from gcore import Gcore

client = Gcore(
    api_key="My API Key",
)
overlay = client.streaming.streams.overlays.update(
    overlay_id=0,
    stream_id=0,
)
print(overlay.id)

{
  "id": 1,
  "stream_id": 12345,
  "url": "http://domain.com/myoverlay1.html",
  "width": 120,
  "height": 40,
  "x": 30,
  "y": 30,
  "stretch": false,
  "created_at": "2023-09-20T00:01:01.000Z",
  "updated_at": "2023-10-01T12:01:01.000Z"
}