get https://surveys-api.zencity.io/api/v2/answers_leading_sub_topics/
Description
This endpoint returns all topics and sub-topics (if available) for open-ended questions that are categorized by topics. Through the "Get Topics" request, the user receives the list of topics and sub-topics for a specific open-ended question. This allows users to map out what categorization topics are applied to their open-ended questions.