Privacy Policy
Last Updated: April 2026
Welcome to CantoLyrics AI ("we," "our," or "us"). We are committed to protecting your personal information and your right to privacy. This Privacy Policy explains how we collect, use, and safeguard your data when you use our professional Cantonese lyrics AI tools.
1. Information We Collect
We collect personal information that you voluntarily provide to us to facilitate your creative process:
- Account Information: Your email address and basic profile data (e.g., name, avatar) when you register via Google Authentication or email.
- Payment Information: All financial transactions are processed securely by Stripe. We do not store or have access to your full credit card numbers or billing addresses on our servers.
- Creative Usage Data: The prompts, themes, melodies, and 0243 tone sequences you input, as well as the generated lyrics.
- Log and Device Data: Technical information such as your IP address, browser type, device info, and how you interact with our interface (e.g., credit usage history).
2. How We Use Your Information
We use your data to provide a seamless professional songwriting experience:
- Service Delivery: To manage your account, track your Credit balance, and authenticate sessions via Supabase.
- AI Generation: To generate lyrics by sending your prompts and tone sequences to our AI partners.
- Algorithm Optimization: To analyze anonymized usage patterns to improve our 0243 tone-mapping accuracy and AI creativity.
- Communication: To send essential service updates, billing receipts via Stripe, or support responses.
3. Data Sharing and Third-Party Providers
We do not sell your personal data. We only share information with trusted service providers necessary to run CantoLyrics AI:
- Infrastructure & Database: Supabase (stores encrypted user data and credit balances).
- AI Processing: Based on our enterprise-grade API configuration, your inputs are generally not used to train their global public models.
- Payment Processing: Stripe (manages subscriptions, one-time purchases, and tax compliance).
- Analytics: We may use lightweight tools to monitor site performance and user retention.
4. Data Retention and Deletion
- Retention: We keep your information for as long as your account is active or as needed to provide you with the Service.
- Deletion: You may request to delete your account at any time by contacting our support. Upon request, we will delete or anonymize your personal data within 30 days, except for information we are legally required to retain (e.g., Stripe transaction records for tax purposes).
5. Cookies and Tracking
We use essential cookies to:
- Keep you logged in.
- Prevent fraud and maintain security.
- Remember your workspace preferences (e.g., language or aesthetic settings).
You can manage cookie preferences through your browser settings, though some features of the Service may not function correctly without them.
6. Your Privacy Rights
Depending on your location (such as the EU under GDPR or California under CCPA), you may have the following rights:
- Access/Update: The right to request a copy of your data or correct inaccuracies.
- Erasure: The right to request the deletion of your personal information.
- Data Portability: The right to move your data to another service.
- Withdraw Consent: The right to withdraw consent for data processing at any time.
7. Security of Your Data
We implement industry-standard security measures, including SSL encryption and secure API protocols, to protect your data. However, no method of transmission over the internet is 100% secure, and we cannot guarantee absolute security.
8. Updates to This Policy
We may update this Privacy Policy from time to time to reflect changes in our technology or legal requirements. The "Last Updated" date at the top will indicate the latest revision. We encourage you to review this page periodically.
9. Contact Us
If you have questions, concerns, or wish to exercise your privacy rights, please contact us at:
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