Abstract VAT Validation vs Promotions & Taxes API
If you need a Finance API that's easy to integrate, go with Abstract VAT Validation.
Abstract VAT Validation
Validate VAT numbers and calculate VAT rates
Promotions & Taxes API
> Check the new [Promotions onboarding guide](https://developers.vtex.com/vtex-rest-api/docs/promotions-overview). We created this guide to improve the onboarding experience for developers at VTE...
Abstract VAT Validation
- Simple API key authentication
- HTTPS supported
- CORS enabled for frontend use
Promotions & Taxes API
- Simple API key authentication
- HTTPS supported
| Feature | Abstract VAT Validation | Promotions & Taxes API |
|---|---|---|
| Authentication | apiKey | apiKey |
| HTTPS | Yes | Yes |
| CORS | Yes | Unknown |
When to use which?
Abstract VAT Validation works directly from the browser with CORS enabled, making it better for frontend-only apps.