eBay one-time password is an additional authentication method provided to increase account security. To obtain an eBay one-time password, please follow the steps below:

Log in to your eBay account: Open the eBay official website in a web browser and log in to your eBay account with your username and password.

Navigate to security settings: After logging in, click your username in the upper right corner of the page and select "Account Settings" or similar options.

Enter security settings: On the account settings page, find and click "Security Settings" or similar options.

Enable one-time password: On the security settings page, find and enable the "One-time Password" or "Two-step Verification" option. You may need to provide additional authentication information, such as a mobile phone number.

Get a one-time password: After enabling a one-time password, you will receive a method for generating a one-time password. Usually, you can get a one-time password via SMS, mobile application (such as Google Authenticator) or email.

Please note that the specific steps may vary due to updates to the eBay website. If you encounter problems during the setup process, it is recommended to refer to the help documents on the eBay official website or contact eBay customer service for accurate and up-to-date guidance.