Hi, you can use the picture link (eg. https://g-search3.alicdn.com/img/bao/uploaded/i4/i3/2575956766/O1CN01biNUng1zqsNBkbTW2_!!0-item_pic.jpg) or picture file name (eg. O1CN01biNUng1zqsNBkbTW2_!!0-item_pic.jpg) as input parameter.

But, the picture must be uploaded to taobao or alibaba first, the api will not works with other host picture link.
we alse provide a api to upload picture to taobao , plz visit the page https://rapidapi.com/ShowApi/api/taobao-tmall-data-service

Thanks, any question let me known.