# Official sources on Apizie

> Apizie serves data from each publisher's own public API, normalized into `{ project, data, source, timestamp }`. The `source` block (publisher, official URL, retrieval time, licence, attribution) is on every response.

## FRED
- Publisher: Federal Reserve Bank of St. Louis
- Covers: Economic time series: interest rates, inflation, GDP, employment and more, with vintage history
- Project: `finance:fred` (10 endpoints): https://apizie.tech/sources/fred
- Licence: Free to use under the FRED API Terms of Use; series marked as copyrighted by a third party are excluded (https://fred.stlouisfed.org/docs/api/terms_of_use.html)
- This product uses the FRED® API but is not endorsed or certified by the Federal Reserve Bank of St. Louis.
- Example: `GET https://apizie.tech/v1/finance:fred/series-observations?series=FEDFUNDS&length=12`

Apizie is independent and not affiliated with or endorsed by the SEC, the Federal Reserve, the ECB, the U.S. Treasury, GLEIF or the World Bank.