law

Search the US Federal Register - proposed rules, final...

Search the US Federal Register — proposed rules, final rules, notices, and presidential documents. Filter by free-text term, document type (RULE/PRORULE/NOTICE/PRESDOCU), agency slug (e.g., epa, fda, sec), and publication date range. Returns document_number, type, title, abstract, FR citation, agencies, publication_date, effective_on, comments_close_on, htmlUrl, pdfUrl, rawTextUrl. Public-domain US government data. Real-time — published daily, past LLM training cutoff.

get/api/law/federal-register

Request

  • Base URL: https://2s.io
  • URL: https://2s.io/api/law/federal-register
  • Auth: API key in header PAYMENT-SIGNATURE

Query parameters

qstring required

Free-text search query.

type'RULE' | 'PRORULE' | 'NOTICE' | 'PRESDOCU'

Filter results by type.

agencystring

Agency.

sincestring

Since.

untilstring

Until.

limitinteger

Maximum number of results to return.

trial1

Try before you buy. Set to 1 for one free real call per endpoint per hour — no wallet or payment needed — to verify the endpoint before paying. Equivalent to sending the "X-2s-Trial: 1" request header. Listed only on operations that offer a trial; the others always answer 402.

Response

(unresolved $ref)

Changes

No recorded changes to this operation across all 1 revision of this API.