Upload ONLY with API

Hi guys, I just create a python code that automatic create two share Folders, one for Download, one for Upload, the code works good but in the Upload Folder it also allow download the Files, following the API Documentation I used for share Folder Upload Share type = 3 and Permission= 4, can someone help me? Thanks in advance

Hi I create an small script that generates 2 Folders (Download and Upload), using API documentation, I used for the Upload Folder Share type= 3 and Permission = 4, the problem is, in Upload is also possible to download, is there any Upload Only permit on API? how can I fix this issue?