Federal Register API

Federal Register API is published by Office of the Federal Register (National Archives) and U.S. Government Publishing Office. DatenUS uses it for: Final rules, proposed rules with comment deadlines and presidential documents. We load it on a schedule from the official source and show the date of the latest update on every page that uses it.

Official source: federalregister.gov

• Government Hub
• Federal Rules
• Rules: Agencies
• Rules: Comments Open
• Rules: Executive Orders

Frequently asked questions

Is Federal Register API data free to use?

Yes. Federal Register API is a work of the U.S. government and is in the public domain. You can use it without a license; citing Office of the Federal Register (National Archives) and U.S. Government Publishing Office is good practice.

Who publishes Federal Register API?

Office of the Federal Register (National Archives) and U.S. Government Publishing Office publishes it. The official page is https://www.federalregister.gov/developers/documentation/api/v1.

How current is Federal Register API on DatenUS?

The latest data we loaded is as of 10/29/2026. We check the source on a schedule and update the pages that use it.

How should I cite this data?

Cite the original publisher: Federal Register API, Office of the Federal Register (National Archives) and U.S. Government Publishing Office, https://www.federalregister.gov/developers/documentation/api/v1. If you used a DatenUS page, you can add its URL as the place you viewed it.