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Fathom Macroeconomic Data Search API
x402
Fathom Macroeconomic Data Search API is a paid API for AI agents from fathom-opal.vercel.app, paid per call via x402, $0.06/call, status unknown (last checked 2026-09-14).
Search 816,000+ FRED-powered economic time series by keyword to discover macroeconomic data on GDP, inflation, unemployment, interest rates, and more
Price / call$0.06
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 JSON object with the original query string, a count of matched series, the data source attribution ('FRED'), and an array of matching economic time series objects — each containing series metadata such as identifier, title, frequency, units, and description.
Example use cases
Researching inflation indicators
“Search for economic time series about consumer price inflation — I want to find the best FRED series to track inflation trends in the US, give me the top 10 results.”
Finding unemployment data series
“Can you look up macroeconomic series related to 'unemployment rate' in the Fathom FRED database? I need to pick the right series for my economic model.”
Discovering GDP growth data
“Search for GDP time series in the Fathom macroeconomic API — I'm building a dashboard and need to find which FRED series cover gross domestic product growth, show me up to 8 results.”
Technical details
Endpoint
POSThttps://fathom-opal.vercel.app/api/searchWhen to prefer
Choose this endpoint when you need to discover and identify specific economic time series from the FRED database by keyword — ideal for finding series identifiers before fetching actual data, building economic dashboards, or researching which macroeconomic indicators are available for a given topic. Prefer it over direct FRED API access when you want a simple search interface with pay-per-call pricing and no API key management.
Side effects
- Missing required 'query' field returns a validation error
- Very broad or ambiguous queries may return unrelated series
- Rate limiting or payment failure (x402) may block access
- Query returning zero results if search terms are too specific or misspelled
- Vercel cold-start may add latency on first call
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| limit | string | Max results (default: 10) |
| queryrequired | string | Search keywords (e.g. 'inflation rate', 'housing starts') |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| count | number | |
| query | string | |
| series | array | |
| sourcerequired | string |
Tags
x402
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