Legal
Cookie Policy
Fyber uses a small set of cookies to keep you signed in and to keep checkout fraud-resistant. We don't run advertising cookies.
Last updated: May 6, 2026
What this policy covers
This policy explains the cookies and similar technologies (local storage, session storage) that Fyber One Limited ("Fyber") uses on fyber.one, console.fyber.one, pay.fyber.link, and our subdomains.
What cookies we use
| Name | Type | Purpose | Duration |
|---|---|---|---|
| Theme preference cookie | Strictly necessary | Remembers your light/dark theme choice | 1 year |
| Merchant session cookie | Strictly necessary | Authenticates merchants signed into the dashboard | 24 hours (sliding) |
| Admin session cookie | Strictly necessary | Authenticates Fyber staff signed into the admin tools | 8 hours (sliding) |
| Device fingerprint cookie | Functional | Helps detect fraud on hosted checkout pages | 1 year |
| Error tracking session id | Functional | Lets us correlate errors to a session for debugging | 30 minutes |
| Cookie consent flag | Strictly necessary | Remembers that you dismissed the cookie banner | Until cleared |
What we don't do
Fyber does not run third-party advertising cookies, cross-site tracking, or behavioural advertising on any of our properties. We do not sell or share your data with ad networks.
Your choices
Strictly necessary cookies cannot be disabled because the site won't work without them. Functional cookies can be cleared from your browser at any time. For checkout-specific fingerprinting, the merchant whose checkout you're on decides whether device intelligence is enabled.
Children's data
Our products are not directed to children under 13. We do not knowingly process data from children.
Updates
We'll update this page when our cookie use changes. Subscribe to notifications at privacy@fyber.one.