跳转到主要内容
POST
/
kling
/
v1
/
images
/
editing
/
expand
Request a Kling image-expansion task
curl --request POST \
  --url https://api.cometapi.com/kling/v1/images/editing/expand \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "image": "https://cdn.britannica.com/70/234870-050-D4D024BB/Orange-colored-cat-yawns-displaying-teeth.jpg",
  "up_expansion_ratio": 0.1,
  "right_expansion_ratio": 0.1,
  "left_expansion_ratio": 0.1,
  "bottom_expansion_ratio": 0.1
}
'
{
  "code": 123,
  "message": "<string>",
  "data": {
    "task_id": "<string>",
    "task_status": "<string>",
    "created_at": 123,
    "updated_at": 123
  },
  "request_id": "<string>"
}

Documentation Index

Fetch the complete documentation index at: https://apidoc.cometapi.com/llms.txt

Use this file to discover all available pages before exploring further.

当你需要在源内容周围获得更多画布空间时，可使用此端点将图像扩绘到其原始边界之外。

​
扩展比例如何生效

  • 每个比例都以原始宽度或高度为基准进行计算
  • 扩展后的总画布仍必须保持在 Kling 文档说明的面积限制范围内
  • 在尝试更大范围扩展之前，先从每一侧使用 0.1 这类较小的值开始

​
当前可用性

  • 文档中记录的路由为 POST /kling/v1/images/editing/expand
  • 此端点会返回 404 响应
在将此路由集成到生产流程之前，请先确认其可用性。
完整参数参考请见 Kling 官方文档。

授权

​
Authorization
string
header
必填

Bearer token authentication. Use your CometAPI key.

请求头

​
Content-Type
string

Optional content type header.

请求体

application/json
​
image
string
默认值:https://cdn.britannica.com/70/234870-050-D4D024BB/Orange-colored-cat-yawns-displaying-teeth.jpg
必填

Source image to expand. Accepts an image URL or raw Base64 string (no data: prefix). Supported formats: JPG, JPEG, PNG. Max 10 MB, minimum 300×300 px, aspect ratio between 1:2.5 and 2.5:1.

​
up_expansion_ratio
number
默认值:1
必填

Upward expansion as a multiple of the original image height. Range: 0–2. The resulting image area must not exceed 3× the original.

​
right_expansion_ratio
number
默认值:1
必填

Rightward expansion as a multiple of the original image width. Range: 0–2. The resulting image area must not exceed 3× the original.

​
left_expansion_ratio
number
默认值:1
必填

Leftward expansion as a multiple of the original image width. Range: 0–2. The resulting image area must not exceed 3× the original.

​
bottom_expansion_ratio
number
默认值:1
必填

Downward expansion as a multiple of the original image height. Range: 0–2. The resulting image area must not exceed 3× the original.

​
prompt
string

Optional text prompt to guide the expanded area content. Max 2500 characters.

​
n
string

Number of expanded images to generate.

​
callback_url
string

Webhook URL for task status notifications. The server sends a callback when the task status changes.

​
external_task_id
string

Optional user-defined task ID for your own tracking. Does not replace the system-generated task ID. Must be unique per account.

响应

Task accepted when the route is available.

​
code
integer
必填

Error code; specifically define the error code

​
message
string
必填

error message

​
data
object
必填
​
request_id
string

Request ID, system-generated, for tracking requests, troubleshooting issues