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US Federal Register Search
x402
US Federal Register Search is a paid API for AI agents from twin.unykorn.org, paid per call via x402, $0.003/call, status unknown (last checked 2026-09-30).
Search the US Federal Register for rules, proposed rules, notices, and presidential documents (executive orders) by keyword, agency, and document type
Price / call$0.003
Success—
StatusUnknown
How this service works
US Federal Register search: rules, proposed rules, notices, executive orders — Genesis402 / UnyKorn Operator Network
Output
Returns a list of Federal Register documents matching the query, including document titles, document types (RULE, PRORULE, NOTICE, PRESDOCU), issuing agency, publication dates, and relevant metadata such as document numbers and abstracts, up to the specified limit.
Example use cases
Track new SEC financial regulations
“Search the Federal Register for the latest rules and proposed rules from the securities-and-exchange-commission related to crypto or digital assets — show me up to 15 results.”
Monitor OSHA workplace safety notices
“Find any recent OSHA notices in the Federal Register about workplace safety requirements for construction — return up to 10 results.”
Research recent executive orders
“Search the Federal Register for executive orders mentioning immigration issued in the last year — filter to presidential documents and give me up to 25 results.”
Technical details
Endpoint
POSThttps://twin.unykorn.org/records/federal-register?utm_source=zero.xyzWhen to prefer
Choose this endpoint when you need to search official US government regulatory documents — rules, proposed rules, notices, or executive orders — by keyword and optionally by agency or document type. Prefer this over general web search when you need structured, authoritative regulatory data directly from the Federal Register, especially for compliance research, regulatory monitoring, or legal research tasks.
Side effects
- No results found for obscure or misspelled query terms
- Invalid agency slug returns an error or empty results
- doc_type enum value mismatch causes rejection
- Limit exceeding maximum of 50 is rejected
- Federal Register API upstream downtime causes service unavailability
- Overly broad queries may return irrelevant documents
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| params | object |
Tags
x402
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