Privacy Policy

Last Updated: June 2026

Your privacy is critically important to us. This Privacy Policy explains how 7-Backend Keywords collects, uses, and protects your personal information when you use our website and application (the "Service").

1. Information We Collect

We collect the absolute minimum data required to provide you with our Service:

• Account Information: When you register, we collect your email address and an encrypted password. This is required to maintain your account and token balance.
• Input Data: We temporarily process the book titles and subtitles you input to generate keywords.
• Payment Information: We do not collect or store your credit card information. All payments are securely processed by our Merchant of Record, Lemon Squeezy.

2. How We Use Your Information

Your email is used exclusively for account authentication, delivering your purchased tokens, and communicating critical service updates. We do not sell, rent, or trade your personal information to third parties for marketing purposes.

3. Third-Party Service Providers

We utilize trusted third-party services to operate our application:

• Supabase: Used for secure user authentication and database hosting.
• Lemon Squeezy: Used for secure payment processing and order fulfillment.
• OpenAI: We use OpenAI's API to process your book titles and generate keywords. Important: OpenAI does not use data submitted via its API to train its models. Your book titles remain confidential.

4. Cookies

We use essential cookies strictly necessary for the technical operation of the application (e.g., keeping you logged in). We do not currently use tracking or marketing cookies.

5. Your Rights (GDPR)

You have the right to access, update, or delete your personal information at any time. We provide a direct "Delete Account" button within the application settings that immediately wipes your account data and token balance from our active database.