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

# API reference (contents)

> 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)](https://docs.xbox.com/reference/audio/gc-reference-audio-toc.md)\
Audio API reference material for the Microsoft Game Development Kit (GDK).

[Chat API reference](https://docs.xbox.com/reference/chat/gc-reference-chat-toc.md)\
Describes the chat APIs available for the Microsoft Game Development Kit (GDK).

[Developer Kit Only API Reference](https://docs.xbox.com/reference/devkit/atoc-devkit-reference.md)\
Reference material for APIs that are available only on a development console.

[Graphics API reference (NDA topic)](https://docs.xbox.com/reference/graphics/gc-reference-graphics-toc.md)\
Graphics API reference material for the Microsoft Game Development Kit (GDK).

[Input API reference](https://docs.xbox.com/reference/input/gc-reference-input-toc.md)\
Input API reference material for Microsoft GameInput.

[Lighting API reference](https://docs.xbox.com/reference/lighting/gc-reference-lighting-toc.md)\
Lighting API reference material for the Microsoft Game Development Kit (GDK).

[Networking API reference](https://docs.xbox.com/reference/networking/gc-reference-networking-toc.md)\
Networking API reference material for the Microsoft Game Development Kit (GDK).

[System API reference](https://docs.xbox.com/reference/system/gc-reference-system-toc.md)\
System API reference material for the Microsoft Game Development Kit (GDK).

[Tools API reference](https://docs.xbox.com/reference/tools/gc-reference-tools-toc.md)\
Tools API reference material for the Microsoft Game Development Kit (GDK).

[Windows Device Portal REST API Reference](https://docs.xbox.com/reference/deviceportal/atoc-deviceportal-reference.md)\
Reference material for Windows Device Portal (WDP) REST APIs.

[XBOX services API reference](https://docs.xbox.com/reference/live/gc-reference-live-toc.md)\
XBOX Services API reference material for the Microsoft Game Development Kit (GDK).

[Error codes](https://docs.xbox.com/reference/errorcodes.md)\
Constant definitions for the Microsoft Game Development Kit (GDK) error code values, declared in XGameErr.h.

[MicrosoftGame.config Reference](https://docs.xbox.com/reference/system/microsoftgameconfig/elements/gc-microsoftgameconfig-toc.md)\
MicrosoftGame.config element reference material for the Microsoft Game Development Kit (GDK).

## See also

[Microsoft Game Development Kit](https://docs.xbox.com/services/playfab/sdks/platforms/gdk.md)


## Related topics

- [Chat (contents)](https://docs.xbox.com/services/xbox-services/multiplayer/chat/gc-chat-toc.md)
- [Packaging (contents)](https://docs.xbox.com/build/core-features/common/packaging/gc-packaging-toc.md)
- [XSAPI reference (contents)](https://docs.xbox.com/reference/live/xsapi-c/atoc-xsapi-c.md)
- [Web requests (contents)](https://docs.xbox.com/build/console-features/networking/web-requests/web-requests-toc.md)
- [Content](https://docs.xbox.com/reference/system/touchadaptationkit/layout/game-streaming-touch-layout-content.md)