Privacy Policy

Welcome to Sentinel Rx ("we," "our," or "us"), a product of Rexos Dev Company operated at sentinel.rezarexa.com. This Privacy Policy describes how we collect, use, disclose, and protect your personal information when you use our website, AI-powered educational and analytical tools, Telegram bot, and related services (collectively, the "Services").

By accessing or using our Services, you agree to the collection and use of information in accordance with this Privacy Policy. If you do not agree with this policy, please do not use our Services.

2.1 Information You Provide

• Account registration information: email address, name, and password
• Payment information: processed securely through Stripe; we do not store your credit card numbers, CVV, or full payment details on our servers
• Telegram user ID: when you link your Telegram account to our platform
• Communication data: messages sent through AI assistant chat, support inquiries, and feedback
• Analysis preferences: chart types, timeframes, and study configurations you choose within the platform

2.2 Information Collected Automatically

• Usage data: features used, analyses requested, API calls, timestamps, and interaction patterns
• Device and browser information: browser type, operating system, device identifiers, and screen resolution
• Log data: IP addresses, access times, pages viewed, and referring URLs
• Cookies and similar technologies: session cookies for authentication and preferences

2.3 Information from Third Parties

• Payment verification data from Stripe
• Publicly available financial data from data providers (not linked to personal identity)

We use your information for the following purposes:

• To provide, maintain, and improve our Services, including AI-powered chart analysis, educational content, and copilot chat
• To process payments and manage subscriptions
• To authenticate users and maintain account security
• To send service-related notifications via Telegram bot and email
• To monitor and track API usage and enforce plan limits
• To detect, investigate, and prevent fraudulent or unauthorized activity
• To analyze usage patterns and improve our AI models and user experience
• To comply with legal obligations and enforce our Terms of Service

We do not sell, rent, or trade your personal information to third parties. We may share your data only in the following circumstances:

• Service Providers: We share data with trusted third-party providers who assist in operating our Services (e.g., Stripe for payment processing, AI model providers for analysis). These providers are contractually bound to use your data only for the services they provide to us.
• AI Processing: When you use our AI analysis or copilot features, your queries (not personal identification data) are processed by AI model providers to generate responses. We minimize the data sent and do not include personally identifiable information in AI requests.
• Legal Requirements: We may disclose your information if required to do so by law, regulation, legal process, or governmental request.
• Business Transfers: In the event of a merger, acquisition, or sale of assets, your data may be transferred as part of the transaction. We will notify you of any such change.
• With Your Consent: We may share information with your explicit consent for purposes not covered by this policy.

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

• HTTPS/TLS encryption for all data transmitted between your device and our servers
• Secure password hashing — we never store passwords in plain text
• Payment processing through Stripe, which is PCI DSS Level 1 certified
• Regular security reviews and updates to our infrastructure
• Access controls limiting employee access to personal data on a need-to-know basis

While we strive to protect your information, no method of electronic transmission or storage is 100% secure. We cannot guarantee absolute security but are committed to promptly addressing any security incidents.

We retain your personal information for as long as your account is active or as needed to provide you with our Services. Specifically:

• Account data: retained while your account is active and for up to 12 months after deletion request
• Usage and analytics data: retained in aggregated, anonymized form indefinitely for service improvement
• Payment records: retained as required by applicable tax and financial regulations (typically 7 years)
• AI chat history: stored only for the duration of your active session and not permanently saved

Depending on your jurisdiction, you may have the following rights:

• Access: Request a copy of the personal data we hold about you
• Correction: Request correction of inaccurate or incomplete data
• Deletion: Request deletion of your personal data, subject to legal retention requirements
• Portability: Request a machine-readable copy of your data
• Objection: Object to certain processing of your data
• Withdrawal of Consent: Withdraw consent where processing is based on consent

To exercise any of these rights, please contact us at the email address provided below. We will respond to your request within 30 days.

We use essential cookies to maintain your authentication session and remember your preferences. We use localStorage for client-side session management. We do not use third-party advertising cookies or tracking pixels.

You can configure your browser to refuse cookies, but this may affect the functionality of our Services.

Our Services are operated globally. Your information may be transferred to and processed in countries other than your country of residence. These countries may have data protection laws that are different from the laws of your country. By using our Services, you consent to the transfer of your information to these countries.

Our Services are not directed to individuals under the age of 18. We do not knowingly collect personal information from children. If we learn that we have collected information from a child under 18, we will take steps to delete that information promptly.

Our Services may contain links to third-party websites or services (e.g., TradingView charts, Telegram). We are not responsible for the privacy practices of these third parties. We encourage you to review their privacy policies before providing any personal information.

We may update this Privacy Policy from time to time to reflect changes in our practices, technology, legal requirements, or other factors. We will notify you of material changes by posting the updated policy on our website with a new "Last updated" date. Your continued use of our Services after such changes constitutes your acceptance of the revised policy.

If you have any questions, concerns, or requests regarding this Privacy Policy or our data practices, please contact us: