curl --location --request POST 'https://app-api.pixverse.ai/openapi/v2/video/extend/generate' \
--header 'Ai-Trace-Id: {{$string.uuid}}' \
--header 'API-KEY: your-api-key' \
--header 'Content-Type: application/json' \
--data-raw '{
"source_video_id": 0,
//"video_media_id":0, //'\''video_id'\'' returned from the generation API
"prompt": "across the universe",
"seed": 123123,
"quality": "540p",
"duration": 5,
"model": "v4.5",
"motion_mode": "normal",
//"style": "clay",
"water_mark": false
}'
{
"ErrCode": 0,
"ErrMsg": "Success",
"Resp": {
"video_id": 0
}