API reference · KwaiVGI

kwaivgi/kling-video/o3/standard/edit

Integrate this model through SandBase's unified API, with production-ready schemas and examples.

IMAGEAsyncOpen model

Production endpoint

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OpenAI-compatible endpoint with unified authentication and usage tracking.

POSThttps://api.sandbase.ai/v1/run

Model IDkwaivgi/kling-video/o3/standard/edit

Input Schema

5 parameters · 1 required · 4 optional

Parameter	Type	Required	Description
`prompt`	string	Required	Text prompt for video generation. Reference video as @Video1. · Max length: 2500
`video`	string	Optional	Reference video URL. Only .mp4/.mov formats, 3-10s duration, 720-2160px resolution, max 200MB.
`images`	string[]	Optional	Reference images for style/appearance. Reference in prompt as @Image1, @Image2, etc. Maximum 4 total (elements + reference images) when using video.
`shot_type`	string	Optional	The type of multi-shot video generation. · Default: "customize"
`keep_audio`	boolean	Optional	Whether to keep the original audio from the reference video. · Default: true

Output Schema

Field	Type	Description
`id`	string	Unique identifier for the generation task
`status`	string	Task status: pending, running, completed, failed, timeout
`model`	string	Model used for the generation
`outputs`	array	Array of output items
`outputs[].url`	string	URL of the generated artifact
`outputs[].content_type`	string	MIME type (e.g. image/png, video/mp4)
`error`	object \| null	Error details if failed, null on success
`error.type`	string	Machine-readable error type code
`error.message`	string	Human-readable error description

Async Workflow

This model uses asynchronous execution. Submit a request and poll for the result.

Submit — POST to /v1/run, receive an id
Poll — GET /v1/run/{id} until status is completed, failed, or timeout
Retrieve — Read outputs from the completed response

Code Examples

Ready-to-run snippets

# Step 1: Submit
curl -X POST https://api.sandbase.ai/v1/run \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
  "model": "kwaivgi/kling-video/o3/standard/edit",
  "video": "https://storage.googleapis.com/falserverless/example_inputs/kling-o3/standard-v2v-edit/standard_video_reference.mp4",
  "images": [
    null
  ],
  "prompt": "change the main character to be Popeye from @Element1, dark lighting and rain, 3d character. make him sad, with rain dropping on him, dark light on the character.",
  "shot_type": "customize",
  "keep_audio": true
}'

# Step 2: Poll result (replace <id>)
curl https://api.sandbase.ai/v1/run/<id> \
  -H "Authorization: Bearer YOUR_API_KEY"

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