> ## Documentation Index
> Fetch the complete documentation index at: https://devdocs.xbox.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Using License Tokens to validate licensing on your services

> Use License Tokens to validate a user's XBOX game or add-on license on your backend services, including token structure and verification flows.



## Related topics

- [XStoreQueryLicenseTokenAsync](/reference/system/xstore/functions/xstorequerylicensetokenasync.md)
- [XStoreQueryLicenseTokenResult](/reference/system/xstore/functions/xstorequerylicensetokenresult.md)
- [GDK Commerce Systems Overview](/publishing/xstore-commerce/xstore-overview.md)
- [Enabling licensing testing](/publishing/xstore-commerce/xstore-licensing-setup.md)
- [Basic DRM and license checks](/publishing/xstore-commerce/xstore-basic-drm.md)