What This API Does

❄️

Washington HVAC Technician License Verification

Verify HVAC contractor, journeyman, and refrigeration technician licenses regulated by the Washington Department of Labor and Industries — HVAC. Returns license classification, EPA 608 certification type, active status, and any violations.

Who Uses This API in Washington

🏢

Facility Management Companies

Verify HVAC contractor credentials before authorizing heating and cooling work on Washington commercial properties.

🏠

Home Service Marketplaces

Validate HVAC technician licenses for Washington service requests. Build homeowner trust with verified credentials.

🏭

HVAC Distributors & Manufacturers

Confirm installer licenses in Washington before authorizing equipment warranties. Protect brand reputation with verified partners.

Washington HVAC Technician Licensing Authority

HVAC Technician Licenses

Washington Department of Labor and Industries — HVAC

Governs HVAC Contractor, HVAC Journeyman, Refrigeration Technician licensure in Washington. Handles initial licensing, renewals, and disciplinary proceedings.

More Washington License Types

🏥 Nurse & Contractor → 🏠 Real Estate Agent → 🛡️ Insurance Agent → 🔨 General Contractor → ⚡ Electrician → 🔧 Plumber →

API Endpoints

POST /hvac/verify

Verify a hvac technician license in Washington

curl -X POST https://license-verify-api-production.up.railway.app/hvac/verify \
  -H "Content-Type: application/json" \
  -H "X-RapidAPI-Key: YOUR_API_KEY" \
  -d '{
    "name": "James Anderson",
    "state": "WA",
    "license_type": "HVAC Contractor"
  }'

POST /batch

Verify multiple hvac technician 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": "hvac", "name": "James Anderson", "state": "WA", "license_type": "HVAC Contractor" },
      { "type": "hvac", "name": "Alice Brown", "state": "WA", "license_type": "HVAC Journeyman" }
    ]
  }'

Example Response

{
  "status": "found",
  "state": "WA",
  "license": {
    "name": "James Anderson",
    "license_number": "WA-HVAC-2024-XXXXX",
    "license_type": "HVAC Contractor",
    "status": "Active",
    "issue_date": "2020-06-15",
    "expiration_date": "2026-12-31",
    "board": "Washington Department of Labor and Industries — HVAC",
    "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 — Washington HVAC Technician License Verification

Which Washington HVAC license types can I verify?

HVAC Contractor, HVAC Journeyman, Refrigeration Technician, and specialty licenses regulated by the Washington Department of Labor and Industries — HVAC.

Does the API return EPA 608 certification status?

Yes — the API returns EPA 608 certification type (I, II, III, Universal) for Washington HVAC technicians where tracked by the state board.

Can I verify licenses across multiple states?

Yes. The same API works for all 50 states. Use the batch endpoint to verify Washington hvac technician 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.

HVAC Technician License Verification API
Washington