# Unity Authentication API

**Canonical:** https://apis.io/apis/unity-com/unity-authentication-api/  
**Provider:** Unity — https://apis.io/providers/unity-com/  
**Documentation:** https://services.docs.unity.com/auth/v2/

Unity Authentication API is one of 19 APIs that [Unity](https://apis.io/providers/unity-com/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Authentication, Identity, Player Auth, and Gaming. The published artifact set on APIs.io includes API documentation.

Player Authentication for Unity Gaming Services. Anonymous, social (Apple/Google/Facebook/Steam/Oculus/PlayStation/Xbox/Nintendo), username/password, and custom-ID sign-in flows that mint Unity player tokens. Provides identity linking, session refresh, and the access tokens consumed by every other UGS service. Available as REST endpoints at services.api.unity.com/auth/v2 or via the Unity Authentication SDK.

## Machine-readable artifacts (3)

- **Documentation** — https://services.docs.unity.com/auth/v2/
- **Documentation** — https://docs.unity.com/ugs/en-us/manual/authentication/manual/rest-api
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/unity-com/refs/heads/main/apis.yml

## Other Unity APIs (12)

- [Unity Cloud Save API](https://apis.io/apis/unity-com/unity-cloud-save-api/)
- [Unity Cloud Code API](https://apis.io/apis/unity-com/unity-cloud-code-api/)
- [Unity Economy API](https://apis.io/apis/unity-com/unity-economy-api/)
- [Unity Leaderboards API](https://apis.io/apis/unity-com/unity-leaderboards-api/)
- [Unity Remote Config API](https://apis.io/apis/unity-com/unity-remote-config-api/)
- [Unity Relay API](https://apis.io/apis/unity-com/unity-relay-api/)
- [Unity Lobby API](https://apis.io/apis/unity-com/unity-lobby-api/)
- [Unity Matchmaker API](https://apis.io/apis/unity-com/unity-matchmaker-api/)
- [Unity Multiplay (Game Server Hosting) API](https://apis.io/apis/unity-com/unity-multiplay-api/)
- [Unity Vivox Voice and Text Chat API](https://apis.io/apis/unity-com/unity-vivox-api/)
- [Unity Friends API](https://apis.io/apis/unity-com/unity-friends-api/)
- [Unity Analytics API](https://apis.io/apis/unity-com/unity-analytics-api/)

## Tags

Authentication, Identity, Player Auth, Gaming

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