The Federal Register API provides access to data from the Federal Register, allowing users to fetch single or multiple documents, perform searches, and access metadata associated with these documents. This API returns data in both CSV and JSON formats, and no API keys are required for use.
Build a rules tracker, regulatory-alert emailer, or searchable laws archive using official Federal Register content. You can search full text, pull individual documents, and browse items on the public-inspection desk in JSON or CSV. It’s easy to prototype because no sign-up or API key is required, and CORS is enabled for browser apps. Note: paginated results are limited to the first 2,000 pages, so use date ranges for large exports.
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