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Fathom Macroeconomic Data API — Search Tags
x402
Fathom Macroeconomic Data API — Search 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).
Search and discover tags/categories within FRED's 816,000+ macroeconomic economic time series 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
Returns an array of tag objects matching the search keyword, along with the original query string and the data source identifier. Tags help navigate and filter the 816,000+ FRED economic time series.
Example use cases
Example prompt
“Search the Fathom FRED macroeconomic database for tags related to 'inflation' and return up to 10 results so I can find the right economic series to explore.”
Technical details
Endpoint
POSThttps://fredthom.vercel.app/api/search-tagsWhen to prefer
Use this endpoint when you need to discover or browse the taxonomy of tags available in FRED's macroeconomic database before fetching actual time series data. This is the right choice when you know a keyword (e.g. 'GDP', 'unemployment') but need to find the correct tag identifiers to use in subsequent data queries.
Side effects
- Missing required 'query' field returns validation error
- No matching tags found returns empty tags array
- Invalid limit format may fall back to default of 20
- Service unavailable returns error from Vercel hosting
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| limit | string | Max results (default: 20) |
| queryrequired | string | Search keyword |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| tags | array | |
| query | string | |
| sourcerequired | string |
Tags
x402
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