curl -X POST "http://VM_API_IP:PORT/file" \
  -H "Content-Type: application/json" \
  -d '{"path": "/home/user/Documents/Final_Report.docx"}' \
  --output Final_Report.docx

curl -X POST "http://VM_API_IP:PORT/file" \
  -H "Content-Type: application/json" \
  -d '{"path": "C:\\Users\\user\\Documents\\Report.xlsx"}' \
  --output Report.xlsx

curl -X POST "http://VM_API_IP:PORT/file" \
  -H "Content-Type: application/json" \
  -d '{"path": "/home/user/Pictures/diagram.png"}' \
  --output diagram.png

[Binary file content - save to file]

{
  "error": "File not found: /home/user/Documents/nonexistent.docx"
}