Privacy Policy
Effective for all versions of XOS Kit
Summary: XOS Kit does not collect, store, or share any personal data. All user preferences are stored locally on your device. The extension only makes network requests to fetch public cryptocurrency market data.
1. About XOS Kit
XOS Kit is a browser extension developed by XOS Labs. It provides real-time cryptocurrency market data including prices, exchange premiums, funding rates, open interest, long/short ratios, TD Sequential indicators, market sentiment, and global market statistics.
The extension displays this data in a browser popup or side panel. It does not interact with, modify, or read any web pages you visit.
2. Information We Do Not Collect
XOS Kit does not collect any of the following:
- Personal information (name, email, phone number, address)
- Authentication or login credentials
- Browsing history, visited URLs, or page content
- Cookies, tracking pixels, or fingerprinting data
- IP addresses or geolocation data
- Usage analytics or telemetry
- Financial or wallet information
3. Data Stored Locally
The extension uses Chrome's chrome.storage.local API to store user preferences on your device. This data is never transmitted to any server.
| Data | Purpose |
|---|---|
| Language preference | Display the UI in your chosen language |
| Icon badge setting | Show selected price or sentiment on the extension icon |
| Visible coins setting | Control which coin cards appear on the dashboard |
| Cached market data | Display data immediately when opening the extension |
You can clear all locally stored data at any time by removing the extension from your browser.
4. Network Requests
The extension periodically connects to the XOS Kit backend server to retrieve public cryptocurrency market data. These requests:
- Contain no user-identifying information
- Do not include cookies, tokens, or authentication headers
- Are made solely to fetch market prices and statistics
- Use HTTPS for secure communication
5. Third-Party Data Sources
The XOS Kit backend aggregates data from the following public APIs. No user data is forwarded to these services:
| Service | Data Provided |
|---|---|
| Binance | Spot prices, 24h ticker, klines, funding rates, open interest, ratios |
| Coinbase | Spot prices (for premium calculation) |
| CoinMarketCap | Global market cap, BTC/ETH dominance |
| Alternative.me | Fear & Greed Index |
6. Permissions Explained
| Permission | Why It's Needed |
|---|---|
storage | Save your language, display preferences, and cached data locally |
alarms | Schedule periodic background data refresh (every 30 seconds when open, every 5 minutes when closed with badge enabled) |
sidePanel | Allow pinning the dashboard to the browser side panel |
host_permissions | Connect to the XOS Kit backend API server |
7. Children's Privacy
XOS Kit is not directed at children under 13. We do not knowingly collect any information from children.
8. Changes to This Policy
We may update this privacy policy as the extension evolves. Any changes will be reflected on this page. Continued use of the extension after changes constitutes acceptance of the updated policy.
9. Contact
If you have questions about this privacy policy, you can reach XOS Labs through: