TaxCloud API – Flexible Sales Tax Automation

Whether you’re building a custom eCommerce integration, automating exemption certificate management, or handling refunds programmatically, our API provides all the flexibility you need.
Gain full control over your sales tax compliance
Real-time tax calculations
Get precise sales tax rates based on jurisdictional rules.
Automated compliance
Capture orders, apply exemptions, and generate audit-ready reports.
Developer-first approach
RESTful architecture, JSON responses, and authentication via API keys.
Built for developers
When the out-of-the-box integrations don’t fit, the TaxCloud API allows you to create the connection you need.

Integrate TaxCloud with third-party platforms such as custom eCommerce or ERP systems
Connect TaxCloud to payment processors, or accounting software to ensure tax compliance. This allows you to reduce manual effort, and improve accuracy in tax calculations and reporting.

Automate sales tax workflows, like fetching exemption certificates from other systems
Validate tax-exempt transactions, generate detailed compliance reports, and reconcile sales tax data across multiple sales channels to minimize manual intervention.

Map tax categories at scale for large product catalogs
Ensure accurate taxability assignments based on jurisdictional rules. Automate this process to reduce compliance risk, minimize manual data entry, and improve the efficiency of tax reporting across multiple product lines.
Key features
Tax Estimation
Get sales tax rates in real time.
Order Capture
Record completed transactions for compliance.
Exemption Certificate Management
Add and retrieve tax exemption certificates.
Refund Handling
Automate tax adjustments on returns.
Developer experience

Technical overview
Architecture: REST
Data Format: JSON
Authentication: API Key
Rate Limits: High threshold; subject to change based on usage

Error handling
All API operations return structured error messages with clear descriptions. View common responses in our API Documentation.

Code generation
We provide an OpenAPI 3.0 specification, which can be used with client generators for languages like Python, Java, and PHP. Generate your client easily using OpenAPI Generator.
Security & Compliance

Data encryption
All data is encrypted at rest, ensuring that sensitive information remains protected from unauthorized access. This helps you maintain compliance with industry security standards and best practices.

Secure connections
API requests are secured via SSL, guaranteeing end-to-end encryption during data transmission. This protects you against potential interception and ensures that communications between your system and TaxCloud remain private and secure.

Scoped API keys
Keys are tied to individual accounts for security, preventing unauthorized usage. Each key is assigned specific permissions, allowing developers to control access levels and restrict exposure to critical operations.