> ## 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 fundamentals

> Explore PlayFab documentation covering identity, live service management, economy, multiplayer, community, analytics, and Foundation Mode onboarding.

From preproduction to post-launch, PlayFab is the complete backend platform that helps you build, launch, and operate your game across every platform.

## Start here

> **[What is PlayFab?](https://docs.xbox.com/services/playfab/get-started/what-is-playfab.md)**
>
> A tour of the managed game services, real-time analytics, and LiveOps that make up PlayFab.

> **[Concepts](https://docs.xbox.com/services/playfab/get-started/concepts.md)**
>
> The building blocks: namespaces, titles, identity, PlayStream, and more.

> **[Foundation Mode overview](https://docs.xbox.com/services/playfab/get-started/mode-overview.md)**
>
> A PlayFab service tier for eligible XBOX ecosystem developers, at no extra cost.

> **[Foundation Mode onboarding](https://docs.xbox.com/services/playfab/get-started/foundation-onboarding.md)**
>
> Request preview access, create a title, and link your Partner Center account.

## PlayFab services

> **[Identity](https://docs.xbox.com/services/playfab/identity/index.md)**
>
> Player and developer authentication across every platform.

> **[Live service management](https://docs.xbox.com/services/playfab/live-service-management/index.md)**
>
> Game Manager, title data, segmentation, experiments, and automation.

> **[Economy, monetization, & UGC](https://docs.xbox.com/services/playfab/economy-monetization/index.md)**
>
> Catalog, inventory, stores, virtual currencies, and user-generated content.

> **[Multiplayer](https://docs.xbox.com/services/playfab/multiplayer/index.md)**
>
> Matchmaking, lobby, networking, and dedicated server hosting.

> **[Community](https://docs.xbox.com/services/playfab/community/index.md)**
>
> Friends, groups, leaderboards, chat, and voice communications.

> **[Player progression](https://docs.xbox.com/services/playfab/player-progression/index.md)**
>
> Player profiles, statistics, and cloud game saves.

> **[Game data](https://docs.xbox.com/services/playfab/data-analytics/index.md)**
>
> Telemetry, PlayStream, reports, and data export.

## What's new

> **[SDK release notes](https://docs.xbox.com/services/playfab/release-notes/index.md)**
>
> Version history for the PlayFab SDKs.

> **[Lobby and Matchmaking release notes](https://docs.xbox.com/services/playfab/multiplayer/lobby/lobby-matchmaking-sdks/lobby-and-matchmaking-release-notes.md)**
>
> Updates to the Lobby and Matchmaking SDKs.

> **[Party release notes](https://docs.xbox.com/services/playfab/multiplayer/networking/release-notes.md)**
>
> Updates to the PlayFab Party SDK.

## Demo and samples

> **[Winter Starfall demo game](https://docs.xbox.com/services/playfab/demo-game/overview.md)**
>
> A complete sample game showing PlayFab services working together.

> **[PlayFab samples](https://docs.xbox.com/services/playfab/resources/playfab-samples.md)**
>
> Focused samples for individual PlayFab services.

> **[Economy and LiveOps recipes](https://docs.xbox.com/services/playfab/resources/playfab-recipes.md)**
>
> Step-by-step recipes for common economy and LiveOps scenarios.

> **[Multiplayer Servers samples](https://docs.xbox.com/services/playfab/multiplayer/servers/server-samples-resources.md)**
>
> Reference implementations for dedicated server workloads.

## SDKs and reference

> **[SDKs overview](https://docs.xbox.com/services/playfab/sdks/sdk-overview.md)**
>
> Find the right PlayFab SDK for your language, engine, or platform.

> **[Request access for NDA platforms](https://docs.xbox.com/services/playfab/sdks/request-access-for-sdks-samples.md)**
>
> Access SDKs and samples for restricted platforms.

> **[REST API overview](https://docs.xbox.com/services/playfab/api-references/index.md)**
>
> Endpoints, request patterns, and authentication.

> **[API access policy](https://docs.xbox.com/services/playfab/api-references/api-access-policy.md)**
>
> Control which PlayFab APIs your title can call.

## Pricing

> **[Billing meters explained](https://docs.xbox.com/services/playfab/pricing/meters/meters.md)**
>
> Understand the meters PlayFab uses to measure usage.

> **[Monthly estimated charges](https://docs.xbox.com/services/playfab/pricing/billingdetails.md)**
>
> Track your estimated charges throughout the month.


## Related topics

- [PlayFab concepts](https://docs.xbox.com/services/playfab/get-started/concepts.md)
- [What is PlayFab?](https://docs.xbox.com/services/playfab/get-started/what-is-playfab.md)
- [PlayFab Modes](https://docs.xbox.com/services/playfab/get-started/mode-overview.md)
- [PlayFab consumption best practices](https://docs.xbox.com/services/playfab/pricing/consumption-best-practices.md)
- [PlayFab Release Notes 2020](https://docs.xbox.com/services/playfab/release-notes/2020.md)