AnswerPool

Register Document API: Fetch one Federal Register document by document number

Fetch one Federal Register document by document number — normalized agencies, CFR references, docket ids, effective and comment dates with day-counts and deadline flags. Free. Same schema as all AnswerPool regulation feeds.

Free — no key, no signup, rate-limited to 60 calls per minute per client.

How do you call it?

GET /v1/regs/document — product id reg_document. Over MCP, call answerpool_get with product_id=reg_document.

curl "https://answerpool.io/v1/regs/document?document_number=2026-12341"

Live call: https://answerpool.io/v1/regs/document?document_number=2026-12341 · JSON sample: /v1/samples/reg_document

What does the answer look like?

A representative response, the same static sample served at /v1/samples/reg_document.

as_of2026-09-02T14:00:00Z
document.document_number2026-12341
document.titleCybersecurity Risk Management Rule
document.typeRule
document.actionFinal rule.
document.agenciesSecurities and Exchange Commission
document.publication_date2026-08-30
document.effective_on2026-09-12
document.comments_close_on—
document.significanttrue
document.abstractRequires registrants to disclose material cybersecurity incidents.
document.docket_idsSEC-2026-001
document.regulation_id_numbers3235-AN00
document.cfr_references17 CFR 240
document.topicsSecurities
document.urlhttps://www.federalregister.gov/d/2026-12341
document.flagssignificant, effective_soon, final_rule_pending_effect
document.days_to_comment_close—
document.days_to_effective10
refresh_after2026-09-18T00:00:00.000Z
The same sample as raw JSON
{
 "as_of": "2026-09-02T14:00:00Z",
 "document": {
  "document_number": "2026-12341",
  "title": "Cybersecurity Risk Management Rule",
  "type": "Rule",
  "action": "Final rule.",
  "agencies": [
   "Securities and Exchange Commission"
  ],
  "publication_date": "2026-08-30",
  "effective_on": "2026-09-12",
  "comments_close_on": null,
  "significant": true,
  "abstract": "Requires registrants to disclose material cybersecurity incidents.",
  "docket_ids": [
   "SEC-2026-001"
  ],
  "regulation_id_numbers": [
   "3235-AN00"
  ],
  "cfr_references": [
   "17 CFR 240"
  ],
  "topics": [
   "Securities"
  ],
  "url": "https://www.federalregister.gov/d/2026-12341",
  "flags": [
   "significant",
   "effective_soon",
   "final_rule_pending_effect"
  ],
  "days_to_comment_close": null,
  "days_to_effective": 10
 },
 "refresh_after": "2026-09-18T00:00:00.000Z"
}

How fresh is it, and where does the data come from?

The fastest source behind this answer can change daily, so every response carries a refresh_after timestamp — right now it would be 2026-09-18T00:00:00.000Z. Schedule the next call on that value rather than on a guess.

Method version 0.1.0 · serving cache 1 day · every response carries a result_id you can resolve at /v1/provenance.

When should you use it?

You have a document number (e.g. from a watch feed) and need full details.

What you skip building

When should you not use it?

Searching by topic or agency — use the search and feed endpoints.

Where else can you find this?