Government and law

Federal Register API

by federalregister.gov

Government and law Added on November 7th, 2026 Checked and working on November 7th, 2026
Visit federalregister.gov →

What it does

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
  • CSV
  • HTTP-GET
  • JSON
  • REST

At a glance

API key
Not needed · More APIs with no key
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

More information: https://www.federalregister.gov/developers/documentation/api/v1

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Listed on Free Web Services

federalregister.gov
Federal Register API

Example request

curl

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

JavaScript

const response = await fetch("https://www.federalregister.gov/api/v1/documents.json?per_page=1&conditions[term]=water");
const data = await response.json();
console.log(data);

Python

import requests

response = requests.get(
    "https://www.federalregister.gov/api/v1/documents.json?per_page=1&conditions[term]=water",
    timeout=30,
)
print(response.json())

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

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