Updated 4 August 2026

Cookie Policy

The cookies used by tendy.by, their purposes and legal bases, and how to manage them. All documents

1. General provisions

1.1. Publication of this Cookie Policy (the Policy) is one of the personal data protection measures required by Article 17 of the Republic of Belarus Law No. 99-З of 7 May 2021 “On Personal Data Protection” (the Law).

1.2. This Policy explains to users of tendy.by (the Website), owned by ООО «ДЕФАЙНТ», UNP 291880617, how, for what purposes, and on what legal basis personal data contained in cookies is collected, used, or otherwise processed.

1.3. For this Policy, cookies are text files stored in the internet browser of a user’s device, such as a computer or mobile phone, when visiting a website, to record and/or remember user actions. Other terms have the meanings defined by the Law.

1.4. Cookie consent is managed through the Probo banner (trust.tendy.by). Category choices are stored in the probo_consent cookie and the Probo consent log.

1.5. In addition to cookies, the Website may use browser localStorage to save the light/dark theme and the Probo visitor identifier. The theme is not sent to the server and is not a cookie.

2. Cookie categories

2.1. The Website uses cookies in these categories according to purpose: necessary; functional; targeting (analytics, statistics, and advertising, only with the User’s consent).

2.2. Cookies may be session cookies, deleted when the browser closes, or persistent cookies, stored until expiry or deletion by the User.

Cookie categoryPurposeRetention period
NecessaryCorrect Website operation, user authentication, session security, and protection against unauthorized accessUsually for the session; individual authentication cookies: up to 1 year or until sign-out
FunctionalRemembering interface settings, such as account sidebar stateUp to 7 days after creation
Targeting: analytics and statisticsCollection and processing of anonymized or aggregated Website usage information to improve the productUp to 2 years depending on the tool, or until consent is withdrawn
Targeting: advertisingPersonalized marketing offers and advertising effectiveness measurement1 month after consent, when the corresponding tools are connected

3. Legal bases for cookie processing

3.1. Necessary cookies ensure full and correct Website operation and are processed regardless of whether the User gives consent.

3.2. Functional cookies improve the user experience after registration and sign-in. The legal basis is a contract (paragraph 15, Article 6 of the Law), as they remember interface settings while services are provided under the contract.

3.3. Targeting cookies for analytics, statistics, and advertising are processed only with consent to personal data processing. On the first Website visit, the User can accept necessary cookies, accept all categories, or customize cookie usage.

3.4. The User may change cookie settings, including withdrawing previous consent, through the “Cookie settings” link in the footer, which opens the Probo panel, or through browser settings.

4. Cross-border cookie transfers

4.1. Authentication cookies are processed when accessing the Service API on ООО «Надежные программы» (Hoster.by) infrastructure in the Republic of Belarus.

4.2. When tendy.by pages load, technical cookies and request headers are processed on ООО «Надежные программы» (Hoster.by) infrastructure in the Republic of Belarus; this processing in Belarus is not a cross-border transfer of personal data.

4.3. When third-party analytics services (Google Analytics, Yandex Metrica, and PostHog) are used, technical data and identifiers may be transferred across borders to the third parties listed in the Appendix only after the User consents to analytics cookies.

5. Data subject rights

5.1. Data subject rights and how to exercise them are set out in section 5 of the Operator’s Personal Data Processing Policy.

5.2. The full Personal Data Processing Policy is available at https://tendy.by/legal/privacy. Send requests to exercise rights to privacy@tendy.by.

6. Disabling cookies in browser settings

6.1. Most browsers accept cookies by default. Users can delete previously stored cookies using the relevant browser history option. Some browsers offer an incognito mode to limit the information stored.

6.2. Users can also disable cookies in browser settings. Disabling necessary cookies may cause some Website features, including sign-in, to work incorrectly.

6.3. Details on cookie management are available on the official websites of Google Chrome, Mozilla Firefox, Apple Safari, and Microsoft Edge.

7. Changes to the Policy

7.1. The Operator may amend this Policy and notifies users of significant changes through the Service or by email. A new version takes effect no earlier than 10 calendar days after publication on the website, unless the text specifies another date.

7.2. The current Policy is available at tendy.by/legal/cookies.

8. Contact details

For cookie and personal data processing questions: privacy@tendy.by.

For general Service questions: hello@tendy.by.

Appendix. Cookies and service providers

The cookies and services used when this Policy was published are listed below. The list is updated when the tools change.

Cookie / serviceCategoryPurposeDurationOperator / provider
sb-*-auth-token (GoTrue authentication cookie names)NecessaryAuthentication and user session maintenanceSession or persistent, according to authentication service settingsООО «ДЕФАЙНТ» / Tendy.by API (ООО «Надежные программы» (Hoster.by), Republic of Belarus)
probo_consentNecessaryStorage of cookie category choices through the Probo banner180 days (banner setting)Probo Inc. / trust.tendy.by (hosting and processing: ООО «Надежные программы» (Hoster.by), Republic of Belarus)
sidebar_stateFunctionalSaving sidebar state in the user account7 daysООО «ДЕФАЙНТ» / ООО «Надежные программы» (Hoster.by) (Republic of Belarus)
PostHog Conversations (support widget), localStorage / chat cookie identifiersFunctionalOnline support chat and storage of the user’s inquiry historyAccording to PostHog settings or until deletion by the UserPostHog Inc. / PostHog EU Cloud
ООО «Надежные программы» (Hoster.by): tendy.by hostingNecessaryPage display, server route execution, and processing technical headers and session cookies in transitDuring request processing; technical logs follow the Operator’s and provider’s retention rulesООО «Надежные программы» (Hoster.by) (Republic of Belarus)
Google Tag Manager (GTM-KXQ43Q2P)AnalyticsLoading and managing web analytics tags, only after consent to analytics cookiesDoes not itself set cookies; loaded after consentGoogle Ireland Limited (EU); loading gtm.js is a cross-border transfer with consent
_ga, _ga_* — Google Analytics 4AnalyticsMeasuring visits, referral sources, and Website page usage, only after consentUp to 2 years or until consent is withdrawnGoogle Ireland Limited (EU); cross-border transfer with consent
_ym_uid, _ym_d, _ym_isad, _ym_visorc — Yandex MetricaAnalyticsWebsite visit and interaction statistics, only after consentFrom 30 minutes to 1 year, or until consent is withdrawnYANDEX LLC / Yandex infrastructure; cross-border transfer with consent
ph_*_posthog — PostHogAnalyticsProduct analytics, usage events, error diagnostics, and distributed tracing, only after consentUp to 1 year or until consent is withdrawnPostHog Inc. / PostHog EU Cloud; cross-border transfer with consent