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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.

Usa este endpoint para ampliar una imagen más allá de sus bordes originales cuando necesites más lienzo alrededor del contenido de origen.

​
Cómo funcionan las proporciones de expansión

  • Cada proporción se mide con respecto al ancho o alto original
  • El lienzo expandido combinado debe mantenerse dentro de los límites de área documentados de Kling
  • Comienza con valores pequeños como 0.1 en cada lado antes de intentar expansiones mayores

​
Disponibilidad actual

  • La ruta documentada es POST /kling/v1/images/editing/expand
  • Este endpoint devuelve una respuesta 404
Verifica la disponibilidad antes de integrar esta ruta en flujos de producción.
Para obtener la referencia completa de parámetros, consulta la documentación oficial de Kling.

Autorizaciones

​
Authorization
string
header
requerido

Bearer token authentication. Use your CometAPI key.

Encabezados

​
Content-Type
string

Optional content type header.

Cuerpo

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

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
predeterminado:1
requerido

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
predeterminado:1
requerido

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
predeterminado:1
requerido

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
predeterminado:1
requerido

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.

Respuesta

Task accepted when the route is available.

​
code
integer
requerido

Error code; specifically define the error code

​
message
string
requerido

error message

​
data
object
requerido
​
request_id
string

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