Kie Veo3 icon

Kie Veo3

Generate, extend, and enhance videos using Google Veo 3.1

Actions4

Get 4K

AI-generated

Summary

Upgrade a Veo video to 4K resolution via POST /api/v1/veo/get-4k-video

Inputs

  • taskId4k (required) — Task ID from video generation (16:9 or 9:16 aspect ratio)
  • index4k — Video index to upgrade (default: 0)
  • callBackUrl — Optional webhook URL to receive completion notification

Output shape

main

Returns the Kie API response from the 4K upgrade endpoint

Examples

Example 1: Upgrade a previously generated video to 4K

Set taskId4k to the task ID from the original 1080P generation, optionally specify index4k (default 0), and provide callBackUrl if webhook notification is desired. Note that 4K processing requires 16:9 or 9:16 aspect ratio and takes 5–10 minutes at 2× Fast mode credits.

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