There is no option to automatically update all your listings if you do not use different software which is to create eBay listings automatically (outside eBay).
But, our system is very fast to create new listings because you can save drafts, to create a new listing you only copy to our software your actual description, add photos and add the title of the product.
Generate the code and edit you’re actually listing on eBay adding our template code.
For more info on how to create templates watch our main tutorial on the homepage or there on FAQ page.
If you want to know how to adapt our templates for your software please read this.