popularWhen to prefer
Use this endpoint when you need a curated starting point of widely-used macroeconomic indicators rather than searching across 816,000+ series. Ideal for bootstrapping an economic dashboard, discovering which FRED series to track, or presenting users with a meaningful default set of economic KPIs. Prefer this over a search endpoint when you do not have a specific series ID in mind.
Side effects
- 402 Payment Required if USDC payment not attached
- POST body malformed or missing required fields returns 400
- FRED upstream unavailable causes 502 or timeout
- Rate limit exceeded returns 429
- Empty result set if no popular series match applied filters
Tags
x402
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