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PixVerse V4.5 Transition

POST/v1/run

V4.5 Transition is PixVerse's image-to-video AI model. Bring static images to life with fluid animation, consistent character motion, and professional-grade video output.

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 pixverse/v4.5/transition.

Default: pixverse/v4.5/transition

stringpromptrequired

The prompt for the transition

Optional<string>aspect_ratio

The aspect ratio of the generated image.

Allowed values: 21:9, 16:9, 3:2, 4:3, 5:4, 1:1, 4:5, 3:4, 2:3, 9:16

Optional<string>end_image

URL of the image to use as the last frame

Optional<string>resolution

The resolution of the generated video

Allowed values: 360p, 540p, 720p, 1080p

Default: 720p

Optional<integer>duration

The duration of the generated video in seconds

Allowed values: 5, 8

Default: 5

Optional<integer>seed

The same seed and the same prompt given to the same version of the model will output the same video every time.

Optional<string>first_image_url

URL of the image to use as the first frame

Optional<string>style

The style of the generated video

Allowed values: anime, 3d_animation, clay, comic, cyberpunk

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