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

# 图像生成

> 接口与可灵官网一致；支持文生图、图生图、角色/人脸参考

* 路径 `POST /kling/v1/images/generations`
* 与官网一致：本页所有请求体、字段命名与返回结构与可灵官网保持一致
* 字段详解：请参考[官网权威文档](https://klingai.kuaishou.com/docs)

请求参数

| 参数                 | 类型     | 必填    | 说明                                                                                   |
| ------------------ | ------ | ----- | ------------------------------------------------------------------------------------ |
| `model_name`       | string | 否     | 模型名称，默认 `kling-v1`。可选：`kling-v1`、`kling-v1-5`、`kling-v2`、`kling-v2-new`、`kling-v2-1` |
| `prompt`           | string | **是** | 正向文本提示词                                                                              |
| `negative_prompt`  | string | 否     | 负向文本提示词（图生图场景不支持）                                                                    |
| `image`            | string | 否     | 参考图像 URL 或 Base64                                                                    |
| `image_reference`  | string | 否     | 图片参考类型：`subject`（角色特征）、`face`（人物长相），仅 `kling-v1-5` 支持                                |
| `image_fidelity`   | number | 否     | 图片参考强度 \[0, 1]                                                                       |
| `human_fidelity`   | number | 否     | 面部参考强度 \[0, 1]                                                                       |
| `resolution`       | string | 否     | 清晰度：`1k`（标清）、`2k`（高清），默认 `1k`                                                        |
| `n`                | int    | 否     | 生成图片数量 \[1, 9]，默认 1                                                                  |
| `aspect_ratio`     | string | 否     | 纵横比：`16:9`、`9:16`、`1:1`、`4:3`、`3:4`、`3:2`、`2:3`、`21:9`，默认 `16:9`                     |
| `watermark_info`   | object | 否     | 是否生成含水印结果                                                                            |
| `callback_url`     | string | 否     | 回调通知地址                                                                               |
| `external_task_id` | string | 否     | 自定义任务ID                                                                              |

> **注意**：使用 `kling-v1-5` 且 `image` 参数不为空时，`image_reference` 参数必填。非 `kling-v1-5` 模型不支持 `image_reference`。
>
> **补充约束**：`prompt` 长度 ≤ 2500；图生图场景（`image` 非空）不支持 `negative_prompt`。

### 场景一：文生图

```bash theme={null}
curl --request POST \
  --url https://models.hingnet.com.cn/kling/v1/images/generations \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
    "model_name": "kling-v1",
    "prompt": "A beautiful sunset over the ocean, vibrant colors, high detail",
    "resolution": "2k",
    "n": 1,
    "aspect_ratio": "16:9"
  }'
```

### 场景二：角色特征参考

```bash theme={null}
curl --request POST \
  --url https://models.hingnet.com.cn/kling/v1/images/generations \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
    "model_name": "kling-v1-5",
    "prompt": "The character holding a magic wand in a fantasy forest",
    "image": "https://example.com/character-reference.jpg",
    "image_reference": "subject",
    "image_fidelity": 0.8,
    "resolution": "2k",
    "aspect_ratio": "3:4"
  }'
```

### 场景三：人脸参考

```bash theme={null}
curl --request POST \
  --url https://models.hingnet.com.cn/kling/v1/images/generations \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
    "model_name": "kling-v1-5",
    "prompt": "A professional headshot portrait, business attire, studio lighting",
    "image": "https://example.com/face-photo.jpg",
    "image_reference": "face",
    "human_fidelity": 0.9,
    "resolution": "2k",
    "aspect_ratio": "1:1"
  }'
```

### 场景四：批量生成

```bash theme={null}
curl --request POST \
  --url https://models.hingnet.com.cn/kling/v1/images/generations \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '{
    "model_name": "kling-v2",
    "prompt": "Abstract colorful artwork, modern style",
    "n": 4,
    "resolution": "1k",
    "aspect_ratio": "1:1"
  }'
```

示例响应

```json theme={null}
{
  "code": 0,
  "message": "success",
  "request_id": "req_1735558800_img123",
  "data": {
    "task_id": "task_01JGHP...",
    "task_status": "submitted",
    "created_at": 1735558800000,
    "updated_at": 1735558800000
  }
}
```

任务成功响应

```json theme={null}
{
  "code": 0,
  "message": "success",
  "data": {
    "task_id": "task_01JGHP...",
    "task_status": "succeed",
    "task_result": {
      "images": [
        {"index": 0, "url": "https://..."},
        {"index": 1, "url": "https://..."}
      ]
    }
  }
}
```
