Privacy Policy
Last updated May 8, 2026
1. Introduction
Chartly ("we," "our," or "us") operates the Chartly chart rendering service (the "Service"). This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our Service.
By using our Service, you agree to the collection and use of information in accordance with this Privacy Policy.
2. Information we collect
2.1 Personal information
- Email address (when you create an account)
- Password (hashed before storage)
- Billing information (processed by Stripe — we never see card data)
- API usage patterns and statistics
2.2 Chart data
- Chart configurations submitted for rendering
- Generated chart images (temporarily cached for performance)
- Request metadata (timestamp, dimensions, format)
2.3 Technical information
- IP address and approximate geolocation
- Browser type and version
- Device information
- Usage analytics and performance metrics
3. How we use your information
- Provide and maintain our chart rendering service
- Process your API requests and generate charts
- Manage your account and provide customer support
- Process payments and manage billing
- Monitor usage for billing and rate limiting
- Improve our service performance and features
- Ensure compliance with our terms of service
- Detect and prevent fraudulent activity
4. Data storage and retention
4.1 Chart caching
Generated charts are cached temporarily to improve performance:
- Trial accounts: 30 days
- Starter plan: 60 days
- Growth plan: 90 days
- Max plan: 1 year
- Enterprise: custom retention periods
4.2 Account data
We retain your account information for as long as your account is active or as needed to provide services. After account deletion, personal data is removed within 30 days, except where retention is required by law.
5. Data sharing and disclosure
We do not sell, trade, or rent your personal information to third parties. We may share your information only in the following circumstances:
- Service providers — with trusted third-party services (Stripe for payments, Cloudflare for infrastructure).
- Legal requirements — when required by law or to protect our rights.
- Business transfers — in connection with a merger, sale, or acquisition.
- Consent — with your explicit consent for other purposes.
6. Security
- All data transmission is encrypted using TLS 1.3
- Passwords are hashed using industry-standard algorithms
- API keys are securely generated and stored
- Regular security reviews and vulnerability assessments
- SOC 2 Type II compliance available on Enterprise plans
- Data processing on Cloudflare's edge network
7. Your rights
7.1 Access and control
- View and update your account information
- Download your data through the dashboard
- Delete your account and associated data
- Opt out of non-essential communications
7.2 Data portability
You can export your usage data, API keys, and account information at any time through the dashboard or by contacting support.
8. International data transfers
Our services run globally on Cloudflare's edge network. Data may be processed in various countries, but we ensure appropriate safeguards are in place to protect your information in accordance with this Privacy Policy.
9. Cookies and tracking
- Essential cookies — required for service functionality.
- Analytics — PostHog for usage analytics (can be disabled).
- Session management — to keep you logged in.
- Preferences — to remember your settings.
10. Children's privacy
Our Service is not intended for children under 13 years of age. We do not knowingly collect personal information from children under 13. If you become aware that a child has provided us with personal information, please contact us.
11. Changes to this policy
We may update this Privacy Policy from time to time. We will notify you of any changes by posting the new policy on this page and updating the "Last updated" date. Please review this Privacy Policy periodically for changes.
12. Contact
If you have any questions about this Privacy Policy or our data practices, please get in touch:
- privacy@chartly.dev
- Company
- Maso Apps Ltd
- Registration
- 09271203