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## Introduction
TRTC Web SDK is an object-oriented WebRTC SDK of Tencent Cloud's real-time communication solution. Web developers can use TRTC Web SDK to establish an audio/video calls or live streaming services on your website.
TRTC Web SDK supports major modern browsers. For details, please refer to [Browsers Supported](https://web.sdk.qcloud.com/trtc/webrtc/v5/doc/en/tutorial-05-info-browser.html).
Refer to the following two tutorials for a quick run-through of the demo and how to use the SDK to implement basic audio and video calling functionality.
Explore SDK documents:[TRTC Web SDK](https://web.sdk.qcloud.com/trtc/webrtc/v5/doc/en/index.html)
## API Overview
- [TRTC](https://web.sdk.qcloud.com/trtc/webrtc/v5/doc/en/TRTC.html) is the main entry for TRTC SDK, providing APIs such as create trtc instance([TRTC.create](https://web.sdk.qcloud.com/trtc/webrtc/v5/doc/en/TRTC.html#.create)), [TRTC.getCameraList](https://web.sdk.qcloud.com/trtc/webrtc/v5/doc/en/TRTC.html#.getCameraList), [TRTC.getMicrophoneList](https://web.sdk.qcloud.com/trtc/webrtc/v5/doc/en/TRTC.html#.getMicrophoneList), [TRTC.isSupported](https://web.sdk.qcloud.com/trtc/webrtc/v5/doc/en/TRTC.html#.isSupported).
- [trtc](https://web.sdk.qcloud.com/trtc/webrtc/v5/doc/en/TRTC.html) instance, provides the core capability for real-time audio and video calls.
- Enter room [trtc.enterRoom](https://web.sdk.qcloud.com/trtc/webrtc/v5/doc/en/TRTC.html#enterRoom)