Industry Roster API: Every SEC registrant in one SIC industry with total assets and revenue — SEC XBRL

Every SEC registrant in one SIC industry with total assets and revenue joined from corpus-wide XBRL frames, sorted largest first — the industry map in one call, by SIC code or resolved from any ticker.

$0.02 per call — pay with prepaid card credits (Authorization: Bearer ck_live_…, packs from $1) or with USDC over x402: call it, get 402 with the price, retry signed. Failed calls are never charged.

How do you call it?

GET /v1/peers/industry — product id peers_industry. Over MCP, call answerpool_get with product_id=peers_industry.

curl "https://answerpool.io/v1/peers/industry?sic=3571"

# with a prepaid credit key
curl -H "Authorization: Bearer ck_live_..." "https://answerpool.io/v1/peers/industry?sic=3571"

Live call: https://answerpool.io/v1/peers/industry?sic=3571 · JSON sample: /v1/samples/peers_industry

What does the answer look like?

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

companies

{
 "as_of": "2026-09-02T21:00:00Z",
 "sic": 3571,
 "frame_year": 2025,
 "count": 1,
 "companies": [
  {
   "cik": "0000320193",
   "ticker": "AAPL",
   "name": "Apple Inc.",
   "assets_usd": 365000000000.0,
   "revenue_usd": 400000000000.0
  }
 ],
 "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 1 day · every response carries a result_id you can resolve at /v1/provenance.

When should you use it?

You want the industry's public players and their scale, fast.

What you skip building

• SIC directory scraping
• frames joins
• size aggregation

When should you not use it?

Ranked similarity to one company — use the peers endpoint.

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