Kling V3

kling-v3 is standard, pro, and 4K tiers with optional generated audio. Its backend model schema is the source of truth for supported parameters.

Item	Value
Model ID	`kling-v3`
Type	Video
Region	Global / CN
Best For	standard, pro, and 4K tiers with optional generated audio

Recommended Request Shape

Call POST /v1/quote first and send exactly the same parameters when creating the task.

{
  "model": "kling-v3",
  "prompt": "A cinematic product reveal",
  "mode": "pro",
  "audio": false,
  "duration": 5,
  "aspect_ratio": "16:9"
}

Field	Type	Required	Default	Description
`model`	`string`	Yes	-	Must be `kling-v3`
`prompt`	`string`	Yes	-	Video prompt
`reference_images`	`string[]`	No	-	Reference image URLs
`mode`	`string`	No	`std`	Quality tier: standard, pro, or 4K where supported
`audio`	`boolean`	No	`false`	Whether to generate audio
`duration`	`integer`	No	`5`	Output duration
`aspect_ratio`	`string`	No	`16:9`	Frame ratio

Motion-control fields are not exposed by the regular public flow.
Resolution is represented by mode; do not also send resolution.
Do not send fields absent from the model schema; use the live GET /v1/models response as authoritative.

{
  "model": "kling-v3",
  "prompt": "A cinematic product reveal"
}