# Photon PUN (Photon Unity Networking) API

**Canonical:** https://apis.io/apis/photonengine/photonengine-pun-api/  
**Provider:** Photon Engine — https://apis.io/providers/photonengine/  
**Base URL:** wss://ns.exitgames.com:443  
**Documentation:** https://doc.photonengine.com/pun/current/getting-started/pun-intro

Photon PUN (Photon Unity Networking) API is one of 9 APIs that [Photon Engine](https://apis.io/providers/photonengine/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include PUN, Unity, and Legacy. The published artifact set on APIs.io includes API documentation and an API reference.

Photon Unity Networking 2, the original high-level Unity multiplayer SDK layered over the Photon Realtime transport protocol (same binary messages, same UDP/TCP/WebSocket transports). Still supported for existing projects; Photon recommends Fusion or Quantum for new projects.

## Machine-readable artifacts (2)

- **Documentation** — https://doc.photonengine.com/pun/current/getting-started/pun-intro
- **APIReference** — https://doc-api.photonengine.com/en/pun/current/

## Other Photon Engine APIs (8)

- [Photon Realtime Transport Protocol](https://apis.io/apis/photonengine/photonengine-realtime-transport-api/)
- [Photon Fusion Networking API](https://apis.io/apis/photonengine/photonengine-fusion-api/)
- [Photon Quantum Deterministic Simulation API](https://apis.io/apis/photonengine/photonengine-quantum-api/)
- [Photon Voice API](https://apis.io/apis/photonengine/photonengine-voice-api/)
- [Photon Chat API](https://apis.io/apis/photonengine/photonengine-chat-api/)
- [Photon Bolt (Legacy, Deprecated)](https://apis.io/apis/photonengine/photonengine-bolt-api/)
- [Photon Engine Custom Authentication API](https://apis.io/apis/photonengine/photonengine-custom-authentication-api/)
- [Photon Engine Room Lifecycle WebHooks API](https://apis.io/apis/photonengine/photonengine-room-lifecycle-webhooks-api/)

## Tags

PUN, Unity, Legacy

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