Get a Category Tree

This method retrieves the complete category tree that is identified by the category_tree_id parameter. The value of category_tree_id was returned by the getDefaultCategoryTreeId method in the categoryTreeId field. The response contains details of all nodes of the specified eBay category tree, as well as the eBay marketplaces that use this category tree. Note: This method can return a very large payload, so gzip compr...