---
title: "Topaz Starlight Fast 3"
method: POST
path: "/generate/enhance/topaz/starlight-fast-3"
tags: ["Video Enhance"]
---

# Topaz Starlight Fast 3

`POST /generate/enhance/topaz/starlight-fast-3`

## Request

- Base URL: `https://api.krea.ai`
- URL: `https://api.krea.ai/generate/enhance/topaz/starlight-fast-3`
- Auth: HTTP bearer

Fast diffusion-based AI upscaler from Topaz that restores low-resolution and degraded video. Max 4K.

## Headers

- `X-Webhook-URL` string, uri

## Request body

- object
  - `target_width` number: Output width in pixels. Defaults to the source width; output is scaled proportionally to at least 1920x1080 pixels in area.
  - `target_height` number: Output height in pixels. Defaults to the source height; output is scaled proportionally to at least 1920x1080 pixels in area.
  - `crop_to_fit` boolean: Crop the video to fill the target dimensions instead of preserving the source aspect ratio.
  - `video_url` string, uri, required: Can be an external URL, base64 data URI, or uploaded asset URL.
  - `frame_interpolation` boolean: Interpolate extra frames to raise the output frame rate.
  - `frame_interpolation_fps` integer: Target output frame rate (frame interpolation only).
  - `frame_interpolation_model` 'apo-8' | 'apf-2' | 'chr-2' | 'chf-3': Frame interpolation model.
  - `frame_interpolation_slowmo` integer: Slow-motion factor, 1 keeps the original speed (frame interpolation only).
  - `frame_interpolation_fix_duplicate_frames` boolean: Detect and drop duplicate frames before interpolating.
  - `frame_interpolation_duplicate_sensitivity` number: Sensitivity of duplicate-frame detection (only when fix duplicate frames is on).
  - `video_output_preset` 'h264-high' | 'h265-main' | 'h265-main10' | 'prores-422-proxy' | 'prores-422-lt' | 'prores-422-std' | 'prores-422-hq' | 'av1-8-bit' | 'av1-10-bit' | 'vp9-good' | 'vp9-best': Output encoder profile: codec, container, and bit depth.

## Response `200`

The resulting job data. This will be returned in a pending state until the job is completed. See [`/jobs/{id}`](#tag/default/get/jobs/{id}) for retrieving the results.

- object
  - `job_id` string, uuid, required
  - `status` 'backlogged' | 'queued' | 'scheduled' | 'processing' | 'sampling' | 'intermediate-complete' | 'completed' | 'failed' | 'cancelled', required
  - `created_at` string, date-time, required
  - `completed_at` unknown, required
  - `result` unknown, required
  - `error` object
    - `code` string, required
    - `message` string
  - `progress` number, nullable

## Other responses

- `400`: The request body is invalid.
- `401`: You are not authenticated.
- `402`: You have run out of credits.
- `429`: You have reached the maximum number of concurrent jobs.

## Changes

- **2026-10-15** `4046979fb758`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/krea/apis/krea-api/changes/generate/enhance/topaz/starlight-fast-3/post.md)

---

[API](https://skmtc.dev/krea/apis/krea-api.md) · [All operations](https://skmtc.dev/krea/apis/krea-api/llms.txt) · [OpenAPI document](https://skmtc.dev/krea/apis/krea-api/revisions/f503def6ccba?raw)