Federal Register API
Primary source for federal document identifiers, agencies, document types, publication dates, selected key dates, and official HTML and PDF links.
Regulations.gov API
Primary source for docket, document, and public-comment metadata. API keys and rate limits are respected; comment volume is not treated as an outcome indicator.
Selected enrichment
- Agency press releases, guidance libraries, enforcement pages, and feeds through explicit adapters
- EPA ECHO with source-dependent completeness and refresh caveats preserved
- OSHA enforcement and data resources for workplace-safety context
Not blended
Legislative bills and court decisions are not silently blended with administrative regulatory changes. If added later, they receive distinct types and status language.