I would like to learn more about the identity authentication service (3D Secure 2.0).

To ensure secure payments during your stay, the NOT A HOTEL app implements the credit card identity authentication service (3D Secure 2.0).

This is an identity authentication service designed to make credit card payments more secure for online transactions.

Depending on the credit card issuer, if a password for “3D Secure 2.0” has not been set, the transaction may not be processed successfully.

In such cases, please register your card for “3D Secure 2.0” or consider using another card or an alternative payment method.

To use “3D Secure 2.0,” you must first set a password via the website designated by your credit card issuer.

For details on how to set it up, please contact your credit card company directly.