How to Implement 0% Commission In-App Purchases in HTML5 Games

In 2026, the cost of being an indie developer isn't just the 30% storefront tax—it's the time tax . We spend more time fighting with platform-specific authentication and payment SDKs than we do polishing our game mechanics. I built iDev.Games as the antidote. It is a hosting ecosystem where the platform handles the heavy lifting, allowing you to focus on the code. The "iDev-Integrated" Advantage To use the shop features and the 0% commission model, your game lives within the iDev.Games environment. This allows the platform to act as your backend, providing a secure "window layer" that handles PayPal transactions while your game remains lightweight and SDK-free. The Technical Implementation: The iDev Auth Flow When you release a game on iDev.Games, you can generate an auth_token for your digital products. This token is the secure key that allows your game to communicate with our shop servers. Here is the native JavaScript implementation. This logic is used to check if a player has purch