We collect your username, email address, and password (hashed) when you register. We also store your Telegram chat ID to deliver notifications, and the keywords you choose to monitor.

Your data is used exclusively to provide the Card Radar service — scanning Mercari.jp for cards matching your keywords and sending you Telegram notifications. We do not sell, share, or monetize your personal data in any way.

Your data is stored on a secure server hosted by Hetzner (EU). Passwords are hashed and never stored in plain text. We retain your data for as long as your account is active.

You can request deletion of your account and all associated data at any time by contacting us at info@sepcollectibles.com.

We use a single session cookie to keep you logged in. No tracking cookies or third-party analytics are used.

For any privacy-related questions, contact us at info@sepcollectibles.com.