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API Adresse vs Validate UK Postcodes

Both are solid Data Validation APIs. Choose based on your specific requirements.

API Adresse

Official French address validation service

Validate UK Postcodes

This API validates postal codes within UK

API Adresse

  • No authentication required
  • HTTPS supported

Validate UK Postcodes

  • Simple API key authentication
  • HTTPS supported
  • CORS enabled for frontend use
FeatureAPI AdresseValidate UK Postcodes
AuthenticationNoneapiKey
HTTPSYesYes
CORSUnknownYes

When to use which?

API Adresse is the better choice for quick prototypes and hackathons since it requires no authentication. Validate UK Postcodes works directly from the browser with CORS enabled, making it better for frontend-only apps.