Is there any api from which we get the data information of storagedir i.e. [install-dir]/content-directory of wowza streaming engine like mp4 videos list.
Hello, I don’t know of a WSE REST API call that would do that. You could probably write a module to extend the REST API to do it. Sorry, but no endpoint to list the contents of the content directory.
@sneha_vishwakarma, To followup on what @Rose_Power-Wowza_Com said 
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create a custom module (for the purpose of building a jar)
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Create an HTTPProvider to hook that function to the browser call.
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Optionally add some security to the HTTP call
I see a lot of asking around about this and it seems there used to be a module for this long time back, so here is something for anyone looking for this functionality. You can use it out of the box or even modify it as you want.
It is an opensource implementation of an HTTP provider via a module to let you list out media files in the content directory.