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Federal Register API boundary

Official-source access, authentication, request-shaping, paging, freshness, legal, and interpretation boundaries for Federal Register API.

version 1.0.0freshness currentobserved 2026-08-27T08:40:00Z

resource.public-data.federal-register-api
sha256:558b66ea028d63ae0a3698d93073e43eff54c81aa69bdac2bcf674d29151207f

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Evidence-backed facts

  1. FederalRegister.gov exposes public API endpoints for searching and retrieving Federal Register document metadata and XML renditions without an API key. informative
  2. Clients must distinguish document search, agencies, public-inspection material, dates, and identifiers instead of assuming one undifferentiated legal corpus. informative
  3. FederalRegister.gov is an informational prototype and links to official PDF editions on govinfo.gov for verification. informative
  4. An API or XML result does not itself provide legal notice or replace the official edition, and legal research should verify the official source. informative