1. Introduction

BTS Chat ("we", "our", "the Service") respects your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our website at btskpop.online.

2. Information We Collect

2.1 Information You Provide

Account data: If you create an account, we collect your email address, display name, and profile photo (if signing in via Google).
Chat messages: The messages you send to AI characters are stored to maintain conversation history and improve your experience.
Payment data: When you purchase Stars, payment is processed by Paddle (our payment processor). We do not store your credit card or payment details. We receive transaction confirmations and purchase amounts from Paddle.

2.2 Information Collected Automatically

Anonymous authentication: If you use the Service as a guest, Firebase creates an anonymous user ID to track your session. No personal information is required.
Usage data: We track message counts and daily usage for quota management purposes.
Device/browser info: Standard web server logs may include your IP address, browser type, and device information.
Cookies: We use essential cookies for authentication. Third-party services (Google AdSense) may use cookies for advertising purposes.

3. How We Use Your Information

We use the collected information to:

Provide and maintain the Service.
Manage your account and authenticate your sessions.
Process Star purchases and manage your balance.
Enforce usage limits and prevent abuse.
Generate AI conversation responses (messages are sent to third-party AI providers for processing).
Generate conversation summaries for improved chat continuity.
Display relevant advertisements via Google AdSense.
Improve and optimize the Service.

4. Third-Party Services

We use the following third-party services that may process your data:

Firebase (Google): Authentication and real-time database storage. Subject to Firebase Privacy Policy.
Groq / Cerebras: AI inference providers that process chat messages to generate responses. Messages are sent without personally identifiable information beyond the conversation content.
Paddle: Payment processing for Star purchases. Subject to Paddle's Privacy Policy.
Google AdSense: Advertising services. Subject to Google's Privacy Policy.
Vercel: Hosting and deployment. Subject to Vercel's Privacy Policy.

5. Data Retention

Chat messages: Stored as long as your account exists. You can delete individual conversations at any time.
Account data: Retained until you delete your account or request deletion.
Anonymous sessions: Anonymous user data may be periodically cleaned up after extended inactivity.
Transaction records: Purchase records are retained for accounting and legal compliance purposes.

6. Data Security

We implement reasonable security measures to protect your information, including:

Firebase security rules that restrict data access to authorized users only.
Server-side API key protection (AI provider keys are never exposed to the client).
HTTPS encryption for all data in transit.
Rate limiting to prevent abuse.

However, no method of electronic transmission or storage is 100% secure. We cannot guarantee absolute security of your data.

7. Your Rights

Depending on your jurisdiction, you may have the right to:

Access the personal data we hold about you.
Request correction of inaccurate data.
Request deletion of your data.
Object to or restrict processing of your data.
Data portability (receive your data in a structured format).
Withdraw consent at any time.

To exercise any of these rights, please contact us at support@btskpop.online.

8. Children's Privacy

The Service is not intended for children under 13 years of age. We do not knowingly collect personal information from children under 13. If you believe a child has provided us with personal data, please contact us so we can take appropriate action.

9. International Data Transfers

Your data may be processed and stored in countries other than your own. By using the Service, you consent to the transfer of your data to these countries, which may have different data protection laws than your jurisdiction.

10. Changes to This Policy

We may update this Privacy Policy from time to time. Changes will be posted on this page with an updated "Last updated" date. Continued use of the Service after changes constitutes acceptance of the updated policy.

11. Contact Us

If you have questions or concerns about this Privacy Policy, please contact us at support@btskpop.online.