Get a Category Subtree

This call retrieves the details of all nodes of the category tree hierarchy (the subtree) below a specified category of a category tree. You identify the tree using the category_tree_id parameter, which was returned by the getDefaultCategoryTreeId call in the categoryTreeId field. Note: This method can return a very large payload, so gzip compression is supported. To enable gzip compression, include the Accept-Encodin...