Privacy Policy
Last Updated: January 7, 2026
Introduction
API/OS Reference (“we”, “our”, or “us”) is committed to protecting your privacy. This Privacy Policy explains how we collect, use, and safeguard information when you visit our website at reference.apios.info.
Information We Collect
Automatically Collected Information
When you visit our website, we may automatically collect:
- Browser Information: Browser type, version, and language preferences
- Device Information: Device type, operating system, screen resolution
- Usage Data: Pages visited, time spent on pages, navigation paths
- Technical Data: IP address (anonymized), referrer URL, access times
Cookies and Local Storage
We use minimal cookies and browser storage for:
- Theme Preferences: Your selected theme (light/dark/system) is stored in localStorage
- Navigation State: Expanded/collapsed categories are saved in localStorage for better UX
- Search History: Recent searches stored locally in your browser (not transmitted to servers)
Important: All storage is client-side only. No data is sent to our servers.
Information We Do NOT Collect
- ❌ Personal identification information (name, email, address)
- ❌ Financial information
- ❌ Account credentials
- ❌ Tracking data for advertising purposes
- ❌ Analytics data (no Google Analytics or similar)
How We Use Information
We use automatically collected information solely for:
- Improving User Experience: Understanding which terms are most popular
- Technical Optimization: Identifying performance issues
- Security: Detecting and preventing abuse
We DO NOT:
- ❌ Sell or share your data with third parties
- ❌ Use data for targeted advertising
- ❌ Track you across other websites
- ❌ Build user profiles
Third-Party Services
Content Delivery Networks (CDNs)
We use the following CDNs to deliver assets:
- Tailwind CSS CDN (cdn.tailwindcss.com) - CSS framework
- Google Fonts (fonts.googleapis.com) - Web fonts (Inter, JetBrains Mono)
- jsDelivr CDN (cdn.jsdelivr.net) - JavaScript libraries (Mermaid.js, Alpine.js)
- Cloudflare CDN (cdnjs.cloudflare.com) - Prism.js for syntax highlighting
These services may collect basic request information (IP address, user agent) according to their own privacy policies:
Hosting
Our website is hosted on Cloudflare Pages. Cloudflare may collect basic server logs (IP address, request URL, timestamp) for security and performance purposes. See Cloudflare Privacy Policy.
Data Storage and Security
- Client-Side Only: Theme preferences and navigation state are stored in your browser’s localStorage
- No Server Storage: We do not maintain a database of user information
- HTTPS: All connections use encrypted HTTPS
- No Registration: No user accounts, no passwords, no personal data collection
Your Rights (GDPR/CCPA)
Even though we collect minimal data, you have the right to:
- Access: Request information about data we may have
- Deletion: Clear your browser’s localStorage to remove all stored preferences
- Opt-Out: Disable JavaScript to prevent localStorage usage
- Portability: Export your localStorage data from browser developer tools
To exercise these rights or ask questions, contact: [email protected]
Children’s Privacy
Our website is not directed to children under 13. We do not knowingly collect information from children. The content is technical documentation intended for developers.
Changes to This Policy
We may update this Privacy Policy occasionally. Changes will be posted on this page with an updated “Last Updated” date. Continued use of the website after changes constitutes acceptance of the updated policy.
International Users
Our website is accessible worldwide. By using our service, you consent to the transfer and processing of information in accordance with this Privacy Policy.
Contact Us
If you have questions about this Privacy Policy, please contact us:
- Email: [email protected]
- Website: https://apios.info
Summary: We collect minimal technical data, use client-side storage only, don’t track you, don’t sell data, and respect your privacy.
Related Pages: