Implement IAP Plugin for Cross-Platform Engines

To implement in-app purchasing using the IAP plugin, follow these high-level steps:

1. Read the general documentation on In-App Purchasing. For details, see In-App Purchasing Overview.
2. Add the plugin to your project. For details, see Add a Plugin to Your Unity Project.
3. Develop your code. For more information about IAP plugin methods and events, see IAP Plugin Methods and Events.
4. Set up your test environment and test your app. For more information, see IAP Testing Overview.
5. Add your in-app items to your app in the Amazon Developer Console. For more information, see Create and Submit Single IAP items .
6. Add your app to your Amazon developer account. For more information about preparing an Android app for submission, see Amazon Appstore Presubmission Checklist.

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Last updated: Jun 18, 2026