> ## 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.

# API reference

> API reference for the Microsoft Game Development Kit (GDK): audio, chat, graphics, input, networking, system, tools, XBOX services, and error codes.

## In this section

[Audio API reference (NDA topic)](/reference/audio/gc-reference-audio-toc)<br />Audio API reference material for the Microsoft Game Development Kit (GDK).

[Chat API reference](/reference/chat/gc-reference-chat-toc)<br />Describes the chat APIs available for the Microsoft Game Development Kit (GDK).

[Developer Kit Only API Reference](/reference/devkit/atoc-devkit-reference)<br />Reference material for APIs that are available only on a development console.

[Graphics API reference (NDA topic)](/reference/graphics/gc-reference-graphics-toc)<br />Graphics API reference material for the Microsoft Game Development Kit (GDK).

[Input API reference](/reference/input/gc-reference-input-toc)<br />Input API reference material for Microsoft GameInput.

[Lighting API reference](/reference/lighting/gc-reference-lighting-toc)<br />Lighting API reference material for the Microsoft Game Development Kit (GDK).

[Networking API reference](/reference/networking/gc-reference-networking-toc)<br />Networking API reference material for the Microsoft Game Development Kit (GDK).

[System API reference](/reference/system/gc-reference-system-toc)<br />System API reference material for the Microsoft Game Development Kit (GDK).

[Tools API reference](/reference/tools/gc-reference-tools-toc)<br />Tools API reference material for the Microsoft Game Development Kit (GDK).

[Windows Device Portal REST API Reference](/reference/deviceportal/atoc-deviceportal-reference)<br />Reference material for Windows Device Portal (WDP) REST APIs.

[XBOX services API reference](/reference/live/gc-reference-live-toc)<br />XBOX Services API reference material for the Microsoft Game Development Kit (GDK).

[Error codes](/reference/errorcodes)<br />Constant definitions for the Microsoft Game Development Kit (GDK) error code values, declared in XGameErr.h.

[MicrosoftGame.config Reference](/reference/system/microsoftgameconfig/elements/gc-microsoftgameconfig-toc)<br />MicrosoftGame.config element reference material for the Microsoft Game Development Kit (GDK).

## See also

[Microsoft Game Development Kit](/services/playfab/sdks/platforms/gdk)


## Related topics

- [System API reference](/reference/system/gc-reference-system-toc.md)
- [Input API reference](/reference/input/gc-reference-input-toc.md)
- [Tools API reference](/reference/tools/gc-reference-tools-toc.md)
- [Networking API reference](/reference/networking/gc-reference-networking-toc.md)
- [Chat API reference](/reference/chat/gc-reference-chat-toc.md)