SEC SIC Code Lookup API: SEC SIC industry code resolution: code prefix or text in, code + — free lookup

SEC SIC industry code resolution: code prefix or text in, code + industry title + reviewing Corp-Fin office out, over all 444 codes. Free, no key.

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

How do you call it?

GET /v1/sec/sic — product id sec_sic_lookup. Over MCP, call answerpool_get with product_id=sec_sic_lookup.

curl "https://answerpool.io/v1/sec/sic?q=pharmaceutical"

Live call: https://answerpool.io/v1/sec/sic?q=pharmaceutical · JSON sample: /v1/samples/sec_sic_lookup

What does the answer look like?

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

codes

{
 "as_of": "2026-09-03T02:00:00Z",
 "count": 1,
 "codes": [
  {
   "code": "7372",
   "title": "SERVICES-PREPACKAGED SOFTWARE",
   "corp_fin_office": "Office of Technology"
  }
 ],
 "source": "sec.gov Division of Corporation Finance SIC code list",
 "disclaimer": "Derived from public SEC EDGAR filings; not investment advice.",
 "refresh_after": "2026-09-17T11:15:00.000Z"
}

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

The fastest source behind this answer can change every 15 minutes, so every response carries a refresh_after timestamp — right now it would be 2026-09-17T11:15:00.000Z. Schedule the next call on that value rather than on a guess.

• SEC EDGAR (US federal public domain) — upstream: https://efts.sec.gov

Method version 0.1.0 · serving cache 30 days · every response carries a result_id you can resolve at /v1/provenance.

When should you use it?

You need a SIC code for EDGAR industry filtering or to decode one from a filing header.

What you skip building

• sec.gov SIC table scraping
• code guessing

When should you not use it?

Contracting industry codes — that is NAICS (/v1/funding/naics).

Where else can you find this?

• Catalog entry (JSON, free)
• OpenAPI schema — input and output types, prices, the 402 flow
• llms.txt — every product in one plain-text document