Federal Register Search
Search the official US Federal Register: final rules, proposed rules, notices and presidential documents with abstract, agencies, publication date and links. Filter by keyword, type, agency and date.
Example request
curl -X POST https://radarbg.com/v1/federal-register \
-H "X-API-Key: YOUR_KEY" -H "Content-Type: application/json" \
-d '{"query": "artificial intelligence", "type": "RULE", "order": "newest", "maxItems": 10}'
Answer: {"ok": true, "count": N, "items": [...], "usage": {...}}. Failed calls are not counted.
Inputs
| Field | Type | Description |
|---|---|---|
query | string | Keywords, e.g. artificial intelligence |
type | string | RULE, PRORULE, NOTICE or PRESDOCU |
agency | string | Agency slug, e.g. environmental-protection-agency |
since | string | Published on or after (YYYY-MM-DD) |
order | string | newest or relevance |
maxItems | integer | Max results (1-50) |
Price
Included in every plan: 100 calls a month free, then from €9 a month for 3,000 calls across all APIs.