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Support in-app purchases and interactions with the App Store using StoreKit.

StoreKit Documentation

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App Store Server Notification implementation in multiple environments
Hey everyone, We're looking for the best way to handle App Store Server Notifications in our development setup and would appreciate some guidance. Our Setup: We use a single App Store Connect account for development, which supports multiple environments (e.g., staging1, staging2). Our production app lives in a separate account, so that's not an issue. The Challenge: We have only one configurable sandbox notification URL. This makes it difficult to route notifications to the correct development server (staging1 vs. staging2 vs developments) when a sandbox event occurs. We're considering using a proxy server to catch all notifications and then forward them to the appropriate environment. However, we're not sure how to determine the correct destination. Our Questions: What's the recommended approach for managing a single sandbox notification URL across multiple development environments? If a proxy is the best method, which parameter in the responseBodyV2 payload should we use to route the notification? How can we differentiate between our various dev environments? Is it possible to add custom properties to the App Store Server Notification V2 body to facilitate routing? Any advice or best practices you've implemented would be greatly appreciated.
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111
Jul ’25
repeat subscription
After the user initiates the subscription payment, the SDK returns an error type: user cancels. When the user initiates the payment again, Apple will deduct the payment twice and successfully deduct the previously cancelled SKU. This is a recent occurrence with a large amount of data, and the app has not been upgraded in any way. We need to seek help. Thank you
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195
Mar ’25
Validating Mac App Store purchase with StoreKit
For years I've been using Receigen for receipt verification for the Mac App Store build of my application. However, with the deprecation of exit code 173, I am moving to StoreKit-based verification and have a couple of questions. I have followed the instructions from https://developer.apple.com/documentation/storekit/apptransaction/shared and have something like this (simplified): Swift: @objc class ValidateReceipt: NSObject { @objc func validate() async -> Bool { do { let verificationResult = try await AppTransaction.shared switch verificationResult { case .verified(_ /*let appTransaction*/): // StoreKit verified that the user purchased this app and // the properties in the AppTransaction instance return true; default: // The app transaction didn't pass StoreKit's verification return false; } } catch { // Handle errors return false; } } } Objective-C: ValidateReceipt *validateReceipt = [[ValidateReceipt alloc] init]; [validateReceipt validateWithCompletionHandler:^(BOOL result) { if (result) { // Successful app purchase validation } else { // App purchase validation failure } }]; Thing is, I always get a valid result, i.e., in ValidReceipt.validate(), the case .verified block always runs. Even when exporting a new release build of my app and running it (without any _MASReceipt). When using exit code 173, an .app without a _MASReceipt would prompt for app store login. Nothing of the sort happens now. Am I misunderstanding the documentation / doing something wrong / missing something obvious?
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499
Sep ’25
Transitioning a freemium app to StoreKit 2
I'm currently working on transitioning to StoreKit 2. In order to see if my users are legacy users who purchased the app before I implemented an in-app purchase, I am trying to use the original purchase date for the app. Unfortunately, it's returning 0 seconds since 1970. func updateOriginalPurchaseStatus() async throws { let transaction = try await checkVerified(AppTransaction.shared) self.originalPurchaseVersion = transaction.originalAppVersion self.originalPurchaseDate = transaction.originalPurchaseDate } This is from the transaction: [3] = { key = "originalPurchaseDate" value = number (number = 0) } Currently trying to figure out when I actually purchased the app, but it might be as early as 2012. And I likely used a download code.
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258
Mar ’25
How to make StoreKit config & App Store Server notifications work together?
Hi, Using StoreKit 2 with App Store Server notifications like so: User selects a purchase App calls Product.purchase() If successful, App Store notifies our backend with the transaction details, importantly with a UUID for the transaction ID. This works fine, but when I try to test contingent pricing via the handy StoreKit config Transaction Manager in Xcode by creating a PurchaseIntent if I then complete the purchase in the app the Transaction ID is sequential, (0 for the first, 1 for the second etc), which doesn't work for us as the backend might already have that ID stored so the purchase never completes. If I disable the config file it works fine, but then I can't use the Transaction Manager debug tool. Is there a way to override the ID of a custom transaction that's created via the StoreKit configuration? Thanks
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77
Jun ’25
Wrong Product.displayPrice?
I am using StoreKit 2 for my products and noticed that users from Ukraine (for example) receive a wrong Product.displayPrice. The App Store works with USD but shows the local currency UAH. Any chance to display the correct currency (USD)?
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75
Apr ’25
The operation could not be completed. (Error 2 in SKErrorDomain.) during subscription upgrade
I have a renewing monthly subscription in my app and recently added upgrade possibilities to yearly and 6 month subscriptions. Those new subscriptions were reviewed, approved and published to App Store. I'm showing a modal for users in the app from where they can upgrade their subscription. Upgrading was tested with real devices on Sandbox and TestFlight. There has been successful purchases through the in app modal in production app, and directly upgrading from App Store. However, for some users there seems to happen a failed transaction with paymentCancelled error code during the upgrade. The IAP is still successful, their subscription is upgraded and they haven't voluntarily canceled the IAP. The localized description of the error is "Toimintoa ei voitu suorittaa. (Virhe 2 kohteessa SKErrorDomain.)" which translates to "The operation could not be completed. (Error 2 in SKErrorDomain.)" These users have various iPhones (iPhone 12 Pro, iPhone 14 Pro, iPhone 15 Pro, iPhone 16 Pro) with up to date iOS versions (>= 18.3.1). I'm receiving DID_CHANGE_RENEWAL_PREF (UPGRADE) server notification of these purchases on my server. I haven't been able to reproduce this error myself. Any ideas why StoreKit might fail the transaction with paymentCancelled error but still successfully upgrade the subscription?
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212
Mar ’25
Not receiving App Store Server Notifications for failed transactions
We are currently integrating In-App Purchases for our app and have configured App Store Server Notifications (v2) in the Sandbox environment. During testing, we observed the following issue: When a transaction is cancelled, declined, or pending (e.g., Ask to Buy flows or authorization pending), No App Store Server Notification is sent to our webhook endpoint. We only receive webhook events where the status is "purchased". This becomes a critical problem for us because our backend must accurately track transaction states including failed and pending purchases, especially for wallet top-up use cases. Additionally, we tried mocking failed transactions (via Xcode local environment and turning off In-App Purchases from Developer Settings) to simulate a technical failure scenario. Even in these cases, no webhook notification was received when the purchase failed server-side. Is it expected behavior in Sandbox that only successful transactions ("purchased") trigger webhooks? Are failed or pending transactions suppressed in Sandbox intentionally? Will webhook behavior be different in Production (i.e., will we receive webhook notifications for failures there)? Is there any extra configuration or entitlement needed to fully test failure scenarios via webhooks in Sandbox?
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91
Apr ’25
react native iap not providing the subscription information
I am handling the buy subscription with this function const handleBuySubscription = async (productId) => { try { await requestSubscription({ sku: productId, }); setLoading(false); } catch (error) { setLoading(false); if (error instanceof PurchaseError) { errorLog({ message: [${error.code}]: ${error.message}, error }); } else { errorLog({ message: "handleBuySubscription", error }); } } }; but the requestSubscription({ sku: productId, }) does not return anything, and it is stuck at await
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82
Aug ’25
Migrating to StoreKit 2
Hi Friends, I have an iOS app, which uses around 500 in app purchases for various modules. I am using StoreKit for in app purchase, now trying to migrate this to StoreKit 2. I am using Product.products(for:) method to fetch all the products by sending identifiers of all the 500 In app purchases. In response, I am getting details of only 160 products, the method is not returning remaining in app purchases. What could be the reason for this behaviour, how to get rid of the issue? May be is this the issue will happen only on TestFlight? If someone from Apple assures about it, we have plan to submit the app. Please advise, Thank you.
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105
May ’25
integrating In-App Purchases on PWA.
I am trying to launch a PWA as an application on App Store, and got rejected cause of In-App Purchases. Application is about content generation and selling subscriptions for premium content. So thats why needed to implement In-App Purchases. I have created wrapper via PWABuilder. And it is looking great so far, now my question is about How can I implement In-App Purchases in the bundle which is already created. Any suggestions will be appreciated. More clarification:- I have that product running on Web right now, we have integrated Stripe for payment handling for subscriptions. If there is nothing we can do for In-App Purchases then we have to make purchases on website and then user will be able to experience the changes. We tried that, but then we got rejected for showing locked premium content on user's feed. Also can't show any CTA or Subscribe text or button.
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144
Jul ’25
StoreKit 2 – IAP Subscriptions Not Appearing in Sandbox
I am experiencing an issue with my iOS app where StoreKit 2 in-app subscriptions are not appearing when using Product.products(for:). I have done all the necessary configurations, but the products still return an empty array ([]). Here are the details of my setup: • App ID / Bundle ID: com.tstore.vocabely • Product IDs: • com.tstore.vocabely.base • com.tstore.vocabely.pro • com.tstore.vocabely.ultimate • Paid Apps Agreement: Active • IAP Status in App Store Connect: Ready to Submit / Approved • Testing Environment: • Device: iPhone (real device) • iOS Version: [insert your iOS version] • Xcode Version: [insert your Xcode version] • Sandbox Tester Account used • Code Snippet: Using Product.products(for: productIDs) in StoreKitManager to fetch products I have verified: • Product IDs match exactly with App Store Connect • Paid Apps Agreement is Active • Using a real device, not a simulator • Sandbox account is properly signed in Despite all of this, fetchProducts() still returns an empty array. Could you please assist me in troubleshooting why my subscriptions are not appearing in the Sandbox environment? Thank you for your support.
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131
Aug ’25
Subject: Advanced Commerce setup — one generic subscription vs per-product generics, and reporting identifiers
We’ve been approved for the Advanced Commerce API and are setting up the generic product identifiers per the guide: https://developer.apple.com/documentation/advancedcommerceapi/setting-up-your-project-for-advanced-commerce#Set-up-generic-product-identifiers We have multiple auto-renewable subscriptions (for simplicity: Product 1, Product 2, etc.). We created a new subscription group for Advanced Commerce and are about to add the subscription(s) inside that group. Should we create one auto-renewable subscription (generic, e.g. subscription.ac) to represent all of our subscriptions, or one generic per product family (e.g., product1.ac, product2.ac, …)? If the answer depends on whether subscribers can hold multiple products simultaneously, please advise which structure supports that (e.g., separate groups). Reporting identifiers / segmentation: In Sales and Trends and Payments & Financial Reports, which identifier(s) will appear after migration: the legacy StoreKit product_id, the new generic product id, and/or the SKU? If we use a single generic subscription for all products, what’s Apple’s recommended way to segment revenue by product (Product 1 vs. Product 2)? If SKUs don’t surface in these reports, should we prefer multiple generics/groups to preserve report-level segmentation?
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132
Sep ’25
Why my server can't receive non-consumable in-app-purchase notification?
I set both production and sandbox App Store Notification server. In sandbox, my server can receive all kinds of app store notification, including subscription and non-consumable in-app-purchase. But in production, my server only receive subscription notification. I can see some non-consumable in-app-purchase done in log, but the server didn't receive expected notification. Anyone know why? I really need the notification cause I need to know who made refund.
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90
Mar ’25
Screen Rocorder plus Front Camera
I want to build an app for ios using react native. preferably expo. The app will be for recording user experiences with technology. the SLUDGE that they face while navigating through technology. I want to have basic login, signup. The main feature would be to have 2 recording modes. First is record the screen and the front camera simultaneously. Second is to record the back camera and the front camera simultaneously. I can then patch the two outputs later on that is the screen recording and the front camera clip in post processing. I want to know if this is possible as I was told that react native and expo does not have the support yet. if not is there any library or another approach to make this app come alive.
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109
Aug ’25
appTransactionID behavior on logout
The appTransactionID was recently introduced and is documented here: https://developer.apple.com/documentation/storekit/apptransaction/apptransactionid From the documentation: "The App Store generates a single, globally unique appTransactionID for each Apple Account that downloads your app and for each family group member for apps that support Family Sharing." This seems like a really useful identifier, so I was wondering about some edge cases of when using it: What happens if a user logs out of his AppStore account and keeps using the app? Is it available when the app is installed from Xcode? is it possible to set it to some value using StoreKit testing? Thanks
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91
May ’25
can not verify receipt
I have three questions about verify receipt I use this api (https://buy.itunes.apple.com/verifyReceipt)to verify receipt is success or not. But since last month, this interface has started to return an error(21002). I see this document (https://developer.apple.com/documentation/appstorereceipts/verifyreceipt) say its Deprecated. My question is, is the error suddenly returned recently because the interface has been deprecated or for some other reason? (I haven't modified my code about this recently) I can not understand this document: (https://developer.apple.com/documentation/appstorereceipts/validating_receipts_on_the_device) Does this mean that in the new version, as long as the app returns a payment success (purchaseDetails.status == PurchaseStatus.purchased), the payment is guaranteed to be successful, and my server does not need to request payment result verification from Apple's server? I try to use this (https://github.com/apple/app-store-server-library-java) to get TransactionInfo, but I dont konw to get Transaction status to know is success or not. my java server code : AppStoreServerAPIClient client = new AppStoreServerAPIClient(encodedKey, keyId, issuerId, bundleId, environment); TransactionInfoResponse response = client.getTransactionInfo(transactionId); (bug i can note get transaction status, how do i konw this Transaction is success or not)
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155
Sep ’25
tvOS In-App Purchase – App Not Returning After Redirecting to Settings for Apple ID Verification
I'm encountering an issue with In-App Purchases on Apple TV (tvOS): When a user initiates an IAP for the first time, the system prompts them to sign in with their Apple ID, and the purchase proceeds normally. However, on subsequent purchase attempts, if the Apple ID session has expired or additional verification is required, the system redirects the user to the Settings app to sign in again. After the user signs in via Settings, the app does not automatically return to the foreground. The user must manually press the Menu button to come back. Is this is the normal behaviour of apple tv for InApp purchase? or did I need any code improvement to solve this? What I'm trying to achieve: I'd like the app to automatically return to the foreground once the user has completed the Apple ID login in Settings. Is this behavior supported on tvOS? If not, is there any known workaround or best practice to guide the user back to the app smoothly? Any advice or guidance from Apple or other developers would be greatly appreciated!
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200
May ’25
'Invalid value for purchase intake' error
Hello, I recently saw this error from StoreKit in the Console - 'Invalid value for purchase intake' - while debugging a SKPayment subscription issue (where a valid receipt should be verified and restored, but isn't for one user). I haven't been able to find any documentation about this message and wondered if it was related at all. There were two other logs from StoreKit right before saying: 'Found 3 products in receipt with ID' 'Processing ad attribution purchase intake' Does anyone know what 'invalid value for purchase intake' is referencing? We don't have the AdAttributionKit implemented. It sounds like it might be related to that instead? Thank you
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94
Jul ’25