apiverve / salestax

1.2.5 2026-11-09 17:47 UTC

Requires

• php: >=7.4
• guzzlehttp/guzzle: ^7.0

Requires (Dev)

• phpunit/phpunit: ^9.0

MIT

• APIVerve

• api
• salestax
• tax rate api
• apiverve
• sales tax api
• us sales tax api
• sales tax rate api
• sales tax lookup api

Published on Packagist.org on 2026-11-09 21:37 UTC

README

Sales Tax Lookup is a US sales tax rate API: send a ZIP or ZIP+4 code or a two-letter state code and get the current combined sales tax rate, city and state back as JSON. Paid plans add the state, county, city and special district rates that make it up, and whether the state taxes at origin or destination.

The Sales Tax Lookup API provides a simple, reliable way to integrate sales tax lookup functionality into your applications. Built for developers who need production-ready sales tax lookup capabilities without the complexity of building from scratch.

View API Details →

Available on:

Quick Start

Using JavaScript

async function callSalesTaxLookupAPI() {
    try {
        const params = new URLSearchParams({
            zip: '64082'
        });

        const response = await fetch(`https://api.apiverve.com/v1/salestax?${params}`, {
            method: 'GET',
            headers: {
                'x-api-key': 'YOUR_API_KEY_HERE'
            }
        });

        const data = await response.json();
        console.log(data);
    } catch (error) {
        console.error('Error:', error);
    }
}

callSalesTaxLookupAPI();

Using cURL

curl -X GET "https://api.apiverve.com/v1/salestax?zip=64082" \
  -H "x-api-key: YOUR_API_KEY_HERE"

Get your API key: https://apiverve.com

📁 For more examples, see the examples folder

Installation

Choose your preferred programming language:

📦 NPM (JavaScript/Node.js)

npm install @apiverve/salestax

View NPM Package → | Package Code →

🔷 NuGet (.NET/C#)

dotnet add package APIVerve.API.SalesTaxLookup

View NuGet Package → | Package Code →

🐍 Python (PyPI)

pip install apiverve-salestax

View PyPI Package → | Package Code →

💎 Ruby (RubyGems)

gem install apiverve_salestax

View RubyGems Package → | Package Code →

🐘 PHP (Packagist)

composer require apiverve/salestax

View Packagist Package → | Package Code →

🎯 Dart (pub.dev)

dart pub add apiverve_salestax

View pub.dev Package → | Package Code →

🤖 Android (JitPack)

implementation 'com.github.apiverve:salestax-api:1.0.0'

Package Code →

🐹 Go

go get github.com/apiverve/salestax-api/go

Package Code →

Why Use This API?

Feature	Benefit
Multi-language SDKs	Native packages for JavaScript, Python, C#, Go, and Android
Simple Integration	Single API key authentication, consistent response format
Production Ready	99.9% uptime SLA, served from 24 global regions
Comprehensive Docs	Full examples, OpenAPI spec, and dedicated support

Documentation

• 🏠 API Home: Sales Tax Lookup API
• 📚 API Reference: docs.apiverve.com/ref/salestax
• 📖 OpenAPI Spec: openapi.yaml
• 💡 Examples: examples/

What Can You Build?

The Sales Tax Lookup API is commonly used for:

• Web Applications - Add sales tax lookup features to your frontend or backend
• Mobile Apps - Native SDKs for Android development
• Automation - Integrate with n8n, Zapier, or custom workflows
• SaaS Products - Enhance your product with sales tax lookup capabilities
• Data Pipelines - Process and analyze data at scale

API Reference

Authentication

All requests require an API key in the header:

x-api-key: YOUR_API_KEY_HERE

Get your API key: https://apiverve.com

Response Format

Every APIVerve endpoint returns the same envelope — check status, then read data:

{
  "status": "ok",
  "error": null,
  "data": { ... }
}

Example Response

A real response from the Sales Tax Lookup API:

{
  "status": "ok",
  "error": null,
  "data": {
    "state": "CA",
    "zip": 90210,
    "region": "WEST HOLLYWOOD TOURISM IMPROVEMENT DISTRICT",
    "rate": 0.1025,
    "county": 0.0025,
    "city": 0.0075,
    "special": 0.0325,
    "stateRate": 0.06,
    "cityName": "Beverly Hills",
    "stateName": "California",
    "sourcing": "mixed"
  }
}

Support & Community

• 🏠 API Home: Sales Tax Lookup API
• 💬 Support: https://apiverve.com/contact
• 🐛 Issues: GitHub Issues
• 📖 Documentation: https://docs.apiverve.com
• 🌐 Website: https://apiverve.com

Contributing

We welcome contributions! Please see CONTRIBUTING.md for guidelines.

Security

For security concerns, please review our Security Policy.

License

This project is licensed under the MIT License - see the LICENSE file for details.

Acknowledgments

Built with ❤️ by APIVerve

Copyright © 2026 APIVerve. All rights reserved.