Kling v3.0 4K Text-to-Video
Video Generator
Kling v3.0 4K Text-to-Video
POST
Kling v3.0 4K Text-to-Video
Kling v3.0 4K Text-to-Video generates native 4K ultra-high-definition videos from text prompts with cinematic quality, smooth motion, precise prompt adherence, and optional synchronized audio generation. Supports 3-15 second durations and multiple aspect ratios.
Request Headers
string
requerido
Supports:
application/jsonstring
requerido
Bearer authentication format, for example: Bearer {{API Key}}.
Request Body
boolean
predeterminado:false
Whether to generate synchronized audio simultaneously with the video. Supports Chinese and English voice output.
string
requerido
Positive prompt text for video generation, describing scene motion, camera movement, actions, voice style, atmosphere, and sound effects; must not exceed 2500 characters.Length limit: 0 - 2500
integer
predeterminado:5
Duration of generated video in seconds. Supports flexible durations from 3 to 15 seconds.Value range: [3, 15]
number
Controls flexibility of video generation. Higher values result in content more closely following the prompt; lower values produce more natural motion.Value range: [0, 1]
string
predeterminado:"16:9"
Aspect ratio of generated video.Optional values:
16:9, 9:16, 1:1string
Negative prompt describing elements to avoid in video and audio; must not exceed 2500 characters.Length limit: 0 - 2500
Response
string
requerido
Use the task_id to request the Task Result API to retrieve the generated outputs.
Última modificación el 15 de mayo de 2026