Privacy Policy

Last updated: September 2026

1. Introduction

Chat Spinoza ("we", "our", or "us") is an AI chatbot service based on Spinoza's philosophy. This Privacy Policy explains how we collect, use, and protect your information when you use our service atchatspinoza.com.

2. Information We Collect

2.1 Account Information

When you sign in with Google, we receive:

• Email address
• Display name
• Profile picture URL
• Google account identifier used to connect your account

This information is used solely for account management and personalization.

2.2 Usage Data

We track daily API request counts to manage service usage limits. This data includes:

• Pseudonymous account or browser session identifier
• Date
• Number of requests

2.3 Conversation Data

When you are signed in, your conversation history and messages are stored on our server in Cloudflare D1 so we can provide history and sharing features. Anonymous drafts are kept in your browser's local storage and may be moved to your account after you sign in. You can delete saved conversations from the service.

2.4 Automatically Collected Information

Like most websites, we automatically collect:

• IP address
• Browser type and version
• Device information
• Error logs (via Sentry) for debugging purposes

3. How We Use Your Information

• To provide and maintain our service
• To manage your account and usage limits
• To improve our service and fix bugs
• To communicate with you about service updates

4. Third-Party Services

We use the following third-party services:

• Google OAuth - For authentication
• Cloudflare D1 - For account, session, usage, and saved conversation data; our Worker runs the Better Auth library for authentication
• Cloudflare - For hosting and content delivery
• Google Gemini API - For AI conversation processing
• Sentry - For error tracking and monitoring

Each service has its own privacy policy governing the data they process.

5. Data Retention

Account information is retained as long as your account is active. We retain usage and saved conversation data only for as long as needed to provide the service, meet legal obligations, and protect the service. We do not guarantee a fixed retention period. You may request deletion of your data at any time.

6. Data Security

We implement industry-standard security measures to protect your data, including:

• HTTPS encryption for all data transmission
• Secure authentication via OAuth 2.0
• Server-side authorization based on the authenticated account
• Access controls for Cloudflare D1 and protected session cookies

7. Your Rights

You have the right to:

• Access your personal data
• Request correction of your data
• Request deletion of your account and data
• Export your data

8. Cookies

We use essential cookies for authentication and session management. These cookies are necessary for the service to function and cannot be disabled.

9. Children's Privacy

Our service is not intended for children under 13. We do not knowingly collect personal information from children under 13.

10. Changes to This Policy

We may update this Privacy Policy from time to time. We will notify users of any material changes by posting the new policy on this page.

11. Contact Us

If you have questions about this Privacy Policy or wish to exercise your rights, please contact us at: privacy@chatspinoza.com