How I can massively upload files into openai so I can make my vector?

As I ask upon:
https://community.openai.com/t/how-i-can-use-a-less-api-calls-for-mass-file-uploads-to-openai/1016130

I try to upload a list of files located upon a directory into a vector store. But it seem that I may need to do multiple api calls in order to do that.

I tried to keep record for each file that I have uploaded but still if I am making a new vector and have 1000 files I need still I need to perform 1000 api calls.

Is there a way to upload these files en messe (or in a some sort of bulk action)?