Federal Register
The Daily Journal of the United States Government
- Authentication
- No auth
- HTTPS
- Yes
- CORS
- Unknown
- Category
- Government
- Data source
- public-apis + marcelscruz
- Documentation / URL
- https://www.federalregister.gov/reader-aids/developer-resources/rest-api
Overview
The Federal Register API provides US federal regulations, documents, and agencies — keyless (verified live).
Quick Start
Documents (verified live — 28KB):
curl "https://www.federalregister.gov/api/v1/documents.json?per_page=1"{
"description": "All Documents",
"count": 10000,
"total_pages": 50,
"next_page_url": "https://www.federalregister.gov/api/v1/documents.json?page=2"
}Authentication
None — keyless.
Rate Limits & Notes
- Free; be polite — no hard published limit.
- Documents, agencies, and regulation search.
FAQ
Is Federal Register free? Yes — free US government data (verified).
What does it return? Federal documents and agencies.
Key needed? No — keyless.
More in Government
| API | Auth | HTTPS | CORS | |
|---|---|---|---|---|
| AI Law Tracker AI regulation laws by jurisdiction (US, EU, global) as read-only JSON; free tier | API Key | Yes | Unknown | ↗ |
| Api Colombia Community driven API for Colombia Public Data | No auth | unknown | Unknown | ↗ |
| Apiverket Swedish public data including companies, statistics, weather and transport | API Key | Yes | Unknown | ↗ |
| Bank Negara Malaysia Open Data Malaysia Central Bank Open Data | No auth | Yes | Unknown | ↗ |
| BCLaws Access to the laws of British Columbia | No auth | No | Unknown | ↗ |