Notifications

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Learn about the technical aspects of notification delivery on device, including notification types, priorities, and notification center management.

Notifications Documentation

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IMAP Extension XAPPLEPUSHSERVICE — Access to specific APNS Topic
Hi, I’m looking for guidance on enabling push notifications for new emails in the native iOS Mail app (com.apple.mobilemail). Currently, I send push notifications using macOS Server (formerly OS X Server) Mail, but since it has been discontinued and renewal is no longer possible, I want to transition to the standard method used by email providers to notify the stock Mail app about new messages. To achieve this, I need access to the com.apple.mobilemail.push.com.zuplu APNs topic. This follows the same pattern used by other providers: iCloud: com.apple.mobilemail.push.com.me.mail.castle Fastmail: com.apple.mobilemail.push.com.fastmail Since Fastmail (as a third-party provider) has access to this, I assume there is a way for independent mail providers to integrate with XAPPLEPUSHSERVICE. In the interest of a free market and fair competition, I trust that Apple provides a means for email providers to notify the stock Mail app of IMAP server changes, allowing it to fetch new messages instantly. Under EU competition law, particularly Article 102 TFEU, dominant companies must not engage in anti-competitive behavior, including restricting access to essential services in a discriminatory manner. Furthermore, the Digital Markets Act (DMA) explicitly prohibits gatekeepers from favoring their own services or restricting interoperability without justification. Any insights or official guidance would be greatly appreciated! Thanks, DragonWork
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Jul ’25
Clarification on Timing for Critical Alerts Approval in iOS
We are currently planning the development of an iOS healthcare application that will require the use of Critical Alerts. I understand that these notifications bypass Do Not Disturb and Silent mode, and therefore require special entitlement from Apple. We understand that Critical Alerts require a special entitlement from Apple. Could you please clarify: Do we need to request and obtain Apple’s approval for Critical Alerts before we begin development of the app? Or can we apply for this entitlement after we have a working build or prototype ready? We want to ensure compliance and streamline our development process, so any guidance on the appropriate timing for the entitlement request would be greatly appreciated.
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Jul ’25
[iOS 26 beta] Unexpected Behavior: didRegisterForRemoteNotificationsWithDeviceToken Invoked Before User Notification Authorization on iOS 26 Beta
I'm encountering an issue with our legacy Objective-C codebase that uses UIApplicationDelegate. Here are the steps to reproduce the issue: Uninstall the application from the device. Install and launch the application. As part of the launch event, the client requests notification permission. The permission prompt is still displayed, even though the client receives a remote notification token (which appears to be a cached one). I followed the same steps with a sample app built with Swift (SwiftUI), and this issue did not occur. In the Swift app, I consistently received a delegate<didRegisterForRemoteNotificationsWithDeviceToken> call after the user allowed the notification permission. Could you please provide some insights into why this might be happening with only our client?
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Jul ’25
Live Activity "Push to Start" is received but UI never appears (Silent Crash)
Hello everyone, I'm implementing the "Push to Start" feature for Live Activities, and I've run into an issue where the activity seems to be processed by the system but never appears on the Lock Screen or in the Dynamic Island. I suspect there's a silent crash happening in my widget extension immediately after launch, but I'm unable to capture any logs or crash reports in the Xcode debugger. Here is the flow and all the relevant data: 1. The Process My app successfully requests a pushToStartToken using Activity<EJourneyLiveActivityAttributes>.pushToStartTokenUpdates The token is sent to our server. The server uses this token to send a "start" event APNs push notification. The device console logs (from liveactivitiesd) show that the push is received and the system is "Publishing event". Expected Result: The Live Activity UI appears on the device. Actual Result: Nothing appears. The UI is completely absent. 2. Device Console Logs Here are the logs from the device console, which indicate a successful receipt of the push: pushServer default 12:08:22.716353+0200 liveactivitiesd Received push event for com.wavepointer.ejourney.staging::pushToStart pushServer default 12:08:22.716818+0200 liveactivitiesd Reduced budget for com.wavepointer.ejourney.staging::pushToStart to: 7 pushServer default 12:08:22.723458+0200 liveactivitiesd Publishing event: timestamp: 2025-07-24 08:57:19 +0000; activityIdentifier: 53C3EE9D-623C-4F38-93AE-8BB807429DAA; eventType: start(...) 3. APNs Payload This is the exact payload being sent from our server: { "aps": { "event": "start", "timestamp": 1753347375, "attributes-type": "EJourneyLiveActivityAttributes", "attributes": { "journeyId": "test123453" }, "content-state": { "distanceInMeters": 1000, "depTime": 1752745104, "arrTime": 1752748704, "depStop": "Arth, Am See", "arrStop": "Oberarth, Bifang", "depZone": "571", "arrZone": "566", "co2Save": 5.0, "co2SavePerc": 44, "companyName": "WP Innovation", "countryCode": "CH", "categoryId": 5, "subcategoryId": 3, "stationStartAssoc": "Assoc1", "stationEndAssoc": "Assoc2" } } } 4. ActivityAttributes Struct To prevent decoding errors, I have made all properties in my ContentState optional and added a custom decoder. @available(iOS 16.1, *) struct EJourneyLiveActivityAttributes: ActivityAttributes, Hashable { public struct ContentState: Codable, Hashable { var distanceInMeters: Int = 0 var depTime: Int = 1752843769 var arrTime: Int = 1752843769 var depStop: String = "" var arrStop: String = "" var depZone: String = "" var arrZone: String = "" var co2Save: Double? var co2SavePerc: Int = 0 var companyName: String = "Test" var countryCode: String = "CH" var categoryId: Int = 3 var subcategoryId: Int = 4 var stationStartAssoc: String? var stationEndAssoc: String? } var journeyId: String? } What I've Tried I have carefully checked that my Codable struct matches the JSON payload. I've made all properties optional to avoid crashes from missing keys. I have tried attaching the Xcode debugger to the widget extension process (Debug -> Attach to Process...) before sending the push, but no logs, errors, or crash reports appear in the Xcode console. The process seems to terminate before it can log anything. My question is: What could cause the widget extension to fail so early that it doesn't even produce a crash log in the attached debugger? Are there other methods to debug this kind of silent failure? Any help would be greatly appreciated. Thank you!
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Jul ’25
APNs Returning 200 OK for Uninstalled Apps
We're experiencing an issue with Apple Push Notification service where APNs continues to return 200 OK responses for device tokens belonging to uninstalled applications. Issue Details: When sending push notifications to device tokens, APNs returns 200 OK responses even for devices where our app was uninstalled more than a month ago Thanks in advanced for support
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Jul ’25
iOS 18 Sending Duplicate Push Notifications
When sending a single push notification to iOS 18 devices users receive the same notification multiple times. This issue appears specific to iOS 18 and was not observed in previous iOS versions Our server logs confirm each notification is sent only once. Notification payloads include proper apns-id values for identification and no network issues detected on our side
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Jul ’25
Background timer
Hey everyone! I'm trying to develop an app that would need to send periodic notifications (every 20 minutes, for instance) to the user even when the app is not running (but only when the phone is being used). I've been reading through the prior comments and all about not being able to have a timer run in the background in the way I need it to, but I wanted to ask if there's any way around this, or is there truly no way? If there is no way to do this, I was just now considering another workaround, where I could try getting the time they open their phone, and from there, I schedule local notification for every 20 minutes or so for the entire day, and they keep sending until the phone is turned off, when the rest of the scheduled local notifications are cancelled. Is this possible? I would also appreciate any other suggests/workarounds for this. Happy to provide any additional details needed! Thanks!
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Jul ’25
Notifications not working
I’m receiving notifications from all third-party apps that I use however, most of the time there is no sound or haptics with the notification. In some cases, very seldomly I will receive a sound when a notification comes in, but that’s only with one of the many third-party apps that I use. I’ve spoken to Apple about this when this whole problem started during an update that you guys rolled out sometime between September and November 2024. They blamed it on the app programmers but I think at this point we all know that it’s Apple’s inability to accept that the problem is on their end. I never had problems receiving notifications from any of the apps prior to that. I guess my question is will Apple ever fix this or are they going to sweep it under the rug and pretend like it doesn’t exist?
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Jul ’25
APNs Returning 200 OK for Uninstalled Apps Instead of 410 Error
We're experiencing an issue with Apple Push Notification service where APNs continues to return 200 OK responses for device tokens belonging to uninstalled applications. Issue Details: When sending push notifications to device tokens. APNs returns 200 OK responses even for devices where our app was uninstalled more than a month ago According to documentation(https://developer.apple.com/documentation/usernotifications/handling-notification-responses-from-apns), APNs should return 410 status code with JSON body for invalid tokens Expected Behavior: APNs should return 410 status code when device token is no longer valid (app uninstalled) Thanks in advanced for support
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Jul ’25
Critical Notifications
Hey Together, I have seen that critical notifications need to be confirmed by apple to be used. Sadly I couldn't figure out where to ask for that. Context: I have a sports tournament app for Beach Handball. There are a couple of Courts like up to 20-25. The main use for that in my app would be to notify first aiders/Medics. Right now they are called in via Speakers or by the referees just writing that into a WhatsApp chat. As this takes a long time and the speakers can be deactivated due to rain, power shortage or even the medics sometimes are not in range to exactly hear the speakers calling them. To Speed up this process I want them to download the App, Register via an E-Mail or a One Time Code. Now if a referee needs immediate Help from the Medics on their court they can send the Critical alert to the Medics without having to write a chat into a WhatsApp group, to get a call through the speakers 10 minutes later which the medics may not even hear. A couple of weeks ago we had a player falling on her back/neck/head and they couldn't figure out if she broke her neck or not. Luckily the medics were right next to the court and saw that. but what would happen if they were a couple hundred of meters away and did not notice that? I mean the PA system was off due to a power shortage. someone trying to move her? Risking her death? And while we are at it we could add those notifications if a team is missing to a court for a game that already should've started. Critical because it is urgent. Those notifications are handled with care.
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Jul ’25
Provisioning Profile Missing Push Notification Entitlement (com.apple.developer.push-notifications) Despite Being Enabled
I'm running into an issue during the iOS build process for my app, and I'm hoping someone can point me in the right direction. ❗ The Problem When attempting to archive the app via EAS Build (Expo), the build fails with the following error: `Provisioning profile "HCF_AppStore_ProvisioningProfile" doesn't include the com.apple.developer.push-notifications entitlement. Profile qualification is using entitlement definitions that may be out of date. Connect to network to update.` What I’ve Already Done: Enabled Push Notifications capability for the App ID (com.rsmco.helpcreatefamilies) in the Apple Developer portal. Deleted and regenerated the App Store Provisioning Profile after enabling the capability. Confirmed the new profile is associated with the correct App ID and Distribution Certificate. Uploaded the new profile to EAS (Expo) and rebuilt the app. Yet the error persists during the Xcode archive step with Exit code 65. Additional Info: Provisioning Profile Name: HCF_AppStore_ProvisioningProfile App ID: com.rsmco.helpcreatefamilies Team: Reproductive Sciences Management Company, LLC Workflow: Expo EAS Build Capability causing issue: com.apple.developer.push-notifications
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Jul ’25
Push Notifications and VOIP call not working.
My App supports two services that is Push Notification for Alerts and a Voip Call feature whose notification also comes in the same way as of PushNotification but video rendering is done with GoogleWebRTC. The App was working perfectly fine but from past few months these services are not working.[ Nothing is changed in App and on the server side to push the notifications] Issues: VoIP (Video call) not working: I have apns certificate which is valid in today's date and stays with the backend Server. My server sends the payload notification to APNS but on iPhone am unable to receive it. I have checked the App registration part also and is able to receive the token for the same. Framework used are: PushKit, UserNotifications, GoogleWebRTC . I don't understand where is the gap, the backend triggers the APNS but there no response. Ports enabled on server are: 443, 5223, 2197, 2195, 2196. Similarly Push notification were also not working, So I tried to change it to register on Firebase for device registration token And did some coding at backend to send the notification to that device. It was working perfectly fine from last few weeks, but it suddenly stopped. I checked the JSON Payload and tried to send it through PostMan, in both it says 200 Success. And in Application end am waiting for breakpoint to hit in userNotificationCenter(_: , willPresent, completionHandler). What all I have checked: 1)My server to APNS server connectivity. 2)Verified the apns certificate. The certificate was created in October 2024, whose expiry is in Nov 2025 and it support both Sandbox and Production environment. 3)Checked required delegates are implemented in App. With the capability enable in it, is also sending registration token to backend. Kindly guide me where I can check in this flow. Thanks in Advance!
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Jul ’25
Push Notifications
以下の問題が発生しています: 特定のデバイスでプッシュ通知が受信されません。 考えられる原因は何でしょうか? プッシュ通知は自社のサーバーから送信しており、APNs(Apple Push Notification service)からは正常な応答が返ってきています。 ユーザーはデバイスで通知が有効になっていることを確認しており、ネットワークの問題も報告されていません。 この問題は複数のユーザーに発生しています。
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Jul ’25
PushKit with CallKit - CallKit not shown when app is in background or terminated
Hi team, I am developing VOIP feature using PushKit and CallKit but CallKit is not show when app in background or terminate state, now in foreground state I can call reportNewIncomingCall from pushRegistry-didReceiveIncomingPushWith and it's work as expected but the problem is in background or terminate state it's not my setup: PushKit is configured In Signing & Capabilities I add background modes (Remote notifications and Voice over IP) In info.plist I add <key>UIBackgroundModes</key> <array> <string>voip</string> I'm not sure should I create new VOIP Certificate but now I can receive message notification normally. Any help or suggestions would be greatly appreciated Thank you
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Jul ’25
No "Unregistered" Error Returned for Background Notifications
Hi team, We've observed that for all background notifications (where content-available set to true, https://developer.apple.com/documentation/usernotifications/pushing-background-updates-to-your-app#Create-a-background-notification), we never received any response with error string "Unregistered". This differs from non-background pushes, where expired tokens are regularly cleared. Is this the expected behavior (i.e., background notifications will not return an "Unregistered" error), or could this indicate an issue on our side? Thanks in advance for any clarification.
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Jul ’25
APNs Background Push Success but Wallet Pass Fails with ‘Unable to Deserialize JSON Payload’ on Device
I'm working on implementing Apple Wallet passes using background push notifications. My server successfully sends the push notification using APNs. The response from the server is HTTP/2 200, and the device receives the push — I can confirm this from device logs. However, the device logs show the following error: "Failed to parse JSON message payload for topic " "Unable to deserialize JSON message payload" My payload is below 2 payload. //string payload = "{"aps":{"content-available":1}}"; string payload = JsonConvert.SerializeObject(new { aps = new Dictionary<string, object> { { "content-available", 1 } } }); string curlArgs = $"-s -o nul -w \"%{{http_code}}\" " + $"--data-binary \"{payload}\" " + $"-H \"apns-topic: {bundleId}\" " + $"-H \"apns-push-type: background\" " + $"-H \"apns-priority: 5\" " + $"-H \"content-type: application/json\" " + $"-H \"authorization: bearer {jwt}\" " + $"--http2 https://api.push.apple.com/3/device/{token}"; I’ve confirmed that: The device has the Wallet pass installed. The apns-topic header is set to my passTypeIdentifier. The apns-push-type is background and apns-priority is 5. Steps to Reproduce: Install Wallet pass on iOS device. Send background push to device using the above payload. Observe the device logs using Console.app or log stream. See error: unable to deserialize JSON message payload. Is there a specific payload format expected for Wallet passes? Or any additional fields required in the push payload to avoid this deserialization error?
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Jul ’25
Cannot receive APNs notification
Hi all, We encountered an issue where APNs (Apple Push Notification service) push messages cannot be received during development. The specific description is as follows: Our app runs on an iPad that connects to the cellular network using a SIM card and accesses the Internet through the company's MDM, which provides APN setting proxies. During operation, we found that the device fails to receive push messages from APNs. Network packet capture revealed that the connection attempt by apsd to port 5223 failed. According to Apple's documentation (https://support.apple.com/zh-cn/102266), when port 5223 cannot be connected to, it will fall back to port 443 and use a proxy. However, our packet capture showed that when port 5223 was unreachable, the apsd service on the iPad did not attempt to establish a connection to port 443. Since the iPad device currently cannot establish a connection with APNs, it consistently fails to receive push messages from APNs. We tried disconnecting the SIM card and using a Wi-Fi environment, and in this case, the iPad device was able to receive push messages from APNs normally. Could you advise us on how to proceed with troubleshooting in this situation?
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Jul ’25