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Fathom Macroeconomic Data API — Release Series
x402
Fathom Macroeconomic Data API — Release Series 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).
Returns all economic data series belonging to a specific FRED data release, such as GDP or CPI releases
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 containing an array of economic time series objects associated with the specified FRED release, along with the source identifier and the release ID. Each series item includes metadata describing the individual economic indicators available within that release.
Example use cases
Exploring GDP release data series
“Show me all the time series that are part of the FRED Gross Domestic Product release — I think the release ID is 53. Give me the full list, up to 100 series.”
Researching CPI inflation indicators
“I'm analyzing inflation data. Can you fetch all the series included in FRED's Consumer Price Index release, release ID 10, and list up to 30 of them?”
Building unemployment dashboard
“I need to know which specific economic series are published under FRED's Employment Situation release — release ID 50. Fetch up to 20 series so I can decide which ones to track.”
Technical details
Endpoint
POSThttps://fathom-opal.vercel.app/api/release-seriesWhen to prefer
Use this endpoint when you need to discover or enumerate all economic time series belonging to a specific FRED data release (e.g., GDP, CPI, Employment Situation). It is ideal when you know the FRED release ID and want to understand what series/indicators are published under that release before fetching individual time series data. Prefer this over a general series search when you have a specific release in mind.
Side effects
- Invalid or non-existent releaseId returns empty series array or error
- Missing required releaseId field causes request validation failure
- Limit parameter ignored or defaulted to 20 if not provided
- Rate limiting or payment failure (x402) prevents access
- FRED upstream outage may cause delayed or failed response
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| limit | string | Max results (default: 20) |
| releaseIdrequired | string | FRED release ID |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| series | array | |
| sourcerequired | string | |
| release_id | string |
Tags
x402
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