curl --location 'https://dashscope.aliyuncs.com/api/v1/services/aigc/image2video/video-synthesis/' \
--header 'X-DashScope-Async: enable' \
--header "Authorization: Bearer $DASHSCOPE_API_KEY" \
--header 'Content-Type: application/json' \
--data '{
"model": "videoretalk",
"input": {
"video_url": "https://help-static-aliyun-doc.aliyuncs.com/file-manage-files/zh-CN/20250717/pvegot/input_video_01.mp4",
"audio_url": "https://help-static-aliyun-doc.aliyuncs.com/file-manage-files/zh-CN/20250717/aumwir/stella2-%E6%9C%89%E5%A3%B0%E4%B9%A67.wav",
"ref_image_url": ""
},
"parameters": {
"video_extension": false
}
}'