# Fathom Macroeconomic Data API — Snapshot

> Fathom Macroeconomic Data API — Snapshot is a paid API for AI agents from fathoms.vercel.app, paid per call via x402, $0.2/call, status unknown (last checked 2026-09-15).

Retrieves a snapshot of macroeconomic time series data (GDP, inflation, unemployment, interest rates, etc.) powered by the FRED database of 816,000+ economic indicators.

## Facts

- Endpoint: POST https://fathoms.vercel.app/api/snapshot
- Price: $0.2/call
- Payment: x402
- Status: unknown
- Last checked: 2026-09-15
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/fathom-macroeconomic-data-api-snapshot-9a0acfc4
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_URuMdrltA2XuTIZlgu77-

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

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability fathom-macroeconomic-data-api-snapshot-9a0acfc4 -d '<json body>'
```

Example prompt: Pull a snapshot of US GDP, inflation (CPI), and unemployment rate from Fathom's macroeconomic data API so I can see the latest readings on those three indicators.

## When to prefer this

Choose this endpoint when you need programmatic access to FRED macroeconomic time series data (GDP, CPI, unemployment, interest rates) without managing a FRED API key yourself, and when you want a pay-per-call model via x402 rather than a subscription. It is particularly useful for AI agents that need economic data on demand without pre-provisioning credentials, and for workflows that need broad coverage across FRED's 816,000+ series.

## Known failure modes

- Invalid or unrecognized FRED series ID returns an error or empty result
- Payment of 0.2 USDC not fulfilled causes 402 Payment Required response
- Network timeout or Vercel cold-start latency causing delayed response
- Request body missing required series or parameters returns 400 Bad Request
- FRED upstream outage causing data unavailability

## 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 snapshot payload containing one or more macroeconomic time series drawn from FRED's 816,000+ economic indicators, including data points, dates, and values for indicators such as GDP, CPI inflation, unemployment rate, and interest rates.

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/fathom-macroeconomic-data-api-snapshot-9a0acfc4/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from fathoms.vercel.app](https://www.zero.xyz/host/fathoms.vercel.app/llms.txt)