Skip to main content
POST
Kling v3.0 Standard Text-to-Video
Kling v3.0 Standard Text-to-Video generates high-quality videos from text prompts, featuring smooth motion effects, cinematic visuals, accurate prompt adherence, and optional native audio co-generation. It supports durations of 3–15 seconds and multiple aspect ratios.
This is an asynchronous API and only returns the async task’s task_id. You should use this task_id to request the Get Task Result API to retrieve the generated result.

Request Headers

string
required
Enum value: application/json
string
required
Bearer authentication format: Bearer {{API Key}}.

Request Body

boolean
default:false
Whether to generate audio while generating the video. Supports Chinese and English voice output.
string
required
The positive prompt text for generating the video; must not exceed 2500 characters.Length limit: 0 - 2500
integer
default:5
The duration of the generated video, in seconds.Allowed values: 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15
number
Controls the flexibility of video generation. Set to 0 for maximum creative freedom, 0.5 (default) for a balanced result, and 1 to strictly follow the prompt.Value range: [0, 1]
string
default:"16:9"
The aspect ratio of the generated video.Allowed values: 16:9, 9:16, 1:1
string
Negative prompt, describing elements to avoid in the generated video; must not exceed 2500 characters.Length limit: 0 - 2500

Response Information

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