PixVerse V4.5 Text to Video Fast

POST/v1/run

V4.5 Fast is PixVerse's text-to-video AI model. Turn written scripts and prompts into professional-quality video clips with realistic motion, lighting, and scene composition.

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/text-to-video/fast.

Default: pixverse/v4.5/text-to-video/fast

stringpromptrequired

Text prompt that describes the image or asset to generate.

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>resolution

The resolution of the generated video

Allowed values: 360p, 540p, 720p

Default: 720p

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>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: text-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": "pixverse/v4.5/text-to-video/fast",
  "prompt": "Epic low-cut camera capture of a girl clad in ultraviolet threads, Peter Max art style depiction, luminous diamond skin glistening under a vast moon's radiance, embodied in a superhuman flight among mystical ruins, symbolizing a deity's ritual ascent, hyper-detailed",
  "aspect_ratio": "21:9"
}'

# 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": "pixverse/v4.5/text-to-video/fast",
  "status": "running"
}