# Federal Register API

Category: [Government and law](https://free-web-services.com/web-services/open-data/government/)  
Page: https://free-web-services.com/web-services/open-data/government/federal-register-api.html  
Documentation: https://www.federalregister.gov/developers/documentation/api/v1

The Federal Register API searches the daily journal of the US government: proposed and final rules, notices and presidential documents since 1994, with their agencies, dates and full text, for example to follow new rules about a topic. Responses are JSON or CSV. Free, no key needed.

- API key: Not needed
- Pricing: Free, no key needed.
- From the browser: Yes (CORS)
- Formats: JSON, CSV
- Interface: REST, HTTP-GET
- Provider: federalregister.gov
- Last checked: Working on November 7th, 2026

Example request:

```sh
curl 'https://www.federalregister.gov/api/v1/documents.json?per_page=1&conditions[term]=water'
```

The JavaScript works in a web page as well as in Node.js 18 or newer.