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POST
/
v3
/
async
/
image-upscaler
Image Upscaling
curl --request POST \
  --url https://api.novita.ai/v3/async/image-upscaler \
  --header 'Authorization: <authorization>' \
  --header 'Content-Type: <content-type>' \
  --data '
{
  "image": "<string>",
  "resolution": "<string>",
  "output_format": "<string>"
}
'
{
  "task_id": "<string>"
}
AI-powered image upscaling service that enhances low-resolution images to higher resolutions, providing high-quality image processing: out-of-the-box REST inference API, best performance, no cold start, and affordable pricing.
This is an asynchronous API; only the task_id will be returned. You should use the task_id to request the Task Result API to retrieve the video generation results.

​
Request Headers

​
Content-Type
string
required
Supports: application/json
​
Authorization
string
required
Bearer authentication format, for example: Bearer {{API Key}}.

​
Request Body

​
image
string
required
The URL of the original image to be upscaled.
​
resolution
string
default:"4k"
Target resolution after upscaling.Optional values: 2k, 4k, 8k
​
output_format
string
default:"jpeg"
The output image format.Optional values: jpeg, png, webp

​
Response

​
task_id
string
required
Use the task_id to request the Task Result API to retrieve the generated outputs.
Last modified on December 10, 2025