This Privacy Policy explains how Hangzhou Cejie Intelligent Technology Co., Ltd. ("we", "us", "our") collects, uses, stores, and protects your information when you use Proberank AI at https://proberank.com (the "Service").
We aim to comply with applicable data protection laws, including where applicable the GDPR (EU/EEA), CCPA/CPRA (California), and PDPO (Hong Kong).
By using the Service, you agree to this Privacy Policy. If you do not agree, please do not use the Service.
1. Information We Collect
1.1 Information you provide
We may collect information that you provide directly, including:
(a) Account details
- Email address
- Password (stored in hashed form)
- Username or display name
(b) Content and usage data
- Prompts, text, files, and other content you input into the Service
- Feedback you provide on outputs
- Support requests and communications
(c) Billing and subscription information
- Plan type and subscription status
- Payment details handled by third-party payment processors (we do not store full card numbers)
1.2 Automatically collected data
When you access or use the Service, we may automatically collect:
- IP address and approximate location
- Device identifiers, operating system, and browser type
- Log data (timestamps, pages visited, features used, error logs)
- Cookie data and similar identifiers
- Interaction data (clicks, usage patterns, referral URLs)
1.3 Generated output and safety data
The AI model processes your prompts and generates content. Input and Output may be temporarily or persistently stored for:
- Providing and improving the Service
- Debugging and reliability
- Abuse detection and security
- Model quality and safety improvements (where we use anonymized, aggregated, or de-identified data)
We may use automated systems and limited human review (in high-risk or flagged cases) to monitor for abuse, misuse, or security threats in line with our AI Content Safety rules.
2. How We Use Your Information
We use the information we collect for the following purposes:
2.1 To operate and provide the Service
- Authenticate users and maintain accounts
- Process requests and generate AI outputs
- Provide customer support and technical assistance
2.2 To improve and develop the Service
- Analyze usage and performance
- Fix bugs and improve reliability
- Train and refine models and safety systems using anonymized or aggregated data
2.3 To handle payments and subscriptions
- Manage one-time payment orders and invoices
- Coordinate with payment processors
- Prevent fraudulent transactions
2.4 To ensure security and prevent abuse
- Detect and prevent spam, abuse, and policy violations
- Monitor for suspicious patterns or attacks
- Enforce our Terms of Service and AI Content Safety rules
2.5 To communicate with you
- Send service-related notices and updates
- Inform you about changes to our policies, features, or pricing
- Send marketing or promotional communications where permitted by law and your preferences
2.6 To comply with legal obligations
- Respond to lawful requests from authorities
- Maintain records required by law
- Enforce and defend our legal rights
We do not sell your personal data.
3. Legal Bases for Processing (GDPR)
For users in the EU/EEA (and similar jurisdictions), we rely on one or more of the following legal bases:
- Contract necessity: Processing required to provide and operate the Service you requested.
- Legitimate interests: Improving the Service, preventing abuse, ensuring security, and operating our business in a way that does not override your rights and freedoms.
- Legal obligations: Compliance with tax, accounting, or regulatory requirements.
- Consent: Where required (e.g., for certain cookies or marketing), we rely on your consent, which you can withdraw at any time.
4. Sharing of Information
We do not sell your personal data. We may share information with:
4.1 Payment processors
- Alipay and related payment clearing providers
- Used to process payments and detect fraud
4.2 Cloud hosting and infrastructure providers
- For secure storage, compute infrastructure, and content delivery
4.3 Analytics and monitoring providers
- Tools such as Google Analytics, Cloudflare Analytics, error tracking, and logging services
- Used to understand usage and improve performance
4.4 Security and abuse prevention services
- Services that help monitor, detect, and mitigate fraud, abuse, or attacks
4.5 Professional advisors and legal authorities
- Lawyers, auditors, and regulators when required by law or necessary to protect our rights
If we are involved in a merger, acquisition, or asset sale, your information may be transferred as part of that transaction subject to applicable law.
5. International Data Transfers
Your data may be processed and stored on servers located in regions such as the EU, the United States, Singapore, or other jurisdictions, depending on operational needs.
Where required, we adopt appropriate safeguards, which may include:
- Standard Contractual Clauses (SCCs)
- Data Processing Agreements (DPAs)
- Technical and organizational measures to protect data
6. Data Retention
We retain your personal data only for as long as necessary to:
- Provide and maintain the Service
- Comply with legal, tax, or accounting requirements
- Resolve disputes and enforce our agreements
Account-level data may be retained for a reasonable period after account closure for record-keeping and legal obligations, unless you request deletion where applicable.
We may retain anonymized or aggregated data that does not identify you for longer periods for analytics, research, and service improvement.
7. Your Rights (GDPR / CCPA and similar)
Depending on your jurisdiction, you may have some or all of 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 limitations.
- Portability: Request a copy of your data in a structured, commonly used format where technically feasible.
- Restriction / objection: Request restriction of certain processing or object to processing based on legitimate interests.
- Opt-out (CCPA/CPRA): Opt out of certain data sharing or targeted advertising, where applicable.
To exercise these rights, contact us using the details in Section 12. We may need to verify your identity before responding.
8. Cookies and Similar Technologies
We use cookies and similar technologies to:
- Enable login sessions and core functionality
- Remember preferences and settings
- Analyze website traffic and usage patterns
- Support security and fraud prevention
For more details, including how to manage your preferences, see our Cookie Policy.
9. Children's Privacy
The Service is not intended for children under 13 years old (or equivalent minimum age in your jurisdiction).
We do not knowingly collect personal data from children under this age.
If you believe a child has provided us with personal data, contact us and we will take appropriate steps to delete such data where required by law.
10. Data Security
We use industry-standard measures to protect your data, including:
- Encryption in transit (e.g., HTTPS/TLS)
- Access controls and authentication
- Regular monitoring and logging
- Secure hosting environments
However, no system can be guaranteed 100% secure. You are responsible for keeping your account credentials confidential and notifying us promptly of any suspected compromise.
11. Changes to This Privacy Policy
We may update this Privacy Policy from time to time to reflect changes in laws, technologies, or our services.
Changes will be posted on https://proberank.com/privacy (or equivalent URL).
The "Effective Date" will be updated accordingly.
Where required by law, we will provide additional notice or seek consent for material changes.
Your continued use of the Service after changes take effect constitutes your acceptance of the updated policy.
12. Contact
For privacy-related questions or requests, contact:
- Email: support@proberank.com
- Company: Hangzhou Cejie Intelligent Technology Co., Ltd.
- Website: https://proberank.com
