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Luma Agents
lumalabs.ai
API Reference
Generations

Get a generation

GET/generations/{generation_id}

Poll for generation status and output. On completion, the response includes presigned URLs to download the generated images.

Path ParametersExpand Collapse
generation_id: string
formatuuid
ReturnsExpand Collapse
Generation = object { id, created_at, model, 5 more }

Generation status and output

id: string

Generation identifier

formatuuid
created_at: string

Creation timestamp

model: Model

Model used

One of the following:
"uni-1"
"uni-1-max"
"ray-3.2"
state: "queued" or "processing" or "completed" or "failed"

Current state of the generation

One of the following:
"queued"
"processing"
"completed"
"failed"
type: "image" or "image_edit" or "video" or 3 more

The kind of generation to perform

One of the following:
"image"
"image_edit"
"video"
"video_edit"
"video_reframe"
"layering"
failure_code: optional GenerationFailureCode

Machine-readable failure code for programmatic handling

One of the following:
"content_moderated"
"generation_failed"
"budget_exhausted"
"output_not_found"
"image_too_large"
"unsupported_format"
"corrupt_input"
"invalid_request"
"rate_limited"
failure_reason: optional string

Human-readable failure description

output: optional array of GenerationOutput { type, url, layer }

Generated outputs (populated on completion)

type: string

Media type (e.g. image, video)

url: string

Presigned URL (1hr expiry)

formaturi
layer: optional object { alpha_hint, description, index, label }

Per-layer semantics for a type=layering output

alpha_hint: string

Edge treatment of the layer's transparency — soft (hair/fur/glass), hard (solid edges), or none (the opaque background)

description: string

Complete-element caption for the layer's content

index: number

Layer position, front-to-back; the last layer is the background

label: string

Short (1-2 word) layer name

Get a generation

curl https://agents.lumalabs.ai/v1/generations/$GENERATION_ID \
    -H "Authorization: Bearer $LUMA_AGENTS_API_KEY"
{
  "id": "182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e",
  "created_at": "created_at",
  "model": "uni-1",
  "state": "queued",
  "type": "image",
  "failure_code": "content_moderated",
  "failure_reason": "failure_reason",
  "output": [
    {
      "type": "type",
      "url": "https://example.com",
      "layer": {
        "alpha_hint": "alpha_hint",
        "description": "description",
        "index": 0,
        "label": "label"
      }
    }
  ]
}
Returns Examples
{
  "id": "182bd5e5-6e1a-4fe4-a799-aa6d9a6ab26e",
  "created_at": "created_at",
  "model": "uni-1",
  "state": "queued",
  "type": "image",
  "failure_code": "content_moderated",
  "failure_reason": "failure_reason",
  "output": [
    {
      "type": "type",
      "url": "https://example.com",
      "layer": {
        "alpha_hint": "alpha_hint",
        "description": "description",
        "index": 0,
        "label": "label"
      }
    }
  ]
}