n8n-nodes-surpluslines

This is an n8n community node for the Surplus Lines Tax API by Underwriters Technologies.

Calculate surplus lines taxes for all 50 U.S. states, the District of Columbia, Puerto Rico, and the U.S. Virgin Islands with accurate state-specific rules and rounding.

n8n is a fair-code licensed workflow automation platform.

Try It Free

Want to test surplus lines tax calculations before integrating? Try our free web-based calculator at sltax.undtec.com - no signup required!

About

The Surplus Lines Tax API is a product of Underwriters Technologies, providing insurance technology solutions for the surplus lines industry.

• API Service: surpluslinesapi.com
• Free Calculator: sltax.undtec.com
• Company: undtec.com

Installation

Follow the installation guide in the n8n community nodes documentation.

npm

npm install n8n-nodes-surpluslines

n8n Community Nodes

1. Go to Settings > Community Nodes
2. Select Install
3. Enter n8n-nodes-surpluslines and confirm

Credentials

You need a Surplus Lines API key to use this node:

1. Create an account at app.surpluslinesapi.com
2. Navigate to the API Keys section in your dashboard
3. Generate a new API key
4. In n8n, create new credentials of type "Surplus Lines API" and paste your key

New accounts include 200 free API calls to get started.

Operations

Calculate Tax

Calculate surplus lines tax for a specific state and premium amount.

Required Parameters:

• State: Select from all 50 U.S. states plus DC, Puerto Rico, and Virgin Islands
• Premium: The premium amount in USD

Optional Parameters:

• Wet Marine: For wet marine coverage (affects Alaska)
• Fire Insurance: For fire insurance (affects SD, MT)
• Electronic Filing: For electronic filing (affects MT stamping fee)
• Fire Marshal Rate: 0-1% fire marshal tax (Illinois only)
• Medical Malpractice: For medical malpractice coverage (exempt in PR)
• Workers Comp: For workers comp coverage (exempt in VA)
• Year: Tax year (affects Iowa rates 2024-2027)
• New Business: New/renewal policy flag (affects Oregon $10 fee)

Example Response

{
  "success": true,
  "state": "Texas",
  "premium": 10000,
  "taxes": {
    "sl_tax": 485.00,
    "tax_rate": 0.0485,
    "stamping_fee": 18.00,
    "stamping_fee_rate": 0.0018
  },
  "total_tax": 503.00,
  "total_due": 10503.00
}

Why Use Surplus Lines API?

• Accurate: State-specific rounding rules and current tax rates
• Complete: Covers all 50 states, DC, Puerto Rico, and Virgin Islands
• Fast: Real-time calculations with low latency
• Reliable: Built for production insurance workflows
• Affordable: Pay-as-you-go pricing with 200 free calls to start

Resources

• Surplus Lines API Documentation
• Free Web Calculator
• Underwriters Technologies
• n8n Community Nodes Documentation

Support

For API support, contact [email protected]

License

MIT

Surplus Lines Tax API is a product of Underwriters Technologies - Insurance Technology Solutions