I updated my method: func application(_ application: UIApplication, didRegisterForRemoteNotificationsWithDeviceToken deviceToken: Data) { let token = deviceToken.map { String(format: "%02.2hhx", $0) }.joined() } and my token is serialized into a hex. The logs of my job are sayimg that it was executed with no issue: 2025-01-24T01:45:16.343Z pid=104 tid=11a4 class=ApnsNotificationJob jid=93d701749b07ec517c5af0dc INFO: start I, [2025-01-24T01:45:16.343727 #104] INFO -- : [ActiveJob] [ApnsNotificationJob] [bd0856b9-b4a6-4a64-bf56-2e630903b66a] Performing ApnsNotificationJob (Job ID: bd0856b9-b4a6-4a64-bf56-2e630903b66a) from Sidekiq(default) enqueued at 2025-01-24T01:45:15.648814696Z I, [2025-01-24T01:45:16.682414 #104] INFO -- : Notification sent successfully to 227 on device ios I, [2025-01-24T01:45:16.720211 #104] INFO -- : [ActiveJob] [ApnsNotificationJob] [bd0856b9-b4a6-4a64-bf56-2e630903b66a] Performed ApnsNotificationJob (Job ID: bd0856b9-b4a6-4a64-bf56-2e630903b66a) from Sidekiq(default) in 376.5ms 2025-01-24T01:45:16.720Z pid=104 tid=11a4 class=ApnsNotificationJob jid=93d701749b07ec517c5af0dc elapsed=0.377 INFO: done I checked and I use the aps prod cert, in xcode i enabled push notifications and i set the aps env to prod. I also enabled push notification for the app on testflight