Upscale and Enhance

Upscale or enhance an image based on the supplied parameters. Using a scale of 1 with enhance enabled will only run the enhancer. The image can be provided either as a multipart form-data file upload or as a base64-encoded string in a JSON request.

POST /image/upscale

/api/v1/image/upscale

cURL

curl --request POST \
  --url https://api.venice.ai/api/v1/image/upscale \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "enhance": true,
  "enhanceCreativity": 0.5,
  "enhancePrompt": "gold",
  "image": "iVBORw0KGgoAAAANSUhEUgAAAgAAAAIACAIAAAB7GkOtAAAAIGNIUk0A...",
  "scale": 2
}
'

200

"<string>"

Postman Collection

For additional examples, please see this Postman Collection.

---

Authorizations

Authorization · string · header · required

Bearer authentication header of the form Bearer <token>, where <token> is your auth token.

Body

application/jsonmultipart/form-data

Upscale or enhance an image based on the supplied parameters. Using a scale of 1 with enhance enabled will only run the enhancer.

image · any string · required

The image to upscale. Can be either a file upload or a base64-encoded string. Image dimensions must be at least 65536 pixels and final dimensions after scaling must not exceed 16777216 pixels. File size must be less than 25MB.

enhance · boolean enum<string> · default: false

Whether to enhance the image using Venice's image engine during upscaling. Must be true if scale is 1.

Example:

true

enhanceCreativity · number | null · default: 0.5

Higher values let the enhancement AI change the image more. Setting this to 1 effectively creates an entirely new image.

Required range: 0 <= x <= 1

Example:

0.5

enhancePrompt · string

The text to image style to apply during prompt enhancement. Does best with short descriptive prompts, like gold, marble or angry, menacing.

Maximum string length: 1500

Example:

"gold"

replication · number | null · default: 0.35

How strongly lines and noise in the base image are preserved. Higher values are noisier but less plastic/AI "generated"/hallucinated. Must be between 0 and 1.

Required range: 0 <= x <= 1

Example:

0.35

scale · number · default: 2

The scale factor for upscaling the image. Must be a number between 1 and 4. Scale of 1 requires enhance to be set true and will only run the enhancer. Scale must be > 1 if enhance is false. A scale of 4 with large images will result in the scale being dynamically set to ensure the final image stays within the maximum size limits.

Required range: 1 <= x <= 4

Example:

2

Response

200

image/png

OK

The response is of type file.