Federal Register

API

REST API for accessing the Daily Journal of the U.S. Government

Overview

The Federal Register REST API provides programmatic access to the official daily journal of U.S. government actions. Key endpoints include entries (daily publications), documents (notices, rules, proposed regulations), agencies, and citations. Responses are in JSON format. Use cases: track regulatory updates for compliance tools, integrate official notices into research platforms, build dashboards to monitor federal policy changes, or archive historical government actions. It supports filtering by date, agency, document type, and keywords to retrieve targeted information efficiently.

Example Integration (JavaScript)

script.js JS


fetch('https://www.federalregister.gov/reader-aids/developer-resources/rest-api')
  .then(res => res.json())
  .then(data => console.log(data))
  .catch(err => console.error(err));

Key Features

RESTful
JSON Support
Filterable Queries
Historical Data Access
Agency-Specific Filtering

Frequently Asked Questions

? Is Federal Register API free to use?

Yes, the Federal Register API is completely free for public use with no subscription or licensing fees.

? Does it require an API Key?

No, the API does not require authentication or an API key—you can make requests directly without any setup.

? What is the response format?

All responses from the Federal Register API are in JSON format, ensuring compatibility with most programming languages and integration tools.

Top Alternatives

USA.gov API Search Google

Data.gov API Compare

Regulatory Information Service Center (RISC) API Search Google

Tool Info

Pricing Free

Category Government

Platform Public API

Pros

⊕ Free public access
⊕ Comprehensive daily government data
⊕ Well-documented endpoints
⊕ Supports historical searches up to 1994

Cons

⊖ Rate-limited for high-volume requests
⊖ No real-time streaming
⊖ Complex filtering for niche use cases