> ## 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.

# PlayFab Identity documentation

> Overviews, quickstarts, and tutorials for PlayFab player login, developer accounts, session tickets, and platform-specific authentication in Game Manager.

Overviews, quickstarts, and tutorials for player login, developer accounts, and platform-specific authentication.

## About PlayFab authentication

> [card] [What is player authentication?](https://docs.xbox.com/services/playfab/identity/player-identity/authentication.md)
>
> How PlayFab verifies players and issues session tickets.

## Player login

> [card] [About player login](https://docs.xbox.com/services/playfab/identity/player-identity/login.md)
>
> Sign-in flows supported by PlayFab.

> [card] [Player login quickstart](https://docs.xbox.com/services/playfab/identity/player-identity/login/quickstart.md)
>
> Get a player signed in end-to-end in minutes.

## Platform-specific authentication

> [card] [Overview](https://docs.xbox.com/services/playfab/identity/player-identity/platform-specific-authentication.md)
>
> Choose the right provider for your platform.

> [card] [Facebook + Unity](https://docs.xbox.com/services/playfab/identity/player-identity/platform-specific-authentication/facebook-unity.md)
>
> Sign in players with Facebook from a Unity project.

> [card] [Steam + Unity](https://docs.xbox.com/services/playfab/identity/player-identity/platform-specific-authentication/steam-unity.md)
>
> Sign in players with Steam from a Unity project.

> [card] [Google Play Games + Unity](https://docs.xbox.com/services/playfab/identity/player-identity/platform-specific-authentication/google-sign-in-unity.md)
>
> Sign in players with Google Play Games in Unity.

> [card] [Sign in with Apple](https://docs.xbox.com/services/playfab/identity/player-identity/platform-specific-authentication/apple-open-id/overview.md)
>
> Add Sign in with Apple to your PlayFab title.

> [card] [Xbox Live title association](https://docs.xbox.com/services/playfab/identity/player-identity/platform-specific-authentication/xbox-live-add-on.md)
>
> Link an XBOX Live title to PlayFab.

> [card] [Kongregate + Unity](https://docs.xbox.com/services/playfab/identity/player-identity/platform-specific-authentication/kongregate-unity.md)
>
> Sign in players with Kongregate from a Unity project.

> [card] [HTTP server for testing](https://docs.xbox.com/services/playfab/identity/player-identity/platform-specific-authentication/running-an-http-server-for-testing.md)
>
> Run a local HTTP server for auth flow testing.

## Developer accounts

> [card] [Game Manager authentication](https://docs.xbox.com/services/playfab/identity/dev-identity/authentication/aad-authentication.md)
>
> Sign in to Game Manager with Microsoft Entra ID.

## Pricing

> [card] [Meters overview](https://docs.xbox.com/services/playfab/pricing/meters/meters.md)
>
> How Identity usage is metered.

> [card] [Consumption best practices](https://docs.xbox.com/services/playfab/pricing/consumption-best-practices.md)
>
> Reduce cost and improve efficiency for auth-heavy titles.


## Related topics

- [PlayFab fundamentals](https://docs.xbox.com/services/playfab/get-started/index.md)
- [Microsoft Entra ID authentication for PlayFab APIs](https://docs.xbox.com/services/playfab/identity/dev-identity/authentication/entra-id-api-authentication.md)
- [Setting up PlayFab authentication using Steam and Unity](https://docs.xbox.com/services/playfab/identity/player-identity/platform-specific-authentication/steam-unity.md)
- [PlayFab integration for XBOX services titles](https://docs.xbox.com/services/xbox-services/playfab-integration.md)
- [PlayFab UGC documentation](https://docs.xbox.com/services/playfab/economy-monetization/economy-v2/ugc/index.md)