#Push Notifications

Backend · calendar_today Jun 9, 2026 · schedule 5 min read

One Notification System to Rule Every Channel

Intent vs delivery as the founding seam: a typed notification catalog, a preference engine that resolves instead of looks up, queue-per-channel adapters, digesting, and the build order that avoids the rewrite.

Mobile · calendar_today Jun 2, 2026 · schedule 5 min read

Push Notifications: Managing the Token Lifecycle Nobody Talks About

Permission as a spendable one-shot resource, the token registry your backend must own, deep links as versioned contracts, sending discipline with collapse keys and quiet hours, and the four health metrics.

Mobile · calendar_today May 29, 2026 · schedule 5 min read

OneSignal End to End: SDK, Segments and the Backend That Sends

External IDs as the one crucial decision, the logout() that prevents privacy incidents, permission etiquette that triples opt-ins, REST sends with collapse keys, and the delivery feedback loop everyone skips.