> For clean Markdown of any page, append .md to the page URL. > For a complete documentation index, see https://docs.taxcloud.com/api-v-3/llms.txt. > For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.taxcloud.com/_mcp/server. Automate Sales Tax\ Calculations ============ Access a powerful API for real-time sales tax calculation, compliance, and reporting across the United States. [Get Started β†’](guides) [Create Account](https://app.taxcloud.com/register) ### πŸ—ΊοΈ Nationwide Coverage Accurate tax rates for over 11,000 jurisdictions across the US ### ⚑ Real-Time Calculations Instant and accurate sales tax calculations for every transaction ### πŸ“¦ Product Categories Extensive product taxability mapping across jurisdictions ### βœ… Automated Compliance Simplified tax compliance and reporting tools ### πŸ”’ Secure & Certified Certified Streamlined Sales Tax (SST) service provider ### πŸ› οΈ Developer-First Simple REST API integration with comprehensive documentation ## 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 connectionId = 'your_connection_id'; const apiKey = 'your_api_key'; const endpoint = `https://api.v3.taxcloud.com/tax/connections/${connectionId}/carts`; // Set the headers const headers = { 'X-API-KEY': apiKey, 'Content-Type': 'application/json', }; const payload = { items: [ { customerId: 'cus_12345', currency: { currencyCode: 'USD' }, origin: { line1: '323 Washington Ave N', city: 'Minneapolis', state: 'MN', zip: '55401', }, destination: { line1: '123 Main St', city: 'Los Angeles', state: 'CA', zip: '90001', }, lineItems: [ { index: 0, itemId: 'sku_001', price: 100.0, quantity: 2, tic: 40030, }, { index: 1, itemId: 'sku_002', price: 50.0, quantity: 1, tic: 20010, }, ], }, ], }; 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) ## Docs - [Welcome to the TaxCloud API](https://docs.taxcloud.com/guides/getting-started/welcome-to-tax-cloud-api.md): Integrate with TaxCloud's suite of APIs to automate sales tax calculations, collections, and filings. Access comprehensive documentation to streamline your development process. - [Setup and Authentication](https://docs.taxcloud.com/guides/getting-started/setup-and-authentication.md): Integrate with TaxCloud's suite of APIs to automate sales tax calculations, collections, and filings. Access comprehensive documentation to streamline your development process. - [First API Calls](https://docs.taxcloud.com/guides/getting-started/first-api-calls.md): Integrate with TaxCloud's suite of APIs to automate sales tax calculations, collections, and filings. Access comprehensive documentation to streamline your development process. - [Testing and going Live](https://docs.taxcloud.com/guides/getting-started/testing-and-going-live.md): Integrate with TaxCloud's suite of APIs to automate sales tax calculations, collections, and filings. Access comprehensive documentation to streamline your development process. - [Migrating from API v1 to v3](https://docs.taxcloud.com/guides/getting-started/migrating-from-api-v-1-to-v-3.md): A practical guide for developers migrating their TaxCloud integration from the legacy v1 API to the current v3 REST API. - [Components of Tax Calculation](https://docs.taxcloud.com/guides/core-concepts/components-of-tax-calculation.md): Integrate with TaxCloud's suite of APIs to automate sales tax calculations, collections, and filings. Access comprehensive documentation to streamline your development process. - [Taxability Information Codes (TICs)](https://docs.taxcloud.com/guides/core-concepts/taxability-information-codes-ti-cs.md): Integrate with TaxCloud's suite of APIs to automate sales tax calculations, collections, and filings. Access comprehensive documentation to streamline your development process. - [TIC Search](https://docs.taxcloud.com/guides/core-concepts/tic-search.md) - [Managing Tax Exemptions](https://docs.taxcloud.com/guides/core-concepts/managing-tax-exemptions.md): Integrate with TaxCloud's suite of APIs to automate sales tax calculations, collections, and filings. Access comprehensive documentation to streamline your development process. - [Transaction Lifecycle](https://docs.taxcloud.com/guides/core-concepts/transaction-lifecycle.md): Integrate with TaxCloud's suite of APIs to automate sales tax calculations, collections, and filings. Access comprehensive documentation to streamline your development process. - [Overview](https://docs.taxcloud.com/guides/workflows/real-time-api/overview.md): Integrate with TaxCloud's suite of APIs to automate sales tax calculations, collections, and filings. Access comprehensive documentation to streamline your development process. - [Calculate Taxes with Cart](https://docs.taxcloud.com/guides/workflows/real-time-api/calculate-taxes-with-cart.md): Integrate with TaxCloud's suite of APIs to automate sales tax calculations, collections, and filings. Access comprehensive documentation to streamline your development process. - [Handling Exemptions](https://docs.taxcloud.com/guides/workflows/real-time-api/handle-exemptions.md): Integrate with TaxCloud's suite of APIs to automate sales tax calculations, collections, and filings. Access comprehensive documentation to streamline your development process. - [Handling Discounts with TaxCloud](https://docs.taxcloud.com/guides/workflows/real-time-api/handling-discounts.md): Integrate with TaxCloud's suite of APIs to automate sales tax calculations, collections, and filings. Access comprehensive documentation to streamline your development process. - [Convert Carts to Orders](https://docs.taxcloud.com/guides/workflows/real-time-api/convert-carts-to-orders.md): Integrate with TaxCloud's suite of APIs to automate sales tax calculations, collections, and filings. Access comprehensive documentation to streamline your development process. - [Overview](https://docs.taxcloud.com/guides/workflows/order-upload/overview.md): Integrate with TaxCloud's suite of APIs to automate sales tax calculations, collections, and filings. Access comprehensive documentation to streamline your development process. - [Creating Orders](https://docs.taxcloud.com/guides/workflows/order-upload/creating-orders.md): Integrate with TaxCloud's suite of APIs to automate sales tax calculations, collections, and filings. Access comprehensive documentation to streamline your development process. - [Handling Taxability](https://docs.taxcloud.com/guides/workflows/order-upload/handling-taxability.md): Integrate with TaxCloud's suite of APIs to automate sales tax calculations, collections, and filings. Access comprehensive documentation to streamline your development process. - [Handling Uploaded Orders Exemption](https://docs.taxcloud.com/guides/workflows/order-upload/handling-exemptions.md): Integrate with TaxCloud's suite of APIs to automate sales tax calculations, collections, and filings. Access comprehensive documentation to streamline your development process. - [Returns and Credit Overview](https://docs.taxcloud.com/guides/workflows/processing-returns/overview.md): Integrate with TaxCloud's suite of APIs to automate sales tax calculations, collections, and filings. Access comprehensive documentation to streamline your development process. - [Standard returns](https://docs.taxcloud.com/guides/workflows/processing-returns/standard-returns.md): Integrate with TaxCloud's suite of APIs to automate sales tax calculations, collections, and filings. Access comprehensive documentation to streamline your development process. - [Standalone credits](https://docs.taxcloud.com/guides/workflows/processing-returns/standalone-credits.md): Integrate with TaxCloud's suite of APIs to automate sales tax calculations, collections, and filings. Access comprehensive documentation to streamline your development process. - [Getting Rates with TaxCloud](https://docs.taxcloud.com/guides/workflows/getting-rates.md): Integrate with TaxCloud's suite of APIs to automate sales tax calculations, collections, and filings. Access comprehensive documentation to streamline your development process. - [Error handling when creating orders](https://docs.taxcloud.com/guides/workflows/handling-errors.md): Integrate with TaxCloud's suite of APIs to automate sales tax calculations, collections, and filings. Access comprehensive documentation to streamline your development process. - [Management API Access](https://docs.taxcloud.com/api-reference/api-reference/management-api/management-api-access.md): Integrate with TaxCloud's suite of APIs to automate sales tax calculations, collections, and filings. Access comprehensive documentation to streamline your development process. ## API Docs - API Reference > Sales Tax API [Health](https://docs.taxcloud.com/api-reference/api-reference/sales-tax-api/health.md) - API Reference > Sales Tax API > Cart [Calculate sales tax for one or more carts](https://docs.taxcloud.com/api-reference/api-reference/sales-tax-api/cart/create-cart.md) - API Reference > Sales Tax API > Cart [Create an order from a cartID](https://docs.taxcloud.com/api-reference/api-reference/sales-tax-api/cart/create-orders.md) - API Reference > Sales Tax API > Cart [Get Cart By ID](https://docs.taxcloud.com/api-reference/api-reference/sales-tax-api/cart/get-cart.md) - API Reference > Sales Tax API > Exemption Certificate [Create Exemption Certificate](https://docs.taxcloud.com/api-reference/api-reference/sales-tax-api/exemption-certificate/create-exemption-certificate.md) - API Reference > Sales Tax API > Exemption Certificate [Get Exemption Certificate By ID](https://docs.taxcloud.com/api-reference/api-reference/sales-tax-api/exemption-certificate/get-exemption-certificates-by-id.md) - API Reference > Sales Tax API > Exemption Certificate [Disable Exemption Certificate By ID](https://docs.taxcloud.com/api-reference/api-reference/sales-tax-api/exemption-certificate/delete-exemption-certificates-by-id.md) - API Reference > Sales Tax API > Exemption Certificate [Get Exemption Certificates](https://docs.taxcloud.com/api-reference/api-reference/sales-tax-api/exemption-certificate/get-exemption-certificates.md) - API Reference > Sales Tax API > Orders [Create Order](https://docs.taxcloud.com/api-reference/api-reference/sales-tax-api/orders/create-order.md) - API Reference > Sales Tax API > Orders [Get Order By ID](https://docs.taxcloud.com/api-reference/api-reference/sales-tax-api/orders/get-order.md) - API Reference > Sales Tax API > Orders [Void Order](https://docs.taxcloud.com/api-reference/api-reference/sales-tax-api/orders/void-order.md) - API Reference > Sales Tax API > Orders [Update Order](https://docs.taxcloud.com/api-reference/api-reference/sales-tax-api/orders/update-order.md) - API Reference > Sales Tax API > Refunds [Refund order](https://docs.taxcloud.com/api-reference/api-reference/sales-tax-api/refunds/refund-order.md) - API Reference > Sales Tax API > Utilities [Ping](https://docs.taxcloud.com/api-reference/api-reference/sales-tax-api/utilities/ping.md) - API Reference > Sales Tax API > Utilities [Search TIC Codes](https://docs.taxcloud.com/api-reference/api-reference/sales-tax-api/utilities/tic-search.md) - API Reference > Sales Tax API > Utilities [Verify Address](https://docs.taxcloud.com/api-reference/api-reference/sales-tax-api/utilities/verify-address.md) - API Reference > Management API > Access Keys [List Access Keys](https://docs.taxcloud.com/api-reference/api-reference/management-api/access-keys/list-access-keys.md) - API Reference > Management API > Access Keys [Create an Access Key](https://docs.taxcloud.com/api-reference/api-reference/management-api/access-keys/create-access-keys.md) - API Reference > Management API > Access Keys [Retrieve an Access Key](https://docs.taxcloud.com/api-reference/api-reference/management-api/access-keys/get-access-keys.md) - API Reference > Management API > Access Keys [Delete an Access Key](https://docs.taxcloud.com/api-reference/api-reference/management-api/access-keys/delete-access-keys.md) - API Reference > Management API > Accounts [Create an Account](https://docs.taxcloud.com/api-reference/api-reference/management-api/accounts/create-account.md) - API Reference > Management API > Accounts [Get an Account](https://docs.taxcloud.com/api-reference/api-reference/management-api/accounts/get-account.md) - API Reference > Management API > Accounts [Update an Account](https://docs.taxcloud.com/api-reference/api-reference/management-api/accounts/update-account.md) - API Reference > Management API > Product Catalog [List Product Catalog](https://docs.taxcloud.com/api-reference/api-reference/management-api/product-catalog/list-product.md) - API Reference > Management API > Product Catalog [Create Product](https://docs.taxcloud.com/api-reference/api-reference/management-api/product-catalog/create-product.md) - API Reference > Management API > Product Catalog [Upsert Product](https://docs.taxcloud.com/api-reference/api-reference/management-api/product-catalog/upsert-product.md) - API Reference > Management API > Product Catalog [Bulk Delete Products](https://docs.taxcloud.com/api-reference/api-reference/management-api/product-catalog/bulk-delete-products.md) - API Reference > Management API > Product Catalog [Bulk Upload Products](https://docs.taxcloud.com/api-reference/api-reference/management-api/product-catalog/bulk-upload-products.md) - API Reference > Management API > Product Catalog [Get Product](https://docs.taxcloud.com/api-reference/api-reference/management-api/product-catalog/get-product.md) - API Reference > Management API > Product Catalog [Delete Product](https://docs.taxcloud.com/api-reference/api-reference/management-api/product-catalog/delete-product.md) ## OpenAPI Specification The raw OpenAPI 3.1 specification for this API is available at: - [OpenAPI JSON](https://docs.taxcloud.com/api-v-3/openapi.json) - [OpenAPI YAML](https://docs.taxcloud.com/api-v-3/openapi.yaml)