Yes. You can apply for K-ETA through ETAPORTAL without creating an account.
Select either the Simple Application or General Application option, agree to the terms and conditions, and enter the required information, including your email address, passport details, and travel information.
Once you have completed the application form and payment, your application will be submitted.
Your K-ETA application result will be sent to your registered email address, so make sure to provide a valid and accessible email address when applying.