Federal Reserve Bank of St. Louis (USA)

FRED — Federal Reserve economic data (St. Louis)

FRED (Federal Reserve Economic Data) — a Federal Reserve Bank of St. Louis service with hundreds of thousands of US and global economic time series. REST API in JSON; requires a free key.

Official source United States free key REST/JSON
GET api.stlouisfed.org/fred/series?series_id={id}&api_key={key}&file_type=json

Verified 2026-08

See documentation →

About this API

FRED (Federal Reserve Economic Data) is a service of the Federal Reserve Bank of St. Louis that exposes hundreds of thousands of economic time series — US and global: GDP, inflation, unemployment, interest rates, monetary aggregates and much more. The REST API returns JSON and requires a free key obtained after registration.

Frequently asked questions

Do I need an API key?

Yes — it requires a free API key obtained by registering an account with the St. Louis Fed.

What data does this API return?

Hundreds of thousands of US and global economic time series — GDP, inflation (CPI), unemployment, interest rates — as JSON.

Can this API be called directly from a browser?

The call needs an API key, so it should be made server-side to avoid exposing the key in frontend code.

Who runs this API?

The Federal Reserve Bank of St. Louis (FRED — Federal Reserve Economic Data). Documentation: fred.stlouisfed.org/docs/api.