Notification Notice
External push notifications, in-app alerts, chat indicators, system announcements, and user controls.
Last updated: September 1, 2026
72 separates system notices from offer and chat activity. The system-notification tab is reserved for 72 announcements, support, and operational messages; offer and chat activity belongs to its relevant surface.
Notification types
External FCM/APNs pushes can announce an offer, acceptance, new chat, message, support response, security event, or service notice. In-app banners and sounds operate while the app is active.
Controls
Global external and in-app controls are available in Settings. A permanent chat can separately mute that person's external or in-app notifications.
Badges and delivery
Badges represent unseen items on the relevant tab and clear when the item is viewed according to product rules. Delivery can be delayed or suppressed by device, OS, network, permission, privacy, mute, or safety state.
Retired behavior
The former 12-hour matching availability and temporary-introduction expiry notifications are retired and must not be sent by the current catalog model.