Cookie Policy
Last updated: May 11, 2026
This Cookie Policy explains how Oleksandr Lukhanin (“we,” “us,” or “our”) uses cookies and similar technologies on https://sermary.com (the “Website”). We believe in being straightforward about how we use technology, so we’ve kept this policy short and specific to what we actually do.
What are cookies?
Cookies are small text files that websites place on your device to remember information about your visit. They help websites function properly, keep you logged in, and process secure payments.
What cookies we use
Sermary uses only essential cookies — the ones required for the service to work. We do not use advertising, analytics, tracking, or social media cookies.
Authentication cookies
- Provider
- Supabase (privacy policy)
- Names
- sb-access-token, sb-refresh-token
- Purpose
- Keep you securely signed in to your account and refresh your session.
- Duration
- Up to 30 days
Payment processing cookies
- Provider
- Stripe (privacy policy)
- Name
- __stripe_mid
- Purpose
- Fraud prevention and secure payment processing when you subscribe to a paid plan. Only set when you visit our pricing page or checkout.
- Duration
- Up to 1 year
What we don’t use
We want to be explicit about what Sermary does not use:
- ✗Advertising or marketing cookies
- ✗Analytics cookies (Google Analytics, Mixpanel, etc.)
- ✗Social media tracking pixels (Facebook, X, LinkedIn)
- ✗Third-party advertising networks
- ✗Behavioral profiling or retargeting cookies
- ✗Cross-site tracking
We don’t sell, rent, or share your data with advertisers. We also don’t use Flash cookies (Flash Player was discontinued by Adobe in 2020) or web beacons for marketing campaigns.
Your rights under GDPR
If you are in the European Union, European Economic Area, or United Kingdom, you have the following rights regarding your personal data:
- Access the personal data we hold about you
- Request correction of inaccurate data
- Request deletion of your data
- Object to processing of your data
- Request data portability
- Lodge a complaint with your local data protection authority. In Spain, this is the Agencia Española de Protección de Datos (AEPD).
To exercise any of these rights, email us at support@sermary.com.
How to control cookies
You can control and disable cookies through your browser settings:
Please note: if you disable the essential cookies listed above, you will not be able to sign in to your account or complete a subscription purchase.
Changes to this policy
We will update this Cookie Policy whenever our cookie usage changes. The date at the top of this page reflects the most recent revision. If we make significant changes, we will notify registered users by email.
Contact us
Questions about this Cookie Policy or how we handle your data?
Email: support@sermary.com
See also our Privacy Policy and Terms of Service.