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WebSockets API for OBS Studio.

Build Status CodeFactor Twitter Discord Financial Contributors on Open Collective


Binaries for Windows, MacOS, and Linux are available in the Releases section.


If you're using MacOS you can use Homebrew for installation as well:

brew install obs-websocket

Using obs-websocket

Here is a list of available web clients: (compatible with tablets and other touch interfaces)

It is highly recommended to protect obs-websocket with a password against unauthorized control. To do this, open the "Websocket server settings" dialog under OBS' "Tools" menu. In the settings dialogs, you can enable or disable authentication and set a password for it.

Possible use cases

  • Remote control OBS from a phone or tablet on the same local network
  • Change your stream overlay/graphics based on the current scene
  • Automate scene switching with a third-party program (e.g. : auto-pilot, foot pedal, ...)

For developers

The server is a typical Websockets server running by default on port 4444 (the port number can be changed in the Settings dialog). The protocol understood by the server is documented in

Here's a list of available language APIs for obs-websocket :

I'd like to know what you're building with or for obs-websocket. If you do something in this fashion, feel free to drop a message in #project-showoff in the discord server!

Securing obs-websocket (via TLS/SSL)

If you are intending to use obs-websocket outside of a LAN environment, it is highly recommended to secure the connection using a tunneling service.

See the SSL tunnelling guide for easy instructions on how to encrypt your websocket connection.

Compiling obs-websocket

See the build instructions.


See the contributing document


Your help is welcome on translations.

Please join the localization project on Crowdin

Special thanks

Thank you so much to all of the contibutors (here) for your amazing help.

And also: special thanks to supporters of the project!


These supporters have contributed financially to the project and made possible the addition of several features into obs-websocket. Many thanks to them!

Support Class designs and develops professional livestreams, with services ranging from broadcast graphics design and integration to event organization, along many other skills.

Support Class

MediaUnit is a Norwegian media company developing products and services for the media industry, primarly focused on web and events.



Code Contributors

This project exists thanks to all the people who contribute. [Contribute].

Financial Contributors

Become a financial contributor and help us sustain our community. [Contribute]



Support this project with your organization. Your logo will show up here with a link to your website. [Contribute]