curl --request GET \
  --url https://api.ttapi.io/grok/v1/videos/{request_id} \
  --header 'TT-API-KEY: <api-key>'

{
  "status": "done",
  "video": {
    "url": "https://cdn.ttapi.io/video/xxx.mp4",
    "duration": 10,
    "respect_moderation": true
  },
  "model": "grok-imagine-video",
  "usage": {
    "cost_in_usd_tocks": 123
  },
  "progress": 100
}