Kling Video V1 Standard

POST/v1/run

Kling Video V1 Standard by KwaiVGI - animate still images into dynamic videos with AI. Transform photos into cinematic clips with natural motion, camera movement, and optional audio generation.

Request body

Submit an async generation request. The model field selects the model; other fields are model-specific input parameters.

stringmodelrequired

Model identifier. Set to kwaivgi/kling-video/v1/standard/image-to-video.

Default: kwaivgi/kling-video/v1/standard/image-to-video

stringpromptrequired

The prompt for the video

stringimagerequired

URL of the image to be used for the video

Optional<string>end_image

URL of the image to be used for the end of the video

Optional<integer>duration

The duration of the generated video in seconds

Allowed values: 5, 10

Default: 5

Optional<string>static_mask_url

URL of the image for Static Brush Application Area (Mask image created by users using the motion brush)

Optional<array<object>>dynamic_masks

List of dynamic masks

Response Schema

The submit endpoint returns an accepted generation task. Poll the result endpoint with the returned id for terminal outputs or errors.

Optional<string>error

Error message if the task failed. Empty on success.

stringidrequired

Unique identifier for the generation task.

Optional<string>model

Model ID used for the prediction.

Optional<array>outputs

Array of generated content. Empty when status is not completed.

stringstatusrequired

Status of the task: pending, running, completed, failed, or timeout.

Allowed values: pending, running, completed, failed, timeout

Model capabilities

array<string>capability_tagsrequired

Capabilities declared by the model registry.

Default: image-to-video

stringexecution_moderequired

Execution mode declared by the model registry.

Default: async

# 1. Submit a generation request
curl -X POST https://api.sandbase.ai/v1/run \
  -H "Authorization: Bearer $SANDBASE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "kwaivgi/kling-video/v1/standard/image-to-video",
  "prompt": "Snowflakes fall as a car moves forward along the road.",
  "image": "https://storage.googleapis.com/falserverless/kling/kling_input.jpeg",
  "duration": 5
}'

# 2. If the response is still running, poll the returned id
curl https://api.sandbase.ai/v1/run/run_abc123 \
  -H "Authorization: Bearer $SANDBASE_API_KEY"

Response202 Accepted

{
  "id": "run_abc123",
  "model": "kwaivgi/kling-video/v1/standard/image-to-video",
  "status": "running",
  "outputs": []
}