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

StoreKit Documentation

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Cannot get my app update (with IAP for first time) approved
I’m trying to get approval for an update to my app to transition from paid model to IAP subscription. This is my first time submitting an app with IAP. This is my current state: App submission shows rejected IAP subscriptions show "Development action needed" Localization (for all subscription plans) was showing "Rejected"; I updated (only) the review notes for each subscription plan, and now the status for the localization of each subscription is "Prepare for submission" (the status for each subscription is still "Development action needed") I'm at a loss for what needs to be done, and in what order. Sandbox testing has been working fine all along. 1 - I noticed my submitted binary was missing the "In-App Purchase" capability in Xcode (under target capabilities). Could this be the reason? Is this even needed? I am surprised that weeks of sandbox testing without the IAP capability added in Xcode has been working fine. 2- I seem to be in a chicken and egg situation, Do I need to submit localizations first for review and how? Do I need to submit the subscriptions first for review and how? It seems modified/new localizations need approved subscriptions, and new/modified subscriptions need an approved app with IAP support first, is this correct understanding? As I mentioned, in the current state, I can see the app working fine with sandbox testing Appreciate any help with step-by-step instructions to get past the review.
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552
Dec ’24
How to deal with the following "Bad Gateway_message" prompt after purchase
Payment completed with error: Error Domain=ASDErrorDomain Code=500 "(null)" UserInfo={client-environment-type=Sandbox, storefront-country-code=USA, NSUnderlyingError=0x2828a5950 {Error Domain=AMSErrorDomain Code=305 "Purchase Failed" UserInfo={NSLocalizedDescription=Purchase Failed, AMSURL=https://sandbox.itunes.apple.com/WebObjects/MZBuy.woa/wa/inAppBuy?guid=00008030-000164513691402E, AMSStatusCode=200, AMSServerPayload={ "cancel-purchase-batch" = 1; customerMessage = "Bad Gateway_message"; failureType = ""; "m-allowed" = 0; pings = ( ); }, NSLocalizedFailureReason=Server canceled the purchase}}}
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278
Dec ’24
Calling finish on an unfinishedTransaction doesn't work
So, we've implemented IAP with StoreKit2 e2e for both the client and backend and it's working mostly perfectly, however we have an issue which we can't seem to understand Apple's behavior. So, imagine a purchase that occurred on the 10th of December in the sandbox environment through an install from TestFlight, and this same purchase keeps getting queued in the Transaction.unfinished list for some reason (today, the 17th of December, a whole week after the initial purchase!). Here's the flow: We iterate the list on app launch Send the unfinishedTransaction's transactionId to our servers The server says "hey, we could verify it with Apple but it's not longer active (expired). We can't really work with it so just finish it on your side and don't send it to me again" The client finishes!! the transaction On the very next app launch it keeps reappearing in the Transaction.unfinished queue Are we doing something wrong, why doesn't it get cleaned? Is this an expected behavior? Note, this is generally the server's logic for new purchases: If we weren't able to contact Apple - we tell the client to not finish the transaction so that we'll be able to re-iterate it on the next app launch or retry If the transaction is not expired and valid - we update our records and tell the client to finish the transaction If we couldn't update our records - we tell the client to not finish the transaction so that we'll be able to re-iterate it on the next app launch or retry If the transaction is not valid for some reason - we tell the user to finish the transaction The server might see it as a valid transaction if we'll send the originalTransactionId instead of the 'transactionId(using it to callgetTransactionInfoinAppStoreServerLibrary`), but is this something we want to do? This will obviously not fix the problem because the server tells the client to finish the transaction anyways, but it simply doesn't work. Please, any advice or changes to make to either Client/Server would be greatly appreciated Best Regards, Ofek
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300
Dec ’24
Trouble with testing new receipt loading in place of exit(173)
I have several ObjC based apps in the App Store and used to validate the receipt file inside the app in my code, and then reject it with exit(173) if it's invalid, which did trigger macOS to update the receipt if possible. This isn't working any more in recent macOS versions, where the user is instead just told that the app is damaged, and they need to re-install it manually. Which sucks. So I wanted to update my code. I read about SKReceiptRefreshRequest, which is supposed to re-download and install the receipt file, if I understand it correctly. I implemented the code but now have trouble verifying that it works as intended, and does this in a user friendly way. I found in my tests that macOS now caches the receipt in ~/Library/Caches/com.apple.appstoreagent/fsCachedData and then hardlinks the file into the app. BTW: Sadly, this also requires that the app is located on the startup volume or the system will refuse to install the receipt, which wasn't a requirement in past times. Now, if the receipt is already present in the cache folder, then my code works - the receipt gets re-linked. But what if the cached receipt isn't there, yet? Such as that the user had copied the app from another Mac over to a freshly installed Mac? In the past, when the user then launched the app on the new Mac, he'd be prompted to login to the MAS and if that worked, the receipt would get installed and the app launched. Basically, the question is: What if the receipt validation fails in my app and I request a new receipt, but the user has not yet logged into MAS (e.g. new computer)? To simulate this, I logging out of the MAS and TestFlight, deleting all copies of the app and then run the app that I had copied from another Mac where it was authorized with a valid receipt for that device. If I do this with the old version that uses exit(173), I get these two messages in macOS 15.2: The second one is especially terrible because it shows the translocated path, which the average user surely get quite confused, and then maybe even search in vain for the app in there and get frustrated. But that's out of my hands. Sigh. Now, that was proving that the old method with exit(173) isn't working any more and needs to be changed in my apps. Since I'm still developing (testing) this new behavior, the app is therefore not in the MAS yet - the only way for me to test this is to use TestFlight. However, running a Testflight app copied from another Mac leads to this error: That is not helpful in simulating what would happen if this app was released in the MAS. This won't let me find out what happens if my app is run on a Mac where the receipt fails and I ask it to load it via SKReceiptRefreshRequest and if the user is NOT yet logged into the MAS account for this purchased app of his/hers. That leaves only one option: Release the app with untested code and hope for the best. Contrary to this new behavior, the old method did let me test this easily because I would just use the special App Store tester account with the MAS app, i.e. the built MAS app would, when I launched it locally, request for a login and I'd provide my tester's account. But this isn't available any more, apparently. What a mess.
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506
Dec ’24
Is Family Sharing included in Transaction.currentEntitlements?
We have a user that's shared screenshots indicating that they're the recipient of a subscription to our app through Family Sharing, but when we look for the transaction in Transaction.currentEntitlements there's nothing there, even after calling AppStore.sync. Should we expect to see a transaction in current entitlements? How can we determine whether it's our bug or Apple's?
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Dec ’24
Transaction.environment is undefined/nil in TestFlight
I'm using Transaction.environment to determine server behavior. https://developer.apple.com/documentation/storekit/apptransaction/environment https://developer.apple.com/documentation/storekit/appstore/environment I gather this information on the app using StoreKit and then send it to the server: originalTransactionId = transaction.originalID originalTransactionEnvironment = transaction.environment When testing within Xcode, on a simulator, the value sent to the server for originalTransactionEnvironment is Xcode - as expected. When testing on a device using a TestFlight build, the value sent to the server for originalTransactionEnvironment is undefined/nil. I expected it to be Sandbox - and later in production it should be Production. Most importantly, the value sent to the server for originalTransactionId in the TestFlight version is not undefined/nil - it is the value I expected it would be. The transaction was originally for a subscription purchase, if that makes a difference. So the transaction is available, and information like originalID is also available. Why is transaction.environment not available? What is the behavior in production?
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288
Dec ’24
Is original_transaction_id and transaction_id globally unique?
Hello, Apple App Store Server API Team! I have one questions about the identifiers provided by Apple App Store Server API. Could you please answer? We are running an iOS App. In our app, the transactionId we get from Apple App Store Server API is called T1. (Example) Q1. Is it correct that other iOS apps cannot get T1 for transactionId from Apple App Store Server API? (I'm wondering if the transactionId is globally unique across apps.) Thank you!
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427
Dec ’24
Gift Subscription and Split Payment
I am the Lead iOS Developer for The Incc, an upcoming social networking application. The platform offers subscriptions that grant users access to premium content, primarily digital magazines showcasing diverse cultures, alongside standard social media features and additional unique functionalities. I am exploring two specific use cases for our subscription model. Promo Codes with Split Payments: We plan to collaborate with the our influencers (referred to as Mover Shakers) by providing them with promo codes for users to purchase subscriptions. For such purchases, we aim to implement a revenue split model, allocating 10% to the influencer and the remainder to us after Apple’s fees. Gifting Subscriptions: We also wish to enable users to gift subscriptions to others within the app. I understand that the Apple Subscription Service does not natively support these features. What other options do we have to achieve this that are also not against the Apple's guidelines.
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321
Dec ’24
Official document for CONSUMPTION_REQUEST - What kind of data we are receiving?
This documentation describes what kind of data we should be sending to Apple server, once we are receiving CONSUMPTION_REQUEST https://developer.apple.com/documentation/appstoreserverapi/consumptionrequest But, it doesn't describe what kind of data we are receiving, when we are receiving CONSUMPTION_REQUEST? May I know, is such a document available? Thank you.
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524
Dec ’24
Store Kit Set up
I'm working on my first subscription for an app I've built, and can't seem to figure out where I'm going wrong with this one whether it's something in Xcode or App Store Connect. Any idea where to start? Somethings to check. TIA.
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277
Dec ’24
[In-App Purchase] first trial but "is_trial_period" false
This question is about In-App Purchase. This is an inquiry from one of our customers. We have set up a free trial. This is your first time using the service, but you have stated that you have been charged. Document. https://developer.apple.com/documentation/appstorereceipts/is_trial_period 「You can use this value to determine whether the specific record is in a subscription trial period. If a previous subscription period in the receipt has the value "true" for either the is_trial_period or is_in_intro_offer_period keys, the user is not eligible for a free trial or introductory price within that subscription group.」 Our expectation is that is_trial_period is true. Receipt is not contain is_trial_period : true or is_in_intro_offer_period : true. Only one case has occurred. Other customers are no problem.
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408
Dec ’24
StoreKitSubscriptionView presents an unfriendly message when network is unavailable
I have a rather simple StoreKitSubscriptionView for my app's single subscription. Question: Am I expected to write code to handle lack of network connectivity? When I run the app on development device, not using the local StoreKit configuration but rather the real app store, if the network is not available I get a not-user-friendly error message instead of the normal SubscriptionStoreView content. I'm uncertain if end-users actually see this. Maybe they see a more appropriate "Cannot connect to App Store, try later" message? Maybe I am supposed to check for network and not present the view if it is not available. I don't recall any mention of this in the WWDC video but I guess I should check again. Ideas anyone?
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408
Dec ’24
Can users create their own subscription plans?
I'm considering developing an app where users can create their own subscription plans by freely setting their prices, similar to YouTube's membership feature. I understand that in-app purchases must be used to unlock features within the app. With that in mind, I searched for APIs to enable this functionality but couldn't find relevant information. When I contacted Apple directly, they mentioned that they couldn't provide specific answers unless the app is under review. If anyone has knowledge about the following points, I would greatly appreciate your response: Is it possible to implement a feature similar to YouTube's membership using in-app purchase APIs? If it's not feasible with in-app purchases, is it allowed to use external payment services like Stripe?
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311
Dec ’24
SKProductsRequest Randomly Returns All Product IDs as Invalid Despite Correct IDs
We're experiencing an unusual issue with SKProductsRequest in our app's in-app purchases. Despite confirming that all our product IDs are correct, the invalidProductIdentifiers property of SKProductsResponse sometimes contains all the requested product IDs. Here are the specifics: The issue occurs randomly and is not persistent. For instance, around 2024-12-26 -8.0 01:06:04, this problem occurred 3 times in quick succession. The didFailWithError method of SKRequestDelegate is not triggered, reporting no errors. Some users report that after encountering this issue, it resolves itself after about an hour. However, other users have reported this problem persisting for several days. We have repeatedly verified the correctness of our product IDs. Given the intermittent nature of the problem, we suspect this might be an issue on the App Store server side. We're looking for suggestions to resolve or mitigate this issue to improve the reliability of in-app purchases in our application. Has anyone encountered a similar issue? Or does anyone have suggestions that could help us further diagnose and resolve this problem?
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348
Dec ’24
How do I finish and track Consumable IAPs with StoreKit 2?
Hi, I'm attempting to use StoreKit 2 and SwiftUI to add a tip jar to my iOS app. I've successfully added consumable IAPs for each of my tip sizes, and used ProductView to show these on my tip jar screen. However, I am at a loss on how to do the following things: How and when do I finish the consumable IAP transaction? I see the finish() function in the documentation, but I am not sure how I can call it given that ProductView is handling the purchase for me (I have no access to a Transaction object). How can I track the amount of consumable IAPs the user has purchased across all their devices? I want to show the user the amount of money they have tipped in total. I have added SKIncludeConsumableInAppPurchaseHistory to my Info.plist and set it to YES as suggested here: https://forums.developer.apple.com/forums/thread/687199 This is my first time using StoreKit 2 (until now, I was using StoreKit 1), so I would really appreciate any advice and guidance you can provide. Thanks!
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264
Jan ’25
Offer Not Available: Your Account is Not Eligible for this offer. . .
We have in-app purchases live and working fine for standard subscriptions. We also have promotional offers active for existing users (to give existing users a discount as a thank you). Yet, regardless of the user type (existing vs new... we have tested with all types), we get the "Your account is not eligible for this offer" error message when clicking the discounted offer. What is the logic for determining eligibility? I'm trying to debug as it's not clear to me why this message would show up. We are using React Native IAP. In general, how does the eligibility check work? What conditions are being evaluated and compared? And what could break those conditions? I appreciate your help! DDD
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459
Jan ’25