curl --location 'https://app-api.pixverse.ai/openapi/v2/video/extend/generate' \
--header 'API-KEY: your-api-key' \
--header 'Ai-trace-id: 550e8400-e29b-41d4-a716-446655440000' \
--header 'Content-Type: application/json' \
--data '{
"source_video_id": 123456794,
"prompt": "The camera continues moving forward into the city",
"model": "v6",
"duration": 5,
"quality": "720p"
}'{
"ErrCode": 0,
"ErrMsg": "Success",
"Resp": {
"video_id": 123456789,
"credits": 10
}
}