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Xsolla SDK: Powering Commerce for Games on Epic Games Store

Epic Games Store policy allows developers to use alternative payment options, giving studios the freedom to choose the tools that best fit their business. Xsolla’s SDKs and services are designed to work alongside or in place of Epic’s native commerce system—empowering you to optimize checkout, streamline operations, and build stronger relationships with your players.

Player-Centric Opportunities​

Dual Billing with Player-Centric Benefits: Xsolla SDK supports dual billing, allowing you to offer your own Xsolla-powered checkout side by side with the Store's commerce. Incentivize adoption with bonuses, rewards, or extra in-game currency—while keeping the experience compliant and transparent. For more information see best practices for dual billing.

Example messaging

"Pay with Xsolla – Get 10% more!"

You can also choose to replace platform commerce with Xsolla’s SDK for greater control over your monetization, pricing, catalog, and player data.

Enable Web-Based Purchases via Buy Button: Xsolla Buy Button lets you launch secure, custom payment flows from within your game. This redirects the player to a web checkout experience that runs in the browser, taking advantage of frictionless checkout and saved payment methods.

Buy Button is simple to implement and integrates seamlessly with your in-game logic and backend systems.

Add a Web Shop with Epic Login Support: You can also offer direct purchases through a Web Shop powered by Xsolla Site Builder and Pay Station. Players can now log in with their Epic Account, or enable authentication with device ID, making the experience seamless and account-linked.

Integration Options for Epic Games Store​

Xsolla provides a growing number of SDKs to support games distributed via the Epic Games Store:

  • Unity SDK: The Xsolla SDK for Unity is the ideal drop-in option for Unity-based games.
  • Windows SDK: Native Windows SDK (C++ and C#) for custom tech stacks.
  • Defold SDK: Lightweight integration for games using the Defold engine, available in the Defold Asset Portal.
  • Mobile SDK: Native iOS and Android SDKs designed for use with the Epic Games Mobile Store, supporting one-tap purchases outside traditional app store billing.
  • Web Shop + Sign in with Epic: Web Shop complements Xsolla SDK and enables direct-to-player commerce.

Your Game, Your Players​

Xsolla’s tools are built to reduce overhead—not add it. With centralized SKU management, global payments, and player-friendly checkout flows, you can focus on your game and offer your players choices while Xsolla tackles the complexities in the new era of game commerce.

What's Next?​