生成视频

以下内容来自 Apifox 快照，可能包含兼容层字段或旧示例；公开调用请以本页的协议说明和当前模型列表为准。

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  "status": -2,
  "requestBody": {
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    "jsonSchema": {
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        "model": {
          "description": "模型名称, (必选) 用于指定本次视频生成所用到的模型。示例值：wan2.5-i2v-preview。",
          "type": "string"
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        "input": {
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            "prompt": {
              "description": "提示词, (可选) 用来描述生成图像中期望包含的元素和视觉特点。",
              "type": "string"
            },
            "negative_prompt": {
              "description": "反向提示词, (可选) 用来描述不希望在视频画面中看到的内容。",
              "type": "string"
            },
            "img_url": {
              "description": "首帧图像, (必选) 首帧图像的URL或 Base64 编码数据。",
              "type": "string"
            },
            "audio_url": {
              "description": "音频文件URL, (可选，仅wan2.5-i2v-preview支持) 模型将使用该音频生成视频。",
              "type": "string"
            },
            "template": {
              "description": "视频特效模板, (可选) 视频特效模板的名称。若未填写，表示不使用任何视频特效。",
              "type": "string"
            }
          },
          "required": [
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            "img_url",
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        "parameters": {
          "type": "object",
          "properties": {
            "resolution": {
              "description": "视频分辨率, (可选) 指定生成的视频分辨率档位，不改变视频的宽高比。",
              "type": "string"
            },
            "duration": {
              "description": "视频时长, (可选) 生成视频的时长，单位为秒。该参数的取值依赖于model参数。",
              "type": "integer"
            },
            "prompt_extend": {
              "description": "Prompt智能改写, (可选) 是否开启prompt智能改写。默认值为true。",
              "type": "boolean"
            },
            "watermark": {
              "description": "水印标识, (可选) 是否添加“AI生成”水印标识。默认值为false。",
              "type": "boolean"
            },
            "audio": {
              "description": "自动添加音频, (可选，仅wan2.5-i2v-preview支持) 控制是否自动为视频添加音频，仅在audio_url为空时生效。",
              "type": "boolean"
            },
            "seed": {
              "description": "随机数种子, (可选) 固定seed值有助于提升生成结果的可复现性。",
              "type": "integer"
            }
          },
          "required": [
            "resolution",
            "duration",
            "prompt_extend",
            "watermark",
            "audio",
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          ],
          "description": "视频处理参数, (可选) 视频的高级处理参数，如设置分辨率、时长、水印等。",
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  "createdAt": "2026-08-02T03:53:34.000Z",
  "updatedAt": "2026-08-06T12:15:55.000Z",
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