Automate Sales Tax
Calculations

<h1>
  Automate Sales Tax

  <br />

  Calculations
</h1>

<p>
  Access a powerful API for real-time sales tax calculation, compliance, and reporting across the United States.
</p>

<a href="guides">
  Get Started →
</a>

<a href="https://app.taxcloud.com/register">
  Create Account
</a>

<h3>
  🗺️ Nationwide Coverage
</h3>

<p>
  Accurate tax rates for over 11,000 jurisdictions across the US
</p>

<h3>
  ⚡ Real-Time Calculations
</h3>

<p>
  Instant and accurate sales tax calculations for every transaction
</p>

<h3>
  📦 Product Categories
</h3>

<p>
  Extensive product taxability mapping across jurisdictions
</p>

<h3>
  ✅ Automated Compliance
</h3>

<p>
  Simplified tax compliance and reporting tools
</p>

<h3>
  🔒 Secure & Certified
</h3>

<p>
  Certified Streamlined Sales Tax (SST) service provider
</p>

<h3>
  🛠️ Developer-First
</h3>

<p>
  Simple REST API integration with comprehensive documentation
</p>

## Getting Started

#### [API Reference](/api-reference)

#### [Developer Guides](guides)

#### [Support](https://support.taxcloud.com/article/148-taxclouds-service-level-agreement)

#### [Dashboard](https://app.taxcloud.com/)

Quick Integration Example

```javascript
const axios = require('axios');

const endpoint = 'https://api.taxcloud.com/v3/cart/create';
const authToken = 'your_api_key';

// Set the headers
const headers = {
 'Authorization': `X-API_KEY`,
 'Content-Type': 'application/json',
};

const payload = {
 connection_id: 'your_connection_id',
 customer_id: 'cus_12345',
 cart_items: [
   {
     item_id: 'sku_001',
     price: 100.0,
     quantity: 2,
     product_tax_code: '40030',
   },
   {
     item_id: 'sku_002',
     price: 50.0,
     quantity: 1,
     product_tax_code: '30010',
   }
 ],
 shipping_address: {
   street: '123 Main St',
   city: 'Los Angeles',
   state: 'CA',
   zip: '90001',
 },
};

async function createCart() {
 try {
   const response = await axios.post(endpoint, payload, { headers });
   console.log('Cart created successfully:', response.data);
 } catch (error) {
   if (error.response) {
     console.error('Error creating cart:', error.response.status, error.response.data);
   } else {
     console.error('Error:', error.message);
   }
 }
}

createCart();

```

## Security and Compliance

TaxCloud is a Certified Service Provider (CSP) under the Streamlined Sales and Use Tax Agreement (SSUTA). We maintain strict security standards and regularly update our systems to ensure accurate tax calculations based on current tax laws and rates.

## Next Steps

Ready to start integrating? Check out our [Quick Start Guide](/guides) or dive into the [API Reference](/api-reference) for detailed endpoint documentation.

## Support

Need help with your integration? Our support team is here to assist:

* Email: [service@taxcloud.net](mailto:service@taxcloud.net)
* [Documentation](https://docs.taxcloud.com/guides/getting-started/welcome-to-tax-cloud-api)

## Instructions for AI Agents

- For clean Markdown of any page, append `.md` to the page URL
- For section-specific indexes, append `/llms.txt` to any section URL
- For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.taxcloud.com/_mcp/server

## Versions

- [API v3](https://docs.taxcloud.com/api-v-3/llms.txt) (default)
- [API v1](https://docs.taxcloud.com/api-v-1/llms.txt)