Abstract VAT Validation vs LianLian Pay (连连支付)
Both are solid Finance APIs. Choose based on your specific requirements.
Abstract VAT Validation
Validate VAT numbers and calculate VAT rates
LianLian Pay (连连支付)
Cross-border payment platform — international settlements, merchant services, e-wallet. REST API
Abstract VAT Validation
- Simple API key authentication
- HTTPS supported
- CORS enabled for frontend use
LianLian Pay (连连支付)
- No authentication required
- HTTPS supported
| Feature | Abstract VAT Validation | LianLian Pay (连连支付) |
|---|---|---|
| Authentication | apiKey | None |
| HTTPS | Yes | Yes |
| CORS | Yes | Unknown |
When to use which?
LianLian Pay (连连支付) 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.