Abstract VAT Validation vs Checkout 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
Checkout API
>ℹ️ Check the new [Checkout onboarding guide](https://developers.vtex.com/vtex-rest-api/docs/checkout-overview). We created this guide to improve the onboarding experience for developers at VTEX. I...
Abstract VAT Validation
- Simple API key authentication
- HTTPS supported
- CORS enabled for frontend use
Checkout API
- Simple API key authentication
- HTTPS supported
| Feature | Abstract VAT Validation | Checkout 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.