There seems to be a GroupDocs’ backend account/storage mapping issue using python. I had similar problems testing with Aspose (and finally gave up). I can authenticate, but I always get a 401 for uploads. I’ve tried with…...post( TOKEN_URL, data={ "grant_type": "client_credentials"...resp = requests.put(upload_url, data=f, headers=headers) resp.raise_for_status()...