{"slug":"2s-io-api-business-naics-1ebcc0","title":"Look up or search NAICS 2022 industry classification codes (US Census Bureau, pu","host":"2s.io","method":"GET","resource":"https://2s.io/api/business/naics","category":"code","description":"Look up or search NAICS 2022 industry classification codes (US Census Bureau, public domain). Pass `code` for an exact NAICS code — 2–6 digits or a combined sector like 31-33 — and get its official title, hierarchy path, full official description, activity index terms, and direct child codes. Or pas","price_listed":0.0025,"price_asked":0.0025,"state":"answering","state_label":"Answering","checks_7d":1,"answered_7d":1,"latency_ms_median":236,"reported_calls_30d":1,"reported_payers_30d":1,"networks":["eip155:8453","solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp"],"badge":"unverified","paid_checks_7d":0,"paid_ok_7d":0,"example_input":{"method":"GET","queryParams":{"limit":3,"query":"software publishers"},"type":"http"},"output_schema":{"$schema":"https://json-schema.org/draft/2020-12/schema","properties":{"input":{"properties":{"method":{"const":"GET"},"queryParams":{"properties":{"code":{"description":"Exact NAICS code, 2–6 digits (e.g. 513210) or sector range (e.g. 31-33).","type":"string"},"level":{"description":"Restrict search results to one level: 2=sector … 6=national industry.","type":"integer"},"limit":{"description":"1–50, default 20 (search mode).","type":"integer"},"query":{"description":"Free-text industry/activity description to search.","type":"string"}}},"type":{"const":"http"}},"required":["type","method","queryParams"],"type":"object"}},"required":["input"],"type":"object"},"history":[{"day":"2026-09-24","reachable":true,"status":402,"valid_402":true,"asked_usdc":0.0025,"price_match":true,"latency_ms":236,"error":null}],"description_full":"Look up or search NAICS 2022 industry classification codes (US Census Bureau, public domain). Pass `code` for an exact NAICS code — 2–6 digits or a combined sector like 31-33 — and get its official title, hierarchy path, full official description, activity index terms, and direct child codes. Or pass `query` for free-text search (e.g. 'software publishers', 'coffee shop') over titles plus the official ~20k-entry activity index → ranked candidate codes, optionally filtered by `level` (2=sector … 6=national industry). Ground truth for industry coding in KYC, business registration, government filings, and ERP vendor/customer setup.","last_updated":"2026-09-19T15:57:31.996Z","schemes":["exact"]}