What This API Does

🔧

Delaware Plumber License Verification

Verify master plumber, journeyman, and plumbing contractor licenses regulated by the Delaware Board of Plumbing Examiners. Returns license classification, active status, bond and insurance details, and any violations.

Who Uses This API in Delaware

🏗️

General Contractors

Verify plumbing sub-contractor licenses for Delaware projects. Ensure proper credentials before assigning plumbing work.

🏠

Home Service Platforms

Validate plumber credentials in real-time for Delaware service bookings. Build trust by showing verified license status to homeowners.

📊

Insurance Underwriters

Confirm plumbing contractor licensure in Delaware before issuing liability policies. Monitor license expirations across your portfolio.

Delaware Plumber Licensing Authority

Plumber Licenses

Delaware Board of Plumbing Examiners

Governs Master Plumber, Journeyman Plumber, Plumbing Contractor licensure in Delaware. Handles initial licensing, renewals, and disciplinary proceedings.

More Delaware License Types

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

API Endpoints

POST /plumber/verify

Verify a plumber license in Delaware

curl -X POST https://license-verify-api-production.up.railway.app/plumber/verify \
  -H "Content-Type: application/json" \
  -H "X-RapidAPI-Key: YOUR_API_KEY" \
  -d '{
    "name": "Robert Wilson",
    "state": "DE",
    "license_type": "Master Plumber"
  }'

POST /batch

Verify multiple plumber 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": "plumber", "name": "Robert Wilson", "state": "DE", "license_type": "Master Plumber" },
      { "type": "plumber", "name": "Alice Brown", "state": "DE", "license_type": "Journeyman Plumber" }
    ]
  }'

Example Response

{
  "status": "found",
  "state": "DE",
  "license": {
    "name": "Robert Wilson",
    "license_number": "DE-PLMB-2024-XXXXX",
    "license_type": "Master Plumber",
    "status": "Active",
    "issue_date": "2020-06-15",
    "expiration_date": "2026-12-31",
    "board": "Delaware Board of Plumbing Examiners",
    "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

Subscribe on RapidAPI →

FAQ — Delaware Plumber License Verification

Which Delaware plumber license types can I verify?

Master Plumber, Journeyman Plumber, Apprentice, and Plumbing Contractor licenses regulated by the Delaware Board of Plumbing Examiners.

Can I verify plumbing contractor bonds?

Yes — the API returns bond amount and surety details for Delaware plumbing contractors where the state requires bonding.

Can I verify licenses across multiple states?

Yes. The same API works for all 50 states. Use the batch endpoint to verify Delaware plumber 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.

Plumber License Verification API
Delaware