Blog · Privacy

Articles about privacy

Every castly article about privacy: practical guides with examples.

November 13, 2026 · PrivacyGDPR and push notifications: consent, data and responsibilitiesWhat personal data a push subscription holds, when the browser prompt is not enough, how to make opting out easy and who is responsible for what. Inf…

Send your first push notification today.

Create a project, add the SDK and send with one API call. Free to start.

Create a free account →