Federal Register API: Rules & Notices Search

What it does. Search Federal Register documents (rules, proposed rules, notices, presidential documents) by term, agency, type and date via the public API. Not legal advice. Returns one row per document.

Input (from .actor/input_schema.json)

• term: full-text search
• agencies: agency names or slugs (e.g. environmental-protection-agency)
• documentTypes: RULE, PRORULE, NOTICE, PRESDOCU
• publicationDateFrom / publicationDateTo: YYYY-MM-DD
• order: newest, oldest, relevance
• maxItems: up to 10,000

Output fields documentNumber, title, documentType, subtype, action, abstract, excerpts (HTML stripped), agencies, agencySlugs, publicationDate, effectiveOn, commentsCloseOn, dates, citation, startPage, endPage, docketIds, regulationIdNumbers, cfrReferences (title, part), significant, topics, htmlUrl, pdfUrl, publicInspectionPdfUrl, jsonUrl Free status rows (not charged): no-results, invalid-input, api-error, free-plan-limit, charge-limit-reached.

Example (the build's prefill) Input: {"term":"artificial intelligence","order":"newest","maxItems":20}

Data source and compliance

• Source: the Federal Register API v1 (federalregister.gov), published by the Office of the Federal Register (National Archives and Records Administration) and the U.S. Government Publishing Office. Public, no key. This is an independent Lepi Data tool, not affiliated with or endorsed by the Office of the Federal Register, NARA or GPO. No agency logos are used.
• FederalRegister.gov is not the official legal edition of the Federal Register; the official edition is the PDF on govinfo.gov (pdfUrl). Not legal advice. Check the official edition before relying on a document.
• Returns structured fields from the JSON API only; document pages are not scraped.
• Paced at about one request per second, with back-off on errors.
• Free-plan accounts get up to 100 results per run.

Pricing. Pay per result, flat on every plan, no start fee. Free status rows are never charged.