patchBay

Abstract VAT Validation vs Klarna

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

Klarna

Klarna payment and shopping service

Abstract VAT Validation

  • Simple API key authentication
  • HTTPS supported
  • CORS enabled for frontend use

Klarna

  • Simple API key authentication
  • HTTPS supported
  • Currently flagged as inactive
FeatureAbstract VAT ValidationKlarna
AuthenticationapiKeyapiKey
HTTPSYesYes
CORSYesUnknown

When to use which?

Abstract VAT Validation works directly from the browser with CORS enabled, making it better for frontend-only apps.