Cookie Policy

Last updated: 30 June 2026

This policy covers cookies used on usecalyx.app (the marketing website) and portal.usecalyx.app (the clinic management platform). We use cookies to keep you signed in securely, remember your user preferences, and understand how our platform is being navigated.

1. What cookies are

Cookies are small text files placed and stored on your computer, tablet, or smartphone by your internet browser when you visit a website. They allow websites to remember specific details about your visit and configuration to make your experience smoother and safer.

2. Cookies we use

We classify our cookies into the following categories:

Strictly necessary (cannot be disabled)

These cookies are essential for platform operations and security, such as maintaining your authentication session:

Cookie	Purpose	Duration
sb-access-token	Supabase authentication and session security	Session
sb-refresh-token	Keeps your practitioner or admin account signed in between visits	7 days
calyx-clinic-id	Remembers your active clinic group and branch context	Session

Functional

These cookies allow us to remember specific customization choices you have made inside the dashboard:

Cookie	Purpose	Duration
calyx-preferences	Stores your layout preferences, such as default calendar grid view, sidebar toggle state, and active filters	30 days

Analytics (only active when enabled)

These cookies help us measure traffic, conversion rates, and how users interact with our public website:

Cookie	Purpose	Duration
_ga	Google Analytics - used to distinguish unique visitors on our public site	2 years
_ga_*	Google Analytics - maintains active navigation session status	2 years
ph_*_posthog	PostHog (EU) - product analytics and session replay on our public marketing and signup pages, to understand how visitors use the site and where they drop off before signing up. Form inputs are masked in recordings, and it never runs on the clinic dashboard or patient portal.	1 year

Marketing and advertising

These cookies help us measure our advertising and show relevant ads on Meta platforms (Facebook and Instagram) to people who have visited us. They run only on our public website (usecalyx.app), never on the clinic platform:

Cookie	Purpose	Duration
_fbp	Meta (Facebook) Pixel - measures the effectiveness of our advertising and supports remarketing to our visitors on Facebook and Instagram	3 months

3. What we do not do

We never sell, trade, or rent your personal data. Advertising and analytics cookies run only on our public marketing and signup pages, never on the authenticated clinic dashboard or patient portal, and we never share patient or clinical information with Meta, Google, or any other advertising network.

4. Managing cookies

You can easily block or delete cookies through your browser settings. Please note that if you choose to disable strictly necessary cookies, you will not be able to log in or access your dashboard. Most standard browsers allow you to block third-party analytics cookies while keeping necessary functional cookies enabled.

5. Policy changes

We will update this Cookie Policy if we alter the cookies used by our services. Any material revisions will be explicitly highlighted to you via our website interface or cookies banner.

6. Contact

Calyx is operated by Calyx Clinical Systems Ltd (company no. 17289410). For any queries about cookies or your data, contact data@usecalyx.app, or see our Privacy Policy.