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
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Supports:
application/jsonstring
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Bearer authentication format, for example: Bearer {{API Key}}.
Request Body
boolean
Standard:false
Whether to generate synchronized audio simultaneously with the video. Supports Chinese and English voice output.
string
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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
Standard: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
Standard:"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
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Use the task_id to request the Task Result API to retrieve the generated outputs.
Zuletzt geändert am 15. Mai 2026