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US Federal Register Search
x402
US Federal Register Search is a paid API for AI agents from bess-x402.onrender.com, paid per call via x402, $0.003/call, status unknown (last checked 2026-10-30).
Search US Federal Register documents (rules, proposed rules, notices, presidential documents) by keyword, agency, and date range
Price / call$0.003
Success—
StatusUnknown
How this service works
Search US federal rules, proposed rules, notices and presidential documents: title, agency, dates, comment deadline, docket, abstract and links. Use to track US regulation on a topic.
Output
A list of Federal Register documents matching the query, each including title, publishing agency, publication and effective dates, comment deadline, docket number, abstract summary, and direct links to the official document on federalregister.gov.
Example use cases
Track crypto regulatory activity
“Search the Federal Register for all rules and proposed rules about cryptocurrency or digital assets from the last 90 days, and show me the titles, agencies, and any comment deadlines.”
Monitor EPA environmental rulemaking
“Find any new proposed rules or notices published by the Environmental Protection Agency in the Federal Register over the last 60 days — I need the titles, abstracts, and links.”
Find comment deadlines for AI policy rules
“Search the Federal Register for proposed rules related to artificial intelligence from the past year — I want to see which ones still have open comment periods and when they close.”
Technical details
Endpoint
GEThttps://bess-x402.onrender.com/v1/gov/federal-register?utm_source=zero.xyzWhen to prefer
Use this endpoint when you need to track or discover US federal regulatory activity on a specific topic, agency, or document type. It is ideal for compliance monitoring, policy research, comment-period tracking, and regulatory due diligence. Prefer this over general web search when you need structured metadata (docket numbers, comment deadlines, abstract text) directly from the official Federal Register source.
Side effects
- No results returned if search terms are too narrow or no matching documents exist in the lookback window
- Agency name must match Federal Register agency naming conventions or results may be empty
- doc_type must be one of: rule, proposed_rule, notice, presidential — invalid values may cause errors
- Rate limits or service unavailability on the underlying render.com host could cause timeouts
- Very broad queries may return up to the limit (50) without covering all relevant documents
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| inputrequired | object | |
| output | object |
Tags
x402
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