Abstract VAT Validation vs UnionPay Open Platform (银联)
Both are solid Finance APIs. Choose based on your specific requirements.
Abstract VAT Validation
Validate VAT numbers and calculate VAT rates
UnionPay Open Platform (银联)
China's national card network — online payments, QR code payments, tokenization. Java, .NET, PHP SDKs
Abstract VAT Validation
- Simple API key authentication
- HTTPS supported
- CORS enabled for frontend use
UnionPay Open Platform (银联)
- No authentication required
- HTTPS supported
| Feature | Abstract VAT Validation | UnionPay Open Platform (银联) |
|---|---|---|
| Authentication | apiKey | None |
| HTTPS | Yes | Yes |
| CORS | Yes | Unknown |
When to use which?
UnionPay Open Platform (银联) is the better choice for quick prototypes and hackathons since it requires no authentication. Abstract VAT Validation works directly from the browser with CORS enabled, making it better for frontend-only apps.