# Services from frederalfathom.vercel.app on Zero

> frederalfathom.vercel.app serves 7 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/frederalfathom.vercel.app
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/frederalfathom.vercel.app/health.json

## Services

- [Fathom Macroeconomic Data API](https://www.zero.xyz/c/fathom-macroeconomic-data-api-abdc5c79/llms.txt): $0.35/call via x402. Fetches the latest value of any FRED economic time series by series ID, covering 816,000+ macroeconomic indicators
- [Fathom Macroeconomic Data API — Release Series](https://www.zero.xyz/c/fathom-macroeconomic-data-api-release-series-bbb3051e/llms.txt): $0.4/call via x402. Retrieves the list of economic time series belonging to a specific FRED data release (e.g. all series in the GDP release)
- [Fathom Macroeconomic Data API — FRED Series Comparison](https://www.zero.xyz/c/fathom-macroeconomic-data-api-fred-series-comparison-5e2934cd/llms.txt): $0.35/call via x402. Compares 2–5 FRED economic time series side-by-side, returning aligned observations for indicators like GDP, inflation, unemployment, and interest rates.
- [Fathom Macroeconomic Data API — Economic Calendar](https://www.zero.xyz/c/fathom-macroeconomic-data-api-economic-calendar-088cc043/llms.txt): $0.25/call via x402. Retrieves a list of upcoming macroeconomic calendar events (e.g. GDP releases, Fed meetings, jobs reports) powered by the FRED database.
- [Fathom Macroeconomic Data API — Category Tags](https://www.zero.xyz/c/fathom-macroeconomic-data-api-category-tags-ed7f5be2/llms.txt): $0.35/call via x402. Retrieves the tags associated with a specific FRED economic data category by category ID
- [Fathom Macroeconomic Data API — Tags Endpoint](https://www.zero.xyz/c/fathom-macroeconomic-data-api-tags-endpoint-bb8cde99/llms.txt): $0.35/call via x402. Retrieves and searches the list of available economic data tags (categories/labels) from the FRED-powered macroeconomic database
- [Fathom Macroeconomic Data API — Sources](https://www.zero.xyz/c/fathom-macroeconomic-data-api-sources-9bf1bbf4/llms.txt): $0.35/call via x402. Lists available macroeconomic data sources from the FRED-powered Fathom API, covering 816,000+ economic time series.

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)