API reference · Topaz Labs

topaz/upscale/image/creative

Integrate this model through SandBase's unified API, with production-ready schemas and examples.

IMAGEAsyncOpen model

Production endpoint

Send your first request

OpenAI-compatible endpoint with unified authentication and usage tracking.

POSThttps://api.sandbase.ai/v1/run

Model IDtopaz/upscale/image/creative

Input Schema

8 parameters · 1 required · 7 optional

Parameter	Type	Required	Description
`image`	string	Required	Url of the image to be upscaled · Min length: 1
`model`	string	Optional	Creative (Bloom) upscaling model. Bloom 2 is the latest and most capable; Bloom creatively upscales and transforms AI-generated images; Bloom Realism biases the added detail toward photorealism. · Options: Bloom 2, Bloom, Bloom Realism · Default: "Bloom 2" Bloom 2BloomBloom Realism
`autoprompt`	boolean	Optional	Enable automatic prompt generation. Applies to Bloom 2 only; Topaz defaults it to true when omitted.
`creativity`	integer	Optional	Creativity level (1-9). Higher values produce more creative/hallucinated details. Applies to Bloom 2 only. · Min: 1 · Max: 9
`crop_to_fill`	boolean	Optional	Default: false
`output_format`	string	Optional	Output format of the upscaled image. · Options: jpeg, png · Default: "jpeg" jpegpng
`upscale_factor`	number	Optional	Factor to upscale the image by (e.g. 2.0 doubles width and height) · Min: 1 · Max: 4 · Default: 2
`color_preservation`	boolean	Optional	Preserve the source image's colors in the output. Applies to Bloom 2 only.

Output Schema

Field	Type	Description
`id`	string	Unique identifier for the generation task
`status`	string	Task status: pending, running, completed, failed, timeout
`model`	string	Model used for the generation
`outputs`	array	Array of output items
`outputs[].url`	string	URL of the generated artifact
`outputs[].content_type`	string	MIME type (e.g. image/png, video/mp4)
`error`	object \| null	Error details if failed, null on success
`error.type`	string	Machine-readable error type code
`error.message`	string	Human-readable error description

Async Workflow

This model uses asynchronous execution. Submit a request and poll for the result.

Submit — POST to /v1/run, receive an id
Poll — GET /v1/run/{id} until status is completed, failed, or timeout
Retrieve — Read outputs from the completed response

Code Examples

Ready-to-run snippets

# Step 1: Submit
curl -X POST https://api.sandbase.ai/v1/run \
  -H "Content-Type: application/json" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -d '{
  "model": "Bloom 2",
  "image": "https://static.sandbase.ai/examples/topaz/upscale/image/creative/input_image_0.jpeg",
  "crop_to_fill": false,
  "output_format": "jpeg",
  "upscale_factor": 2,
  "prompt": "a beautiful sunset over mountains"
}'

# Step 2: Poll result (replace <id>)
curl https://api.sandbase.ai/v1/run/<id> \
  -H "Authorization: Bearer YOUR_API_KEY"

← Back to Topaz Upscale Image Creative