Last updated: 05/19/2026
Privacy Policy
This Privacy Policy explains how Natasha Kyra Martinoff d/b/a XILLION (“Company,” “we,” “us,” or “our”) collects, uses, stores, and protects personal data when you use XILLION and related services available through https://xillion.app.
This policy is intended to comply with applicable privacy laws, including the GDPR, UK GDPR, CCPA, and CPRA.
1. Data Controller
The data controller responsible for your personal information is:
Natasha Kyra Martinoff d/b/a XILLION
Los Angeles, California, USA
Email: help.xillion@outlook.com
Website: https://xillion.app
2. Information We Collect
Account Information
When you create an account, we may collect:
- Email address
- Authentication credentials (stored securely in hashed form through Supabase Auth)
- Account preferences and settings
Payment Information
Payments are processed by Stripe.
We may receive limited payment metadata, including:
- Stripe customer ID
- Purchase history
- Transaction status
- Tax and billing metadata
We do not receive or store:
- Full card numbers
- CVV codes
- Full banking details
Usage and Technical Data
We may collect:
- IP address
- Device/browser information
- Log data
- Error reports
- Security and abuse-prevention information
AI Prompt Processing
When you interact with the AI assistant, your prompts and messages are transmitted to third-party AI providers, including OpenAI and Google Gemini, for processing and response generation.
What We Do NOT Store
We do not persistently store your chat history on our servers.
Chat conversations are stored locally in your browser using localStorage and remain under your control on your device.
If you clear browser storage or switch devices, your local chat history may be lost.
3. Legal Bases for Processing (GDPR)
Where GDPR or UK GDPR applies, we process personal data under the following legal bases:
Contractual Necessity
To:
- Create and manage accounts
- Process payments
- Provide the Service
- Respond to support requests
Legitimate Interests
To:
- Maintain security
- Prevent fraud and abuse
- Improve system reliability
- Diagnose technical issues
Consent
Where legally required, we rely on consent for specific activities.
You may withdraw consent at any time where processing is based on consent.
4. How We Use Information
We use collected information to:
- Operate and maintain the Service
- Authenticate users
- Process purchases and taxes
- Provide customer support
- Detect abuse and security threats
- Improve product performance
- Comply with legal obligations
We do not sell personal data.
5. Third-Party Service Providers
We use trusted third-party providers to operate the Service, including:
Supabase
Used for authentication and database infrastructure.
Stripe
Used for payment processing and Stripe Tax functionality.
OpenAI and Google Gemini
Used to process AI prompts and generate responses.
Your prompts may be transmitted to these providers solely to provide AI functionality.
6. International Data Transfers
Your information may be processed or stored in countries outside your own jurisdiction, including the United States.
Where required by law, we implement safeguards intended to protect transferred data, including contractual protections and reliance on recognized transfer mechanisms.
7. Data Retention
We retain personal data only as long as reasonably necessary for:
- Providing the Service,
- Legal compliance,
- Security,
- Accounting and tax obligations,
- Dispute resolution.
You may request deletion of your account and associated personal data at any time, subject to legal retention requirements.
Because chat history is stored locally in your browser, deleting browser storage may erase your local conversations.
8. Your Privacy Rights
Depending on your jurisdiction, you may have rights to:
- Access your data
- Correct inaccurate information
- Delete personal information
- Restrict processing
- Object to processing
- Withdraw consent
- Request data portability
To exercise these rights, contact help.xillion@outlook.com.
California Privacy Rights (CCPA/CPRA)
California residents may request:
- Disclosure of collected information categories
- Deletion of personal information
- Correction of inaccurate data
- Access to retained information
We do not sell or share personal information for cross-context behavioral advertising.
Therefore, we do not provide a “Do Not Sell or Share My Personal Information” opt-out because we do not engage in those activities.
We do not knowingly process sensitive personal information for purposes requiring a “Limit Use” right under California law.
9. Cookies and Tracking
We use only essential cookies and authentication-related storage necessary for:
- Logging users in,
- Maintaining sessions,
- Security and fraud prevention.
We do not use third-party advertising cookies or behavioral tracking systems.
10. Security Measures
We implement reasonable technical and organizational safeguards intended to protect personal data.
However, no online service can guarantee absolute security.
You are responsible for maintaining the confidentiality of your login credentials.
11. Data Breach Notification
If we become aware of a data breach affecting personal information, we will take reasonable steps to investigate, mitigate harm, and provide notifications where required by applicable law.
12. Children’s Privacy
The Service is not intended for individuals under 18 years old.
We do not knowingly collect personal data from children under 18.
If we learn that a minor has provided personal information, we may delete the data and terminate the associated account.
13. Changes to This Privacy Policy
We may update this Privacy Policy periodically.
Updated versions become effective when posted on https://xillion.app.
Continued use of the Service after updates constitutes acceptance of the revised policy.
Contact
For privacy requests or questions:
Natasha Kyra Martinoff d/b/a XILLION
Los Angeles, California, USA
Email: help.xillion@outlook.com
Website: https://xillion.app