SIC Code Lookup {API}

Classify any company by domain or name into Standard Industrial Classification codes.

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What You Get

Each API call returns structured SIC classification data.

4-digit SIC code

Most specific industry level

Major group + name

2-digit parent group on every match

Confidence score

High, medium, or low per match

Two SIC datasets

1987 original (1,004 codes) or SEC EDGAR (430 codes with review office)

How It Works

We analyze website content and metadata to determine the most accurate SIC classification.

— step 01 —

Pass a domain or name

Like stripe.com or "Stripe"

— step 02 —

We analyze the brand

Site content, metadata, and industry signals

— step 03 —

SIC codes matched

Best-fit 4-digit codes with confidence

— step 04 —

JSON returned

Codes, names, major group or SEC office

API Response

Extracted SIC classification for stripe.com

GET /v1/web/sic?input=stripe.com

{
  "status": "ok",
  "domain": "stripe.com",
  "type": "sic",
  "classification": "original_sic",
  "codes": [\
    {\
      "code": "7372",\
      "name": "PREPACKAGED SOFTWARE",\
      "confidence": "high",\
      "majorGroup": "73",\
      "majorGroupName": "BUSINESS SERVICES"\
    },\
    {\
      "code": "6099",\
      "name": "FUNCTIONS RELATED TO DEPOSIT BANKING, NEC",\
      "confidence": "medium",\
      "majorGroup": "60",\
      "majorGroupName": "DEPOSITORY INSTITUTIONS"\
    }\
  ]
}

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