Luma Ray 3.2 Text to Video

POST/v1/run

Agent Ray 3.2 is Luma'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 luma/agent/ray/3.2/text-to-video.

Default: luma/agent/ray/3.2/text-to-video

stringpromptrequired

Text prompt describing the video 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

Resolution of the generated video. Higher resolutions cost more.

Allowed values: 540p, 720p, 1080p

Default: 540p

Optional<integer>duration

Duration of the generated video.

Default: 5s

Optional<boolean>loop

Generate a seamless loop. Only valid for 5s, standard-dynamic-range generations without an end frame.

Default: false

Optional<boolean>hdr

Generate an HDR-encoded MP4. Requires HDR access on the account and a resolution of 720p or 1080p; not supported with 10s or loop.

Default: false

Optional<boolean>exr_export

Also export an EXR file alongside the MP4. Requires hdr=true and HDR access.

Default: false

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": "luma/agent/ray/3.2/text-to-video",
  "prompt": "A herd of wild horses galloping across a dusty desert plain under a blazing midday sun, their manes flying in the wind; wide tracking shot.",
  "aspect_ratio": "21:9",
  "duration": "5s"
}'

# 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": "luma/agent/ray/3.2/text-to-video",
  "status": "running"
}