# S2S notifications

- [Server-to-server notifications ?](/purchasely/3.4/stores-configuration/server-to-server-notifications.md)
- [Apple App Store](/purchasely/3.4/stores-configuration/app-store.md)
- [Google Play Store](/purchasely/3.4/stores-configuration/play-store.md)
- [Huawei App Gallery](/purchasely/3.4/stores-configuration/huawei-app-gallery.md)
- [Amazon App Store](/purchasely/3.4/stores-configuration/amazon-app-store.md)