patchBay

Abstract VAT Validation vs Fed Treasury

Both are solid Finance APIs. Choose based on your specific requirements.

Abstract VAT Validation

Validate VAT numbers and calculate VAT rates

Fed Treasury

U.S. Department of the Treasury Data

Abstract VAT Validation

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

Fed Treasury

  • No authentication required
  • HTTPS supported
FeatureAbstract VAT ValidationFed Treasury
AuthenticationapiKeyNone
HTTPSYesYes
CORSYesUnknown

When to use which?

Fed Treasury 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.