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POST
/
v3
/
async
/
kling-v1.6-i2v
KLING V1.6 Image-to-Video
curl --request POST \
  --url https://api.highwayapi.ai/v3/async/kling-v1.6-i2v \
  --header 'Authorization: <authorization>' \
  --header 'Content-Type: <content-type>' \
  --data '
{
  "mode": "<string>",
  "image_url": "<string>",
  "end_image_url": "<string>",
  "prompt": "<string>",
  "negative_prompt": "<string>",
  "duration": 123,
  "guidance_scale": 123
}
'
{
  "task_id": "<string>"
}
KLING V1.6 Image-to-Video is an AI image-to-video generation model developed by the Kuaishou AI team. It can convert images into dynamic 5-second videos, supports 720p / 1080p resolutions, and provides high-quality visual output with enhanced motion and semantic understanding.
This is an asynchronous API and will only return the asynchronous task’s task_id. You should use that task_id to request the Get Task Result API to retrieve the video generation result.

​
Request Headers

​
Content-Type
string
required
Enum value: application/json
​
Authorization
string
required
Bearer authentication format: Bearer {{API Key}}.

​
Request Body

​
mode
string
Video generation mode.Supported:
  • Standard: Fast generation, lower cost, generates 720p videos.
  • Professional: High quality, higher cost, generates 1080p videos, and allows setting an end frame.
Default value: Standard.
​
image_url
string
required
URL of the starting-frame image used for video generation.
​
end_image_url
string
URL of the ending-frame image used for video generation.
Available only when mode is Professional.
​
prompt
string
required
The prompt used to guide the generation.Value range: 1 <= x <= 2000.
​
negative_prompt
string
Negative prompt, used to indicate what the model should avoid generating.Value range: 0 <= x <= 2000.
​
duration
integer
Duration of the generated video (seconds). Default value: 5.
Available values: 5, 10
​
guidance_scale
float
Guidance strength parameter, controlling how closely the generated content follows the prompt.Value range: 0 <= x <= 1. Default value: 0.5.

​
Response Information

​
task_id
string
required
The task_id of the asynchronous task. You should use this task_id to request the Get Task Result API to obtain the generation result