Is there any api avaible to get the google nest camera stream?

having issue while accessing the RTSP link for the nest camera. is there any api availble to get the RTSP feed.
Response: {
“error”: {
“code”: 400,
“message”: “Command sdm.devices.commands.CameraLiveStream.GenerateRtspStream not supported.”,
“status”: “INVALID_ARGUMENT”
}