# PlayFab Authentication API

**Canonical:** https://apis.io/apis/playfab/playfab-entity-authentication-api/  
**Provider:** PlayFab — https://apis.io/providers/playfab/  
**Base URL:** https://titleId.playfabapi.com/Authentication  
**Documentation:** https://learn.microsoft.com/en-us/rest/api/playfab/authentication/

PlayFab Authentication API is one of 16 APIs that [PlayFab](https://apis.io/providers/playfab/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Authentication, Entity, Identity, and Tokens. The published artifact set on APIs.io includes API documentation.

The PlayFab Authentication API issues and validates entity tokens used by the Entity Programming Model that underlies CloudScript using Azure Functions, Groups, Data, Profiles, Events, and Multiplayer. Entity tokens scope calls to a master player, character, title, group, or namespace entity.

## Machine-readable artifacts (1)

- **Documentation** — https://learn.microsoft.com/en-us/rest/api/playfab/authentication/

## Other PlayFab APIs (12)

- [PlayFab Client API](https://apis.io/apis/playfab/playfab-client-api/)
- [PlayFab Server API](https://apis.io/apis/playfab/playfab-server-api/)
- [PlayFab Admin API](https://apis.io/apis/playfab/playfab-admin-api/)
- [PlayFab CloudScript API](https://apis.io/apis/playfab/playfab-cloudscript-api/)
- [PlayFab Multiplayer API](https://apis.io/apis/playfab/playfab-multiplayer-api/)
- [PlayFab Matchmaking API](https://apis.io/apis/playfab/playfab-matchmaking-api/)
- [PlayFab Economy (Catalog / Inventory) API](https://apis.io/apis/playfab/playfab-economy-api/)
- [PlayFab Data API](https://apis.io/apis/playfab/playfab-data-api/)
- [PlayFab Groups API](https://apis.io/apis/playfab/playfab-groups-api/)
- [PlayFab Profiles API](https://apis.io/apis/playfab/playfab-profiles-api/)
- [PlayFab Events API](https://apis.io/apis/playfab/playfab-events-api/)
- [PlayFab Insights API](https://apis.io/apis/playfab/playfab-insights-api/)

## Tags

Authentication, Entity, Identity, Tokens

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/playfab/playfab-entity-authentication-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/playfab/.