> ## Documentation Index
> Fetch the complete documentation index at: https://docs.leapx-hub.com/llms.txt
> Use this file to discover all available pages before exploring further.

# AI生图-图生图

## 简介

提交图生图任务，用于根据输入图片生成新的图片。请求体使用 **VolcImageDTO**，根级为 `volcImageBo` 对象（与 OpenAPI 默认模块一致）。

## 认证

<ParamField header="Authorization" type="string" required>
  Bearer Token，如 `Bearer eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9...`
  获取方法：依照左侧最上面认证模块的post接口获取，`https://docs.leapx-hub.com/cn/leapx-lab-v4/endpoint/get-token`
</ParamField>

## 请求参数

请求体为 JSON，根级字段 `volcImageBo` 对应图生图参数对象。

<ParamField body="volcImageBo.imageUrl" type="string" required>
  图片链接（单图）
</ParamField>

<ParamField body="volcImageBo.image_urls" type="array[string]">
  图片 url 数组。0：输入图片（三通道 RGB）；1：输入 mask（单通道灰度，原图保持为 0/黑色，待消除区域为 255/白色）
</ParamField>

<ParamField body="volcImageBo.prompt" type="string" required>
  提示词
</ParamField>

<ParamField body="volcImageBo.req_key" type="string">
  请求标识
</ParamField>

<ParamField body="volcImageBo.return_url" type="boolean">
  是否返回图片 URL
</ParamField>

### 示例代码

<Tabs>
  <Tab title="cURL示例">
    ```bash theme={null}
    curl -X POST "https://leapx-hub.com/prod-api/nebula/v4/api/img2imgSubmit" \
      -H "Content-Type: application/json" \
      -H "Authorization: Bearer sk-xxxxxxxxxx" \
      -d '{
        "volcImageBo": {
          "imageUrl": "https://example.com/source.jpg",
          "image_urls": ["https://example.com/source.jpg"],
          "prompt": "变成油画风格",
          "req_key": "img2img_001",
          "return_url": true
        }
      }'
    ```
  </Tab>

  <Tab title="Python示例">
    ```python theme={null}
    import requests
    import json

    url = "https://leapx-hub.com/prod-api/nebula/v4/api/img2imgSubmit"
    headers = {
        "Content-Type": "application/json",
        "Authorization": "Bearer sk-xxxxxxxxxx"
    }
    data = {
        "volcImageBo": {
            "imageUrl": "https://example.com/source.jpg",
            "image_urls": ["https://example.com/source.jpg"],
            "prompt": "变成油画风格",
            "req_key": "img2img_001",
            "return_url": True
        }
    }

    response = requests.post(url, headers=headers, data=json.dumps(data))
    print(response.json())
    ```
  </Tab>
</Tabs>

### 响应示例

<ResponseExample>
  ```json theme={null}
  {
    "code": 200,
    "msg": "操作成功",
    "data": {
      "images": [{
        "url": "https://example.com/image.jpg"
      }]
    }
  }
  ```
</ResponseExample>