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FRED API

Economic Data Free key (no card)

AuthenticationFree key (no card)
Rate limitFree with registration; no simple fixed limit published. Cache results and avoid bursts

Documentation: fred.stlouisfed.org ยท Checked Sep 13, 2026

About

FRED, run by the Federal Reserve Bank of St. Louis, is the official home of U.S. economic time series like inflation, unemployment, interest rates, and GDP. You can use it to chart unemployment over decades, to pull the latest inflation numbers into a report, or to compare mortgage rates across years. A free registered key unlocks the full API with no published hard cap, which makes it a staple for research and content.

Details

Free to start. You may need a free key, but no credit card.

Auth: Free key (no card)

Rate limit: Free with registration; no simple fixed limit published. Cache results and avoid bursts

Verified: 2026-09-13

Best for: personal business developer

Read the docs Back to catalog

Setup

  1. Go to the FRED API key page and register for a free account.
  2. Request an API key and copy it from your account page.
  3. Browse series on fred.stlouisfed.org to find IDs like UNRATE or CPIAUCSL.
  4. Try the example unemployment URL in your browser with your key.
  5. Read the series-observations docs to add date ranges and units to your calls.
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