What This API Does

🔨

Wisconsin General Contractor License Verification

Verify general contractor, residential, and commercial building licenses managed by the Wisconsin Department of Safety and Professional Services — Contractor Certification. Returns license classification, bond amount, insurance details, workers comp status, and complaint history.

Who Uses This API in Wisconsin

🏗️

Property Management Companies

Verify contractor licenses before approving renovation and maintenance work on Wisconsin properties. Confirm bonding and insurance are current.

📋

General Contractors & GCs

Validate subcontractor licenses for Wisconsin projects. Automate compliance checks required by project owners and lenders.

🛡️

Insurance & Surety Companies

Confirm contractor licensure status in Wisconsin before issuing bonds or policies. Monitor license expirations across your book.

Wisconsin General Contractor Licensing Authority

General Contractor Licenses

Wisconsin Department of Safety and Professional Services — Contractor Certification

Governs General Building, Residential, Commercial licensure in Wisconsin. Handles initial licensing, renewals, and disciplinary proceedings.

More Wisconsin License Types

🏥 Nurse & Contractor → 🏠 Real Estate Agent → 🛡️ Insurance Agent → ⚡ Electrician → 🔧 Plumber → ❄️ HVAC Technician →

API Endpoints

POST /contractor/verify

Verify a general contractor license in Wisconsin

curl -X POST https://license-verify-api-production.up.railway.app/contractor/verify \
  -H "Content-Type: application/json" \
  -H "X-RapidAPI-Key: YOUR_API_KEY" \
  -d '{
    "name": "John Smith",
    "state": "WI",
    "license_type": "General Building"
  }'

POST /batch

Verify multiple general contractor licenses at once

curl -X POST https://license-verify-api-production.up.railway.app/batch \
  -H "Content-Type: application/json" \
  -H "X-RapidAPI-Key: YOUR_API_KEY" \
  -d '{
    "requests": [
      { "type": "general-contractor", "name": "John Smith", "state": "WI", "license_type": "General Building" },
      { "type": "general-contractor", "name": "Alice Brown", "state": "WI", "license_type": "Residential" }
    ]
  }'

Example Response

{
  "status": "found",
  "state": "WI",
  "license": {
    "name": "John Smith",
    "license_number": "WI-GC-2024-XXXXX",
    "license_type": "General Building",
    "status": "Active",
    "issue_date": "2020-06-15",
    "expiration_date": "2026-12-31",
    "board": "Wisconsin Department of Safety and Professional Services — Contractor Certification",
    "disciplinary_actions": []
  }
}

Pricing

Free

$0

50 requests/day

Pro

$9.99

1,000 requests/mo

Ultra

$29.99

5,000 requests/mo

Mega

$99.99

25,000 requests/mo

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FAQ — Wisconsin General Contractor License Verification

Which Wisconsin contractor license types can I verify?

General Building, Residential, Commercial, and specialty trade classifications regulated by the Wisconsin Department of Safety and Professional Services — Contractor Certification.

Does the API return bonding and insurance info?

Yes — bond amount, surety company, general liability insurance, and workers comp coverage for Wisconsin contractors where available.

Can I verify licenses across multiple states?

Yes. The same API works for all 50 states. Use the batch endpoint to verify Wisconsin general contractor licenses alongside any other state in a single request.

Is there a free tier?

Yes — 50 free requests per day. No credit card required. Sign up on RapidAPI to get your key instantly.

General Contractor License Verification API
Wisconsin