Cookie Policy

How we use cookies and similar technologies.

Last updated: September 27, 2026

1. What cookies are

Cookies are small text files stored on your device when you visit a website. They allow a site to remember your actions and preferences, such as keeping you signed in.

2. How we use cookies

butterbook.ing uses essential cookies only — the cookies strictly necessary to sign you in, keep your session secure, and process payments. We do not use analytics, advertising, or tracking cookies.

3. Cookies we use

CookieSet byPurposeDuration
Session tokenbutterbook.ingKeeps you signed in to your account.Session / up to 30 days
CSRF tokenbutterbook.ingProtects against cross-site request forgery.Session
Callback / OAuth statebutterbook.ingSecurely completes sign-in, including Google sign-in.Session (transient)
__stripe_mid / __stripe_sidStripeFraud prevention during checkout.Up to 1 year / 30 minutes

5. Managing cookies

You can control or delete cookies through your browser settings. Please note that blocking essential cookies will prevent you from signing in or completing payments on the Platform.

6. More information

For how we handle personal information generally, see our Privacy Policy. Questions? Email legal@butterbook.ing.