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Privacy Policy

Last updated: 2026-04-13

Data Encryption

  • All user data is encrypted at rest using AES-256 encryption.
  • API keys are encrypted using Fernet symmetric encryption, with keys stored separately from the encrypted data.
  • All data in transit is protected with TLS 1.3 encryption.

How We Use Your Data

  • Your conversations are only forwarded to the AI model provider you select (Anthropic, OpenAI, etc.) for processing — nothing more.
  • We never use your conversation data to train any AI models.
  • We never use your data for any other commercial purposes.
  • We never sell, rent, or share your personal data with third parties.

Data Storage

  • Chat history is stored in Cloudflare D1 (encrypted). You can delete it at any time.
  • Uploaded files are stored in Cloudflare R2 (encrypted). You can delete them at any time.
  • You can export all of your data at any time.
  • You can request permanent deletion of your account and all associated data.

Third-party Services

We use the following third-party services to operate Lumina:

Cookies & Tracking

  • We only use essential functional cookies (authentication tokens).
  • We do not use third-party tracking cookies.
  • We do not use advertising trackers.

Contact Us

If you have any questions about this privacy policy or wish to exercise your data rights, please contact us at privacy@lumina.chat.