APIVideo Generation
Kling 3.0
Configurable fields and supported values for kling-3.0.
Model ID
kling-3.0
Capabilities
| Capability | Supported value |
|---|---|
| Text-to-video | Yes |
| Image-to-video | Yes |
| Multi-image / reference video | Yes |
| Start/end frames | Yes |
| Motion transfer | Yes |
| Audio input | No |
| Generated audio | Yes |
| Resolution | 720p, 1080p, 4k |
| Aspect ratio | 1:1, 16:9, 9:16 |
Duration (seconds) | Any integer from 1 to 15 |
Configurable fields
| Field | Required | Notes |
|---|---|---|
model | Yes | Must be kling-3.0. |
prompt | Yes | Video description or transformation instruction. |
seconds | No | Must use the supported range or fixed values above. |
input_reference | Conditional | Reference image URL or URL list; provide for image-to-video and omit for text-to-video. |
size | No | Legacy pixel dimensions. Prefer extra_body.resolution and extra_body.aspect_ratio. |
extra_body.resolution | No | Select one supported resolution above. |
extra_body.aspect_ratio | No | Select one supported ratio above; omit when the ratio follows the reference image. |
extra_body.reference_image_urls | No | Multiple reference image URLs for multimodal reference generation. |
extra_body.reference_video_urls | No | Reference video URL list for multimodal reference generation. |
extra_body.first_frame_url | No | First-frame image URL; may be used alone or with last_frame_url. |
extra_body.last_frame_url | Conditional | Last-frame image URL; use together with first_frame_url. |
extra_body.motion_ref_url | No | Motion reference video URL for motion transfer. |
extra_body.motion_ref_urls | No | Multiple motion-reference video URLs when supported. |
extra_body.motion_mode | No | std or pro. |
extra_body.character_orientation | No | image or video. |
extra_body.keep_original_sound | No | Preserve sound from the motion-reference video. |
extra_body.camera_control | No | Motion camera-control object. |
extra_body.element_list | No | Subject-reference or element list. |
extra_body.background_tolerance | No | Motion background tolerance. |
extra_body.generate_audio | No | Whether to generate audio in the output video. |
extra_body.negative_prompt | No | Content or visual traits to avoid. |
extra_body.seed | No | Integer random seed. |
Do not send unsupported audio, frame, reference, or private provider fields. Account availability is determined by the model list API.
Example
{
"model": "kling-3.0",
"prompt": "A cinematic tracking shot through a coastal city",
"seconds": 8,
"extra_body": {
"resolution": "1080p",
"aspect_ratio": "16:9"
}
}Last updated on