Node SDK

The Node.js SDK delivers a modern, promise-based client optimized for JavaScript and TypeScript applications. It provides ergonomic methods for tax rate lookup, jurisdiction determination, and address-level calculations, with full TypeScript type definitions for strong typing and editor autocomplete. Whether you’re building serverless API endpoints, Next.js applications, or high-volume backend services, the Node SDK makes integrating ZipTax fast and straightforward. Use the code samples here to get started.

Project Resources

GitHub: https://github.com/ZipTax/ziptax-node

NPM: https://www.npmjs.com/package/@ziptax/node-sdk

Implementation Example

1

Install

JavaScript

 npm install @ziptax/node-sdk

2

Import

JavaScript

 import {
  ZiptaxError,
  ZiptaxAPIError,
  ZiptaxAuthenticationError,
  ZiptaxValidationError,
  ZiptaxNetworkError,
  ZiptaxRateLimitError,
} from '@ziptax/node-sdk';

Configure the Client

JavaScript

 const client = new ZiptaxClient({
  apiKey: 'your-api-key-here',
  retryOptions: {
    maxAttempts: 5,
    initialDelay: 2000,
    maxDelay: 30000,
    backoffMultiplier: 2,
    shouldRetry: (error, attempt) => {
      // Custom retry logic
      return attempt < 3 && error.name === 'ZiptaxNetworkError';
    },
  },
});

4

Get Sales Tax by Address

JavaScript

 // Get sales tax rate by address
const result = await client.getSalesTaxByAddress({
  address: '200 Spectrum Center Drive, Irvine, CA 92618',
});

console.log('Total Tax Rate:', result.taxSummaries?.[0]?.rate);
console.log('Base Rates:', result.baseRates);

Full documentation available via our GitHub Project at https://github.com/ZipTax/ziptax-node

Sections

Node SDK

Project Resources

Implementation Example

1

Install

2

Import

Configure the Client

4

Get Sales Tax by Address

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