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Fathom Macroeconomic Data API — Series Tags
x402
Fathom Macroeconomic Data API — Series Tags is a paid API for AI agents from fredthom.vercel.app, paid per call via x402, $0.35/call, status unknown (last checked 2026-09-15).
Retrieves the metadata tags associated with a specific FRED economic data series by series ID
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 an array of tag objects associated with the specified FRED series, along with the series ID and data source identifier. Tags typically include category labels, geographic scope, frequency, seasonal adjustment status, and topic classifications used to describe and group the economic time series.
Example use cases
Example prompt
“What are the tags associated with the FRED series UNRATE — I want to know how it's classified and what topics it covers.”
Technical details
Endpoint
POSThttps://fredthom.vercel.app/api/series-tagsWhen to prefer
Use this endpoint when you need to discover the metadata classification tags for a specific FRED economic time series — useful for understanding what category, frequency, geography, or theme a series belongs to. Prefer this over a general series search when you already know the series ID and want enrichment metadata rather than the actual data values.
Side effects
- Invalid or unknown FRED series ID returns empty tags array or error
- Series ID missing from request body returns validation error
- FRED upstream service unavailable causes proxy failure
- Malformed series ID string may return no results without explicit error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| seriesIdrequired | string | FRED series ID |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| tags | array | |
| sourcerequired | string | |
| series_id | string |
Tags
x402
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