VideoGenerationResponse

{
    "request_id": "req_1234567890",
    "status": "processing",
    "model": "grok-imagine-video",
    "video": {
        "url": "https://cdn.example.com/videos/tmp/req_1234567890.mp4?token=xxx&expires=1710003600",
        "duration": 8,
        "respect_moderation": true
    },
    "usage": {
        "cost_in_usd_ticks": 2500000000
    },
    "error": {
        "code": "invalid_argument",
        "message": "prompt is required"
    }
}