# Services from fathoms.vercel.app on Zero

> fathoms.vercel.app serves 23 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/fathoms.vercel.app
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/fathoms.vercel.app/health.json

## Services

- [Fathom Macroeconomic Data API — Observations](https://www.zero.xyz/c/fathom-macroeconomic-data-api-observations-69f082d1/llms.txt): $0.06/call via x402. Fetches time-series observations for any FRED economic indicator (GDP, inflation, unemployment, interest rates, etc.) with flexible date ranges, frequency, and unit transformations
- [Fathom Macroeconomic Data API — Bulk Series Lookup](https://www.zero.xyz/c/fathom-macroeconomic-data-api-bulk-series-lookup-d7913815/llms.txt): $0.15/call via x402. Fetches observations for multiple FRED economic time series in a single bulk request (GDP, inflation, unemployment, interest rates, etc.)
- [Fathom Macroeconomic Data API — Release Series Lookup](https://www.zero.xyz/c/fathom-macroeconomic-data-api-release-series-lookup-4606a40e/llms.txt): $0.06/call via x402. Returns all economic time series belonging to a specific FRED data release, given a FRED release ID
- [Fathom Macroeconomic Data API — Release Dates](https://www.zero.xyz/c/fathom-macroeconomic-data-api-release-dates-06829a7a/llms.txt): $0.06/call via x402. Returns the scheduled and historical release dates for a specific FRED economic data release, identified by release ID.
- [Fathom Macroeconomic Data API — Compare Series](https://www.zero.xyz/c/fathom-macroeconomic-data-api-compare-series-989c976c/llms.txt): $0.15/call via x402. Compares 2–5 FRED economic time series side-by-side, returning aligned observations for multi-indicator macroeconomic analysis.
- [Fathom Macroeconomic Data API — Category Tree](https://www.zero.xyz/c/fathom-macroeconomic-data-api-category-tree-b504db4e/llms.txt): $0.04/call via x402. Returns the hierarchical category tree of FRED macroeconomic data series, starting from a given parent category ID
- [Fathom Macroeconomic Data API (FRED-powered)](https://www.zero.xyz/c/fathom-macroeconomic-data-api-fred-powered-e78a6c95/llms.txt): $0.06/call via x402. Retrieves macroeconomic time series data from FRED (Federal Reserve Economic Data) by series ID, covering GDP, inflation, unemployment, interest rates, and 816,000+ other economic indicators.
- [Fathom Macroeconomic Data Search API](https://www.zero.xyz/c/fathom-macroeconomic-data-search-api-96fb6d44/llms.txt): $0.06/call via x402. Searches 816,000+ FRED-powered economic time series by keyword and returns matching macroeconomic indicators
- [Fathom — Category Series Lookup (FRED-powered Macroeconomic Data API)](https://www.zero.xyz/c/fathom-category-series-lookup-fred-powered-macroeconomic-data-api-1c5d0581/llms.txt): $0.06/call via x402. Returns the list of economic data series belonging to a given FRED category, such as GDP, inflation, or unemployment series grouped under a category ID.
- [Fathom Macroeconomic Data API — Tag Series Search](https://www.zero.xyz/c/fathom-macroeconomic-data-api-tag-series-search-95a0a419/llms.txt): $0.06/call via x402. Returns a list of FRED economic time series matching a given tag (e.g. 'gdp', 'inflation', 'monthly', 'nsa')
- [Fathom Macroeconomic Data API — Category Tags](https://www.zero.xyz/c/fathom-macroeconomic-data-api-category-tags-b6c5fd12/llms.txt): $0.04/call via x402. Returns the tags associated with a FRED economic data category, enabling discovery and filtering of time series within that category
- [Fathom Macroeconomic Data API — Vintage Dates](https://www.zero.xyz/c/fathom-macroeconomic-data-api-vintage-dates-00b82cc4/llms.txt): $0.06/call via x402. Retrieves vintage date history for a FRED economic time series, showing when data was published or revised over time
- [Fathom Macroeconomic Data API — Latest Value](https://www.zero.xyz/c/fathom-macroeconomic-data-api-latest-value-22e2c0f9/llms.txt): $0.04/call via x402. Retrieves the latest value for any FRED economic time series (GDP, inflation, unemployment, interest rates, etc.) by series ID
- [Fathom Macroeconomic Data API — Search Tags](https://www.zero.xyz/c/fathom-macroeconomic-data-api-search-tags-93ab8aac/llms.txt): $0.04/call via x402. Search and retrieve tag metadata from 816,000+ FRED-powered economic time series, enabling discovery of relevant macroeconomic data categories.
- [Fathom Macroeconomic Data API — Tags Endpoint](https://www.zero.xyz/c/fathom-macroeconomic-data-api-tags-endpoint-00732286/llms.txt): $0.04/call via x402. Retrieves and searches available tags/categories for 816,000+ FRED-powered macroeconomic economic time series
- [Fathom Macroeconomic Calendar API](https://www.zero.xyz/c/fathom-macroeconomic-calendar-api-d03fe485/llms.txt): $0.08/call via x402. Fetches upcoming macroeconomic calendar events (e.g. GDP releases, FOMC meetings, jobs reports) powered by FRED data
- [Fathom Macroeconomic Data API — Popular Series](https://www.zero.xyz/c/fathom-macroeconomic-data-api-popular-series-7fa4b854/llms.txt): $0.04/call via x402. Returns a curated list of the most popular macroeconomic time series available from the FRED-powered Fathom dataset
- [Fathom Macroeconomic Data API — Series Tags](https://www.zero.xyz/c/fathom-macroeconomic-data-api-series-tags-38bc09f8/llms.txt): $0.04/call via x402. Retrieves the metadata tags associated with a FRED economic time series by its series ID
- [Fathom Macroeconomic Data API — Snapshot](https://www.zero.xyz/c/fathom-macroeconomic-data-api-snapshot-9a0acfc4/llms.txt): $0.2/call via x402. Retrieves a snapshot of macroeconomic time series data (GDP, inflation, unemployment, interest rates, etc.) powered by the FRED database of 816,000+ economic indicators.
- [Fathom Macroeconomic Data API — Releases Endpoint](https://www.zero.xyz/c/fathom-macroeconomic-data-api-releases-endpoint-2714caac/llms.txt): $0.06/call via x402. Returns a list of FRED economic data releases, optionally filtered to dates only and limited to a specified number of results
- [Fathom Macroeconomic Data API — Related Series Lookup](https://www.zero.xyz/c/fathom-macroeconomic-data-api-related-series-lookup-301f3098/llms.txt): $0.04/call via x402. Returns related FRED economic time series and categories for a given FRED series ID
- [Fathom Macroeconomic Data API — Categories](https://www.zero.xyz/c/fathom-macroeconomic-data-api-categories-637ba2ab/llms.txt): $0.04/call via x402. Retrieves the list of economic data categories (or subcategories) from the FRED-powered Fathom API, enabling navigation of 816,000+ macroeconomic time series
- [Fathom Macroeconomic Data API — Sources Endpoint](https://www.zero.xyz/c/fathom-macroeconomic-data-api-sources-endpoint-760082ec/llms.txt): $0.04/call via x402. Lists available macroeconomic data sources powering the Fathom API, which provides access to 816,000+ FRED 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)