POST request with numpy arrays instead of local files

Hello,

I would like to use the face recognition service with numpy arrays instead of local files

**Describe the solution you'd like**
I would like to make a POST request to the face recognition service with a numpy array insted of athe local address of the file

**Describe alternatives you've considered**
Is there a way to convert them in such a way that the REST API wiil accept them?

Thanks