When making an API call to get a list of all categories, sub-categories, etc and articles within a given project, we are requesting that you please add the date the article was last updated to the meta-data for the article lists in a given category. Current article list structure in the list of categories and articles in a project: … "articles": [ { "id": "<GUID HERE>", "title": "<Article Title>", "public_version": N, "latest_version": N, "language_code": "<language>, "hidden": T/F, "status": N, "order": N, "slug": "<data>", "content_type": N, "translation_option": N }, ... Proposed article structure in the list of categories and articles in a project: … "articles": [ { "id": "<GUID HERE>", "title": "<Article Title>", "public_version": N, "latest_version": N, "language_code": "<language>, "hidden": T/F, "status": N, "order": N, "slug": "<data>", "content_type": N, "translation_option": N, "updated": YYYY-MM-DD HH:MM:SS.MMM }, ...