Abstract VAT Validation vs Adyen Test Cards 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
Adyen Test Cards API
The Test Cards API provides endpoints for generating custom test card numbers. For more information, refer to [Custom test cards](https://docs.adyen.com/development-resources/testing/create-test-ca...
Abstract VAT Validation
- Simple API key authentication
- HTTPS supported
- CORS enabled for frontend use
Adyen Test Cards API
- Simple API key authentication
- HTTPS supported
| Feature | Abstract VAT Validation | Adyen Test Cards 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.