callBackUrl to receive automatic notifications when 4K generation completes, rather than polling frequently.422 status code with specific error details:{
"code": 422,
"msg": "4k is processing. It should be ready in 5-10 minutes. Please check back shortly.",
"data": {
"taskId": "veo_task_example123",
"resultUrls": null,
"imageUrls": null
}
}curl --location 'https://api.kie.ai/api/v1/jobs/createTask' \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '{
"model": "veo/get-4k-video",
"callBackUrl": "http://your-callback-url.com/4k-callback",
"input": {
"task_id": "veo_task_abcdef123456",
"index": 0
}
}'{
"code": 200,
"msg": "success",
"data": {
"taskId": "veo_task_abcdef123456",
"resultUrls": null,
"imageUrls": null
}
}