{
  "input": {
    "negative_prompt": {
      "description": "反向提示词，用来描述不希望在视频画面中出现的内容，可以对视频画面进行限制",
      "max_chars": 500,
      "required": false,
      "type": "string"
    },
    "prompt": {
      "description": "文本提示词。支持中英文，每个汉字/字母/标点占一个字符，超过部分自动截断。通过 character1、character2 引用参考角色，每个参考仅包含单一角色。模型仅通过此方式识别参考中的角色",
      "max_chars": 1500,
      "required": true,
      "type": "string"
    },
    "reference_urls": {
      "image_formats": ["JPEG", "JPG", "PNG", "BMP", "WEBP"],
      "image_max": 5,
      "image_max_size_mb": 20,
      "image_note": "PNG不支持透明通道",
      "image_resolution_px": {
        "max": 8000,
        "min": 240
      },
      "items": "string",
      "ref_ordering": "按数组顺序定义角色顺序，第1个URL对应character1，第2个对应character2，依此类推。每个参考文件仅包含一个主体角色",
      "required": true,
      "total_max": 5,
      "type": "array",
      "video_duration_sec": {
        "max": 30,
        "min": 1
      },
      "video_formats": ["MP4", "MOV"],
      "video_max": 3,
      "video_max_size_mb": 100
    }
  },
  "model": "wan2.6-r2v-flash",
  "parameters": {
    "audio": {
      "default": true,
      "description": "是否生成有声视频",
      "required": false,
      "supported_models": ["wan2.6-r2v-flash"],
      "type": "boolean"
    },
    "duration": {
      "default": 5,
      "description": "生成视频的时长，单位为秒",
      "max": 10,
      "min": 2,
      "required": false,
      "type": "integer"
    },
    "seed": {
      "max": 2147483647,
      "min": 0,
      "required": false,
      "type": "integer"
    },
    "shot_type": {
      "default": "single",
      "description": "镜头类型。参数优先级：shot_type \u003e prompt。single=单镜头视频，multi=多镜头视频",
      "enum": ["single", "multi"],
      "required": false,
      "type": "string"
    },
    "size": {
      "default": "1920*1080",
      "description": "视频分辨率，格式为宽*高。必须设置为具体数值（如1280*720），而不是1:1或720P",
      "format": "{width}*{height}",
      "required": false,
      "sizes": {
        "1080P": {
          "16:9": "1920*1080",
          "1:1": "1440*1440",
          "3:4": "1248*1632",
          "4:3": "1632*1248",
          "9:16": "1080*1920"
        },
        "720P": {
          "16:9": "1280*720",
          "1:1": "960*960",
          "3:4": "832*1088",
          "4:3": "1088*832",
          "9:16": "720*1280"
        }
      },
      "type": "string"
    },
    "watermark": {
      "default": false,
      "required": false,
      "type": "boolean"
    }
  }
}