How to use dynamic categories in your eBay listing
To embed dynamic eBay store categories in your listing template, you can use the example code snippet below and tweak it according to your needs.
<div id="categories_wrapper">Categories</div> somewhere in your listing template, add the following snippet to the header.php or footer.php section and replace "www.example.com" with your domain:
This will first load jQuery from the Cloudflare CDN, then load your categories via AJAX from your site and add them as an unordered list (<ul><li>) to the wrapper <div> tag.
For more information on that subject see this post on lastdropofink.co.uk. The code above is partly based on their implementation.