curl --request GET \
  --url https://api.spikelabs.com/v1/video/generations/{generation_id} \
  --header 'Authorization: Bearer <token>'

{
  "id": "vid_abc123",
  "object": "video.generation",
  "status": "pending",
  "created_at": "2023-11-07T05:31:56Z",
  "personality_id": "<string>",
  "progress": 50,
  "video_url": "<string>",
  "thumbnail_url": "<string>",
  "duration": 123,
  "error": {
    "code": "<string>",
    "message": "<string>"
  },
  "completed_at": "2023-11-07T05:31:56Z"
}