Prioritize user privacy and data security in your app. Discuss best practices for data handling, user consent, and security measures to protect user information.

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"Apps Using Apple ID" list & Apple's Private Relay
Hello, We plan to remove our app from the App Store. This post aims to determine whether our company can rely on Private Relay to compensate our customers. Our Challenge: Gift Card Refunds with Private Relay Some customers purchased gift cards through our app using Apple's "Private Relay" during account creation. To process refunds, we need a way to identify these customers. Our system relies on email addresses, which are masked by Private Relay. Potential Solution: Apps Using Apple ID We're exploring "Apps Using Apple ID" as a possible solution for customers to share their Private Relay addresses for refund purposes. Under what circumstances will an app cease to appear in the "Apps Using Apple ID" list? What conditions must be met to initiate a new Private Relay connection for the same user and application? For example, would using the same Apple account to sign into the app on a different device trigger a new Private Relay? Thank you for your help!
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363
Jan ’25
How to programmatically stop passkey in my app
I am using Auth0 as a login manager for our app. The way Auth0 handles login is that their SDK will create a web view where the login is actually handled. Once the login is finished the session will end and the app will gain control. We are not set up for passkeys in their system and can't set up quickly to do that. Unfortunately with the new iOS "passkey is the primary login" way iOS is set up now, users are asked to use passkey when it's not supported on the backend. I don't have direct control of the login screens. Is there any way, at the app level, to tell the app to not use passkeys so that it quits showing up as an option for the users? I can't find any documentation on doing this. How can I stop passkey in my app entirely?
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303
Feb ’25
How to use SignInWithAppleButton as one-time login in iOS app?
I would like to make an app that uses Sign in with Apple to provide the users with a very convenient way of authenticating their (anonymous) identity. I'm using the identityToken that the SignInWithAppleButton provides to the onCompletion closure to build an AWS Identity Resolver that will be used to access AWS resources for that user. At the moment, everything works fine, except that the identityToken eventually stops working (I think after 24 hours) and is no longer usable for AWS identity resolvers. Is there a way to refresh the identityToken, or to generate a new one, without user interaction? I don't mind at all, if in some situations (eg logout from another device, deletion of account, etc), it cannot refresh the token, and it directs me to take further action by giving an error. Most importantly, I don't want the user to be forced to deal with the SignInWithAppleButton every time that they interact with web services. From the user's point of view, I would like the experience to be that they simply confirm that they agree to use SignInWithApple on first use (maybe once per device), and are never inconvenienced by it again. P.S. Sorry for posting this here. I tried to set the topic to "Privacy & Security" and ran into form validation errors.
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100
Jun ’25
Application with identifier is not associated with domain
Hi, This issue is happening during Passkey creation. We’ve observed that approximately 1% of our customer users encounter a persistent error during Passkey creation. For the vast majority, the process works as expected. We believe our apple-app-site-association file is correctly configured, served directly from the RP ID over HTTPS without redirects, and is up-to-date. This setup appears to work for most users, and it seems the Apple CDN cache reflects the latest version of the file. To help us diagnose and address the issue for the affected users, we would appreciate guidance on the following: What tools or steps does Apple recommend to identify the root cause of this issue? Are there any known recovery steps we can suggest to users to resolve this on affected devices? Is there a way to force a refresh of the on-device cache for the apple-app-site-association file? Thank you in advance for any input or guidance.
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133
May ’25
Sign in with Apple Sync Issues Across Teams
We have 2 developers: Developer A created a Bundle ID and configured Sign in with Apple, but didn't create a corresponding App. This Bundle ID is only used for login on our official website. Developer B created a Bundle ID, configured Sign in with Apple, and has a corresponding App. The issue we're encountering is that because these two Bundle IDs are under different teams, when using the same Apple ID to log into these two applications, different accounts are generated. (We've tested that when creating Service IDs under the same team, logging in with Bundle IDs under the same team generates the same account.) Since Developer A's Bundle ID doesn't have a created app, it cannot be transferred to Developer B. Therefore, we'd like to know if there's any way to make the accounts generated from logging in with the same Apple ID be identical across these two teams?
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381
Feb ’25
[Resolved] Sign in with Apple Service Outage: Thursday, June 12, 2025
On Thursday, June 12, 2025, Sign in with Apple was impacted by an incorrect subdomain defined in its /.well-known/openid-configuration file. The JSON returned incorrectly provided https://account.apple.com instead of the expected https://appleid.apple.com. For Sign in with Apple, the value for the issuer (iss) claim in the user's identity token is https://appleid.apple.com. Additionally, if your clients use the Sign in with Apple REST API, the following endpoints should be used for each request: https://appleid.apple.com/auth/authorize https://appleid.apple.com/auth/token https://appleid.apple.com/auth/revoke https://appleid.apple.com/auth/keys This issue with the /.well-known/openid-configuration file was resolved the same day. Use the URL below to confirm the expected subdomain is provided, as needed: https://appleid.apple.com/.well-known/openid-configuration Cheers, Paris X Pinkney |  WWDR | DTS Engineer
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220
Jun ’25
Sign in with Apple Keychain savedEmail Stored Incorrectly
Using personal physical iPhone for simulations. Can't get Keychain to read or store AppleID name/email. I want to avoid hard reseting physical phone. Logs confirm Keychain is working, but userIdentifier and savedEmail are not being stored correctly. 🔄 Initializing UserManager... ✅ Saved testKeychain to Keychain: Test Value ✅ Retrieved testKeychain from Keychain: Test Value 🔍 Keychain Test - Retrieved Value: Test Value ⚠️ Keychain Retrieve Warning: No stored value found for userIdentifier ⚠️ Keychain Retrieve Warning: No stored value found for savedEmail 🔍 Debug - Retrieved from Keychain: userIdentifier=nil, savedEmail=nil ⚠️ No stored userIdentifier in Keychain. User needs to sign in. 📦 Converting User to CKRecord: Unknown, No Email ✅ User saved locally: Unknown, No Email ✅ User saved to CloudKit: Unknown, No Email Below UserManager.swift if someone can help troubleshoot. Or step by step tutorial to configure a project and build a User Login & User Account creation for Apple Only app. import Foundation import CloudKit import AuthenticationServices import SwiftData @MainActor class UserManager: ObservableObject { @Published var user: User? @Published var isLoggedIn = false @Published var errorMessage: String? private let database = CKContainer.default().publicCloudDatabase init() { print("🔄 Initializing UserManager...") // 🔍 Keychain Debug Test let testKey = "testKeychain" KeychainHelper.shared.save("Test Value", forKey: testKey) let retrievedValue = KeychainHelper.shared.retrieve(forKey: testKey) print("🔍 Keychain Test - Retrieved Value: \(retrievedValue ?? "nil")") fetchUser() // Continue normal initialization } // ✅ Sign in & Save User func handleSignIn(_ authResults: ASAuthorization) { guard let appleIDCredential = authResults.credential as? ASAuthorizationAppleIDCredential else { errorMessage = "Error retrieving Apple credentials" print("❌ ASAuthorization Error: Invalid credentials received") return } let userIdentifier = appleIDCredential.user let fullName = appleIDCredential.fullName?.givenName ?? retrieveSavedName() var email = appleIDCredential.email ?? retrieveSavedEmail() print("🔍 Apple Sign-In Data: userIdentifier=\(userIdentifier), fullName=\(fullName), email=\(email)") // 🔄 If Apple doesn't return an email, check if it exists in Keychain if appleIDCredential.email == nil { print("⚠️ Apple Sign-In didn't return an email. Retrieving saved email from Keychain.") } // ✅ Store userIdentifier & email in Keychain KeychainHelper.shared.save(userIdentifier, forKey: "userIdentifier") KeychainHelper.shared.save(email, forKey: "savedEmail") let newUser = User(fullName: fullName, email: email, userIdentifier: userIdentifier) saveUserToCloudKit(newUser) } func saveUserToCloudKit(_ user: User) { let record = user.toRecord() Task { do { try await database.save(record) DispatchQueue.main.async { self.user = user self.isLoggedIn = true self.saveUserLocally(user) print("✅ User saved to CloudKit: \(user.fullName), \(user.email)") } } catch { DispatchQueue.main.async { self.errorMessage = "Error saving user: \(error.localizedDescription)" print("❌ CloudKit Save Error: \(error.localizedDescription)") } } } } // ✅ Fetch User from CloudKit func fetchUser() { let userIdentifier = KeychainHelper.shared.retrieve(forKey: "userIdentifier") let savedEmail = KeychainHelper.shared.retrieve(forKey: "savedEmail") print("🔍 Debug - Retrieved from Keychain: userIdentifier=\(userIdentifier ?? "nil"), savedEmail=\(savedEmail ?? "nil")") guard let userIdentifier = userIdentifier else { print("⚠️ No stored userIdentifier in Keychain. User needs to sign in.") return } let predicate = NSPredicate(format: "userIdentifier == %@", userIdentifier) let query = CKQuery(recordType: "User", predicate: predicate) Task { [weak self] in guard let self = self else { return } do { let results = try await self.database.records(matching: query, resultsLimit: 1).matchResults if let (_, result) = results.first { switch result { case .success(let record): DispatchQueue.main.async { let fetchedUser = User(record: record) self.user = User( fullName: fetchedUser.fullName, email: savedEmail ?? fetchedUser.email, userIdentifier: userIdentifier ) self.isLoggedIn = true self.saveUserLocally(self.user!) print("✅ User loaded from CloudKit: \(fetchedUser.fullName), \(fetchedUser.email)") } case .failure(let error): DispatchQueue.main.async { print("❌ Error fetching user from CloudKit: \(error.localizedDescription)") } } } } catch { DispatchQueue.main.async { print("❌ CloudKit fetch error: \(error.localizedDescription)") } } } } // ✅ Save User Locally private func saveUserLocally(_ user: User) { if let encoded = try? JSONEncoder().encode(user) { UserDefaults.standard.set(encoded, forKey: "savedUser") UserDefaults.standard.set(user.fullName, forKey: "savedFullName") UserDefaults.standard.set(user.email, forKey: "savedEmail") print("✅ User saved locally: \(user.fullName), \(user.email)") } else { print("❌ Local Save Error: Failed to encode user data") } } // ✅ Retrieve Previously Saved Name private func retrieveSavedName() -> String { return UserDefaults.standard.string(forKey: "savedFullName") ?? "Unknown" } // ✅ Retrieve Previously Saved Email private func retrieveSavedEmail() -> String { return KeychainHelper.shared.retrieve(forKey: "savedEmail") ?? UserDefaults.standard.string(forKey: "savedEmail") ?? "No Email" } // ✅ Sign Out func signOut() { isLoggedIn = false user = nil UserDefaults.standard.removeObject(forKey: "savedUser") print("🚪 Signed Out") } }
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280
Mar ’25
Why doesn't FinanceKit return transaction location?
Pretty much the headline. the func transactionHistory() needs to return the transaction location. This seems so rudimentary, yet it is missing from the docs. Unless I'm missing something, please add this feature or point me in the right direction. Alternatively, is there a way for my app to get notified of the transaction immediately as it happens? I have to get transactions historically which leaves me with no way to determine where they happened in the past.
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274
Jan ’25
Issue to reset "Privacy & Security" permissions
Hello, I am working on a script to update an application which bundle ID changed. Only the bundle ID was modified; all other aspects remain unchanged. This application requires access to "Screen & System Audio Recording" permissions, which are currently granted to the old bundle ID. The script performs the following steps: launchctl bootout gui/$(id -u) /Library/LaunchAgents/com.my_agent_1.plist pkgutil --forget com.my_agent_1 tccutil reset All com.my_agent_1 rm /Library/LaunchAgents/com.my_agent_1.plist rm -rf </path/to/com_my_agent_1> installer -dumplog -allowUntrusted -pkg </path/to/com_my_agent_2.pkg> -target / ... When running steps #1-6 without a restart between steps #5 and #6, the old bundle ID (com.my_agent_1) remains visible in TCC.db (verified via SQL queries). Looks like this is the reason why "com.my_agent_2" is not automatically added to the permission list (requiring manual add). Moreover, "tccutil reset All com.my_agent_1" does not work anymore, the error: tccutil: No such bundle identifier "com.my_agent_1": The operation couldn’t be completed. (OSStatus error -10814.) Is there any way to completely clear the "Privacy & Security" permissions without requiring a system restart? Thank you a lot for your help in advance!
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114
Jun ’25
App Attest server unreachable – DNS or firewall issue suspected
Hello, We are working on integrating app integrity verification into our service application, following Apple's App Attest and DeviceCheck guide. Our server issues a challenge to the client, which then sends the challenge, attestation, and keyId in CBOR format to Apple's App Attest server for verification. However, we are unable to reach both https://attest.apple.com and https://attest.development.apple.com due to network issues. These attempts have been made from both our internal corporate network and mobile hotspot environments. Despite adjusting DNS settings and other configurations, the issue persists. Are there alternative methods or solutions to address this problem? Any recommended network configurations or guidelines to successfully connect to Apple's App Attest servers would be greatly appreciated. Thank you.
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128
May ’25
Handling ITMS-91061: Missing privacy manifest
An ITMS-91061: Missing privacy manifest rejection email looks as follows: ITMS-91061: Missing privacy manifest- Your app includes "<path/to/SDK>", which includes , an SDK that was identified in the documentation as a privacy-impacting third-party SDK. Starting February 12, 2025, if a new app includes a privacy-impacting SDK, or an app update adds a new privacy-impacting SDK, the SDK must include a privacy manifest file. Please contact the provider of the SDK that includes this file to get an updated SDK version with a privacy manifest. For more details about this policy, including a list of SDKs that are required to include signatures and manifests, visit: https://developer.apple.com/support/third-party-SDK-requirements. Glossary ITMS-91061: Missing privacy manifest: An email that includes the name and path of privacy-impacting SDK(s) with no privacy manifest files in your app bundle. For more information, see https://developer.apple.com/support/third-party-SDK-requirements. : The specified privacy-impacting SDK that doesn't include a privacy manifest file. If you are the developer of the rejected app, gather the name of the SDK from the email you received from Apple, then contact the SDK's provider for an updated version that includes a valid privacy manifest. After receiving an updated version of the SDK, verify the SDK includes a valid privacy manifest file at the expected location. For more information, see Adding a privacy manifest to your app or third-party SDK. If your app includes a privacy manifest file, make sure the file only describes the privacy practices of your app. Do not add the privacy practices of the SDK to your app's privacy manifest. If the email lists multiple SDKs, repeat the above process for all of them. If you are the developer of an SDK listed in the email, publish an updated version of your SDK that includes a privacy manifest file with valid keys and values. Every privacy-impacting SDK must contain a privacy manifest file that only describes its privacy practices. To learn how to add a valid privacy manifest to your SDK, see the Additional resources section below. Additional resources Privacy manifest files Describing data use in privacy manifests Describing use of required reason API Adding a privacy manifest to your app or third-party SDK TN3182: Adding privacy tracking keys to your privacy manifest TN3183: Adding required reason API entries to your privacy manifest TN3184: Adding data collection details to your privacy manifest TN3181: Debugging an invalid privacy manifest
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5.8k
Mar ’25
Received email that my Sign in with Apple account was rejected
I set up "Sign in with Apple" via REST API according to the documentation. I can log in on my website and everything looks fine for the user. But I receive an email, that my "Sign in with Apple" account has been rejected by my own website. It states, I will have to re-submit my name and email address the next time I log in to this website. I don't see any error messages, no log entries, no HTTP errors anywhere. I also can't find anything in the docs, the emails seem to not be mentioned there, searching for anything with "rejected" in the forum did not yield any helpful result, because they are always about App entries being rejected etc. Did someone experience something similar yet? What's the reason, I'm getting these emails? I get them every time I go through the "Sign in with Apple" flow on my website again.
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258
Aug ’25
appleid.apple.com response servers IPs
Developers of our e-shop are preparing to enable Apple Sign In for account login. Apple ID verification is conducted via the domain appleid.apple.com, and the responses should be coming back from the following two Apple IP addresses: IPv4 Address: 17.32.194.6 IPv4 Address: 17.32.194.37 Question is whether these addresses are correct and if they remain unchanged over time. Alternatively, it is existing an official list of IP addresses that may be used for Apple Sign In verification response? This is necessary to ensure precise network communication settings and protection by F5 security solution. Thanks a lot for answers.
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150
Mar ’25
Apple Attestation unknownSystemFailure error
Hi, I’ve added attestation to my app, and everything worked as expected during setup. However, after deployment, I noticed some unknownSystemFailure entries in the production logs on New Relic. Could you help me understand what typically causes this error? The documentation suggests issues such as failing to generate a token. What scenarios could lead to that?
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77
2w
Developing Platform SSO extension
Hi, I am developing a Platform SSO in order to have integrated with our IdP, which I am also adapting to provide the right endpoints for Platform SSO. I have a few questions about the implementation: does the client-request-id need to be present on all requests? Is it unique per request, or requests that are bound together like those requesting a nonce and those who will use that nonce should use the same client-request-id? I am not sure how the loginManager.presentRegistrationViewController works. I'd like to get the user to authenticate to my IdP before device registration. So I am not sure if I should provide my own Webview or something similar or if this method should do something for me; My idea is to request user authentication once, save the state when performing device registration, so that I avoid asking for user authentication twice when performing user registration. Is this the right way to do it? How does platform SSO handles tokens? If one application of my IdP requests the authentication on a common OIDC/OAuth2 flow, should I perform some sort of token exchange? How about SAML? Platform SSO seems to be token-centric, but how does one handle SAML flows? Is it by using WebView as well?
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56
Nov ’25
Sign in with Apple
Hey there, I’m currently exploring the possibility of integrating Sign in with Apple into my iOS app and backend. Regarding the iOS app, I’ve read that when a user is signed in, you always need to call getCredentialState on the app’s launch. Is this true? If so, how is it possible to sign the user out then? I intend to incorporate SwiftData and CloudKit into my application. In light of this, I’m curious about your approach to user management. Specifically, I’m wondering if you would store the user’s data in a Redis database after successful authentication on the backend. Or, would you separate the user data and save it using SwiftData/ CloudKit?
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366
Feb ’25
Sign in with Apple Not Working – "Sign Up Not Completed" Error
We have integrated Sign in with Apple into our iOS project using the recommended implementation from your documentation,However, we are experiencing issues when testing with the following: Bundle ID: com.app.xxx Using real certificates from our Apple Developer account Issue Details: On real devices, after entering the Apple ID password, we receive a message saying: "Sign-up not completed" On simulators, the flow gets stuck after entering the password no further progress occurs. We are not receiving any explicit error messages in the console or logs. We also tested with the official Apple sign-in demo code from the documentation link above, and the same issue occurred. Our team has confirmed that all necessary configurations have been set correctly, and the same implementation works on other accounts. We would appreciate your assistance in identifying the root cause and helping us resolve this issue. Thank you,
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99
Jun ’25