Looking for logging into the Unity In App Purchase Required site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Unity In App Purchase Required site. After that you can login as usual with your login credentials.
https://unity3d.com/de/learn/tutorials/topics/ads-analytics/integrating-unity-iap-your-game
https://docs.unity3d.com/Manual/UnityIAP.html
https://unity3d.com/de/unity/features/iap
https://forum.unity.com/threads/ios-used-real-user-on-development-build-to-test-purchasing-now-get-sign-in-required-every-time.532790/
https://stackoverflow.com/questions/39092026/the-ios-build-of-unity-requires-in-app-purchasing-although-my-game-dont-use-ia?rq=1
https://www.sdkbox.com/unity
https://api.playfab.com/docs/tutorials/landing-commerce/getting-started-unity-iap-android
https://support.magplus.com/hc/en-us/articles/203809008-iOS-How-to-Test-In-App-Purchases-in-Your-App
https://www.easymobile.sglibgames.com/docs/pro/chapters/in-app-purchasing/module-configuration.html
https://developer.amazon.com/docs/cross-platform-plugins/cpp-use-the-iap-plugin-for-unity.html
https://developers.facebook.com/docs/app-events/getting-started-app-events-android/verification/?locale=de_DE
https://github.com/googlesamples/android-play-billing/issues/2
https://dev.tapjoy.com/app-promotion-content-units-unity/