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 a run response. If its status is pending or running, poll GET /v1/run/{id} with the returned opaque ID until it reaches a terminal state.

stringidrequired

Opaque SandBase run identifier. Use it exactly as returned; no prefix is guaranteed.

stringstatusrequired

Current public run status.

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

Optional<string>model

Public SandBase model name used for this run.

Optional<array<object>>outputs

Present only for completed runs. Each object is capability-specific; inspect the selected model schema for its fields.

Optional<object>error

Present only for failed or timeout runs. Contains a public error type and sanitized message.

Optional<string>error.type

Stable public error category.

Optional<string>error.message

Sanitized error message safe to show to clients.

Optional<object>usage

Usage details when available.

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/f3d2e8a1-7c4b-4a12-9d2e-123456789abc \
  -H "Authorization: Bearer $SANDBASE_API_KEY"

Response202 Accepted

{
  "id": "f3d2e8a1-7c4b-4a12-9d2e-123456789abc",
  "model": "kwaivgi/kling-video/v1/standard/image-to-video",
  "status": "running"
}