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POST
/
v3
/
async
/
kling-v3.0-pro-t2v
Kling v3.0 Pro text to video
curl --request POST \
  --url https://api.myrouter.ai/v3/async/kling-v3.0-pro-t2v \
  --header 'Authorization: <authorization>' \
  --header 'Content-Type: <content-type>' \
  --data '
{
  "sound": true,
  "prompt": "<string>",
  "duration": 123,
  "cfg_scale": 123,
  "aspect_ratio": "<string>",
  "multi_prompt": [
    {}
  ],
  "negative_prompt": "<string>"
}
'
{
  "task_id": "<string>"
}
Kling v3.0 Pro text-to-video generates high-quality videos from text prompts with natural motion and smooth scene dynamics. Supports flexible duration from 3 to 15 seconds, synchronized audio-video generation, and multi-shot video generation.
This is an async API that only returns the task_id of the async task. Use the task_id to call the Get Async Task Result API to retrieve the generated result.

​
Request Headers

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

​
Request Body

​
sound
boolean
default:false
Whether to generate audio along with the video.
​
prompt
string
required
Positive prompt text for video generation. Can describe scene motion, camera movement, actions, voice style, atmosphere, and sound effects. Maximum 2500 characters. Mutually exclusive with multi_prompt.Length limit: 0 - 2500
​
duration
integer
default:5
Duration of the generated video in seconds. Supports flexible duration from 3 to 15 seconds.Range: [3, 15]
​
cfg_scale
number
Controls the flexibility of video generation. Higher values make the generated content adhere more closely to the prompt; lower values produce more natural motion.Range: [0, 1]
​
aspect_ratio
string
default:"16:9"
Aspect ratio of the generated video.Possible values: 16:9, 9:16, 1:1
​
multi_prompt
array
List of prompts for multi-shot video generation. Divides the video into multiple shots. Mutually exclusive with prompt.
​
negative_prompt
string
Negative prompt specifying elements to avoid in the visuals and audio. Maximum 2500 characters.Length limit: 0 - 2500

​
Response

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task_id
string
required
Use the task_id to call the Get Async Task Result API to retrieve the generated output.