FIXED NOW, SEE COMMENTS:

I have created an upload server where my model will upload the files (which is a wav).

I am following https://cog.run/http/#file-uploads

My request:

Response: (which is error)

It seems Cog can access /upload/audio.wav (404), but it have not HITed /upload (PUT).

My PUT /upload handler in rust.

open source code:

https://github.com/blogspeakai/uploadservice