Sounds like a question for that service, not OBS. If they don't have an answer, switch services.
YouTube has some code that you're supposed to just copy/paste into your website, and it gives you a complete player window that connects to your video on YT:
You can add a YouTube video or playlist to a website or blog by embedding it. If you are an educator, get in touch with your Educational Technology platform for info on how to embed YouTube content f
support.google.com
I'm sure other services have something similar. Or perhaps you could use that one as a template, and point it to your video on a different service instead?
