Your Data & Privacy

privacy-policy

We explain what information we collect, how it’s used, and the choices you have to control and protect your personal data.

Last Updated
Septermber 9, 2025

At Billix, we're committed to protecting your privacy. This policy explains how we collect, use, and protect your information when you use our AI application.

Important: You're interacting with AI systems that process your messages to generate responses. While we strive for accuracy, AI content may not always be correct.

Information We Collect

When you create an account:

  • Name, email address, and profile image (via Google OAuth)
  • Optional profile information like occupation and preferences
  • Your AI model preferences and settings

When you use Billix:

  • Your chat messages and any files you upload
  • API keys you provide (encrypted with AES-GCM 256-bit encryption)
  • Usage statistics like message counts and model usage
  • Technical information like browser type and IP address

Analytics data:

  • We use Sentry for comprehensive error tracking, performance monitoring, and analytics for service improvement
  • Personal identifiers are removed from analytics data

Cookies and Tracking

We use cookies for:

  • Authentication and session management
  • User preferences and settings
  • Analytics and performance monitoring
  • Security and fraud prevention

You can control cookies through your browser settings.

Do Not Track

We currently do not support the Do Not Track browser setting. For more details, visit https://www.allaboutdnt.com.

How We Use Your Information

  • Provide AI services: Process your messages through AI models
  • Account management: Create and manage your account and preferences
  • Rate limiting: Enforce usage limits (5/day anonymous, 20/day registered)
  • Customer support: Respond to your questions and provide help
  • Service improvement: Analyze usage patterns to improve our service
  • Legal compliance: Comply with applicable laws and regulations

Automated Decision-Making

Our AI systems automatically generate responses. You can request human review by contacting support@billix.io.

Information Sharing

AI Providers:

  • OpenAI, Anthropic, Google, Mistral, xAI, Together AI, Meta, and others
  • These providers may be located outside your country, including in the US

Other Third Parties:

  • Analytics & Monitoring: Sentry (primary platform for error tracking, performance monitoring, and analytics)
  • Search: Exa, Tavily, Brave Search for enhanced AI responses
  • Authentication: Convex Auth for secure login
  • Payments: Polar for subscription billing
  • Infrastructure: Convex for backend services

Legal Requirements: We may disclose information if required by law.

International Transfers

Your data may be transferred outside your jurisdiction, including the US.

Data Security

  • Encryption: API keys encrypted with AES-GCM 256-bit encryption
  • Secure transmission: All communications use TLS 1.3 encryption
  • Access controls: Server-side authentication and authorization
  • Rate limiting: Protection against abuse and unauthorized access

Data Retention

  • Account information: Until you delete your account
  • Chat messages: Retained for service functionality; you can delete chats
  • Analytics data: Aggregated data kept up to 3 years
  • Legal records: As required by law

Data Breach Notification

We will notify authorities and affected users when required by law.

Your Rights

  • Access: Request information about your data
  • Correction: Fix inaccurate information
  • Deletion: Request deletion of your data
  • Portability: Receive your data in machine-readable format
  • Right to know what personal information is collected and shared
  • Right to delete personal information
  • Right to opt-out of sale/sharing (we don't sell your data)
  • Right to non-discrimination for exercising your rights
  • Right not to be subject to automated decision-making
  • Right to human review of automated decisions
  • Right to lodge complaints with supervisory authorities

Children

Billix is not intended for children under 13 years of age.

Updates to This Privacy Policy

We may update this Privacy Policy from time to time.

FAQS

Frequently Asked Questions

Find quick, helpful explanations about features, pricing, integrations, and how Billix fits into your workflow.

Yes. The full Billix codebase lives at github.com/Billixio/billix_agent_main under a permissive open source license. Every feature is in the repo — there's no closed paid tier hiding the good stuff.

You can use the hosted version at billix.io for free, or clone the repo and self-host on your own hardware.

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