Cookie Policy
As of June 2026
1. What are cookies?
Cookies are small text files stored on your device when you visit our website. They allow us to save your preferences and improve our services.
2. Which cookies do we use?
2.1 Technically necessary cookies
These cookies are strictly required for the operation of the platform and cannot be disabled. Without them, core features (login, payment, language settings) would not function.
| Service | Purpose | Duration | Provider |
|---|---|---|---|
| Supabase Auth | Session management, login state | Session / 7 days | Supabase Inc., EU (Frankfurt) |
| Stripe | Payment processing, fraud detection | Session / 1 year | Stripe Inc., USA (SCCs) |
| next-intl (NEXT_LOCALE) | Language preference (de/en) | 1 year | Local, no data transfer |
| Referral code | Stores referral code at registration | 30 days | Local (localStorage), no data transfer |
2.2 Analytics cookies (opt-in)
These services are only activated with your explicit consent. They include Vercel Analytics and Vercel Speed Insights for anonymous usage statistics.
2.3 Marketing cookies
We currently do not use any marketing or advertising cookies.
3. Your consent and withdrawal
On your first visit, a cookie banner will be displayed where you can grant or deny consent for non-essential cookies. You can withdraw your consent at any time by clicking “Cookie Settings” in the footer.
4. Contact
For questions about this Cookie Policy, please contact: privacy@winbase.io