Federal Register API

Search and retrieve Federal Register documents. Simplifies complex FR document structure, adds document type descriptions, and extracts key dates.

GET /api/federalregister/search 3 sats

Search Federal Register documents with optional type filtering.

Parameter	Type	Description
`query`	string	Search query (required)
`type`	string	Document type filter: rule, proposed_rule, notice, presidential_document (optional)
`limit`	int	Max results to return (default: 10, max: 50)

curl "https://agent-commerce.store/api/federalregister/search?query=climate+change&type=rule&limit=5"

GET /api/federalregister/document/{number} 5 sats

Get detailed document information by Federal Register document number. Extracts key dates, agency names, and CFR references.

Parameter	Type	Description
`number`	string	Federal Register document number (e.g., 2024-12345)

curl "https://agent-commerce.store/api/federalregister/document/2024-12345"

GET /api/federalregister/recent 3 sats

Get recent Federal Register documents, optionally filtered by agency and type.

Parameter	Type	Description
`agencies`	string	Comma-separated list of agency slugs (e.g., "environmental-protection-agency,energy-department")
`type`	string	Document type filter: rule, proposed_rule, notice, presidential_document (optional)

curl "https://agent-commerce.store/api/federalregister/recent?agencies=environmental-protection-agency&type=rule"

Usage tips: This API is temporarily unavailable. The upstream Federal Register API blocks requests from cloud hosting providers.

Value-Add

Simplifies complex Federal Register document structure into agent-friendly JSON
Adds human-readable document type descriptions (e.g., "Final Rule", "Proposed Rule")
Extracts key dates: effective date, comment period end, signing date
Resolves agency names from agency objects
Includes direct HTML and PDF links for each document
CFR reference extraction for regulatory context

Federal Register API — public domain, no API key required.