Cookie Policy
Last updated: 12 September 2025
1. Introduction
This Cookie Policy explains how Kai Technology Labs Ltd ("Kai", "we", "us", or "our") uses cookies and similar tracking technologies on our websites and applications. This policy should be read alongside our Privacy Policy.
2. What Are Cookies?
Cookies are small text files placed on your device when you visit a website. They help websites remember your preferences, improve your experience, and provide analytics about site usage.
3. How We Use Cookies
We use cookies for the following purposes:
- Authentication: Keep you signed in securely
- Security: Protect against fraud and unauthorized access
- Preferences: Remember your settings and choices
- Analytics: Understand how you use our Service
- Marketing: Measure advertising effectiveness (with consent)
We use a consent banner to control non-essential cookies and do not set analytics or marketing cookies unless you opt in.
4. Types of Cookies We Use
4.1 Essential Cookies
These cookies are necessary for the Service to function and cannot be disabled.
| Cookie Name | Provider | Purpose | Duration |
|---|---|---|---|
| __clerk_db_* | Clerk | User authentication database | Session |
| __clerk_handshake | Clerk | Authentication handshake | Session |
| __session | Clerk | Session management | 7 days |
| __session_* | Clerk | Session data | 7 days |
| clerk_active_context | Clerk | Active authentication context | Session |
| cf_clearance | Cloudflare | Security verification | Session |
| _csrf | Kai | CSRF protection token | Session |
| __client_uat | Usersnap | Support widget authentication | Session |
| __client_uat_* | Usersnap | Support widget data | Session |
4.2 Analytics Cookies
These cookies help us understand how visitors use our Service. They require your consent.
| Cookie Name | Provider | Purpose | Duration |
|---|---|---|---|
| _dd_s | DataDog | Performance monitoring | Session |
| ph_* | PostHog | Usage analytics (marketing site only) | 1 year |
4.3 Marketing Cookies
These cookies track advertising effectiveness and require your consent.
| Cookie Name | Provider | Purpose | Duration |
|---|---|---|---|
| _gcl_au | Ad conversion tracking | 90 days | |
| __Secure-ENID | Google services integration | 13 months | |
| SOCS | Cookie consent storage | 13 months | |
| IDE | Ad targeting | 1 year | |
| DV | User preferences | 7 minutes | |
| AEC | Security check | 6 months |
5. Third-Party Cookies
Some cookies are set by third-party services we use:
- Clerk: Authentication and session management
- Stripe: Payment processing (on payment pages only)
- Google Analytics: Website analytics (marketing site only)
- DataDog: Application performance monitoring
- PostHog: Product analytics (marketing site only)
- Cloudflare: Security and performance
These third parties have their own privacy policies governing their use of cookies, and may create additional cookies not listed in the tables above.
6. Session Recording
With your explicit consent, we use DataDog Session Replay to record user sessions for improving user experience. This:
- Records your interactions with the Service
- Masks sensitive input fields automatically
- Can be disabled in your privacy settings
- Is off by default and requires opt-in
7. Email Tracking
Our email service provider (SendGrid) may use tracking pixels to:
- Confirm email delivery
- Track email opens and clicks
- Measure engagement rates
You can disable email tracking by:
- Using email clients that block images
- Clicking "unsubscribe" in marketing emails
- Contacting support@hellok.ai
8. Managing Your Cookie Preferences
8.1 Cookie Consent Banner
When you first visit our Service, you'll see a cookie consent banner where you can:
- Accept all cookies
- Reject all cookies
- Customize your preferences by category
Reject All Option. Our cookie banner presents "Reject All" and "Accept All" with equal prominence, and we do not set non-essential cookies until you have provided consent.
8.2 Browser Settings
You can control cookies through your browser settings:
- Block all cookies (may affect Service functionality)
- Delete existing cookies
- Set preferences for specific websites
8.3 Opt-Out Links
- Google Analytics: https://tools.google.com/dlpage/gaoptout
- Google Ads: https://adssettings.google.com
9. Impact of Disabling Cookies
If you disable cookies:
- Essential cookies: You won't be able to sign in or use the Service
- Analytics cookies: We won't be able to improve the Service based on usage patterns
- Marketing cookies: You may see less relevant advertisements
10. Cookie Retention
Cookies are retained for the periods specified in the tables above. Session cookies are deleted when you close your browser. Persistent cookies remain until their expiration date or until you delete them manually.
11. Updates to This Policy
We may update this Cookie Policy to reflect changes in our practices or legal requirements. We will notify you of material changes via:
- Email notification
- Service announcement
- Consent banner refresh
12. Contact Us
For questions about our use of cookies:
- Email: support@hellok.ai
- Post: 85 Great Portland Street, First Floor, London, W1W 7LT
For privacy concerns, see our Privacy Policy or contact the Information Commissioner's Office:
- Website: https://ico.org.uk
- Phone: 0303 123 1113
© 2025 Kai Technology Labs Ltd. All rights reserved.