openai 创建视频，图生

接口: POST https://4zapi.com/v1/videos

请求体 (multipart/form-data)

• model (string, 必填): 模型名称
• prompt (string, 必填): 提示词
• input_reference (string): 图片 url
• seconds (number): 时长 6s / 10s
• size (string): 16:9 , 9:16

请求示例

{
  "input_reference": "",
  "model": "grok-imagine-video-1.5",
  "prompt": "让牛快乐的跳科目三",
  "seconds": 6,
  "size": "16:9"
}