As admin, enable "Mobile services": Site administration ► Mobile app ► Mobile settings Create a new course and enrol a user (u1) as student Create a new quiz in the course using the default configuration except: Layout -> New page -> Every two questions Add two questions to the quiz: 1: Essay configured to use "HTML Editor" as response format, "Allow attachments" set to NO 2: Essay configured to use "HTML Editor" as response format, "Allow attachments" set to YES and "Minimum word limit" set to 32 and "Maximum word limit" set to 128 Access with the student user u1 to the site, go to the course and open the quiz starting an attempt In the browser URL you will see an URL like this: mod/quiz/attempt.php?attempt=X&cmid=Y. You have to copy the X value somewhere because you will use it later Create a Token in the mobile app service for the user1 in the site (not an admin account) Click on Site administration ► Plugins ► Web services ► Manage tokens Open the console an execute this new curl request, replacing wstoken with the token you just created and the site url with yours. the ATTEMPT_ID value has to be replaced with the attempt value (the X value) you annotated before curl 'http://SITE_URL/webservice/rest/server.php?moodlewsrestformat=json&wsfunction=mod_quiz_get_attempt_data' --data 'attemptid=ATTEMPT_ID&page=0&moodlewssettingfilter=true&moodlewssettingfileurl=true&wsfunction=mod_quiz_get_attempt_data&wstoken=WSTOKEN' --compressed Confirm that: In the curl request response (that is huge) you will see that TWO questions are returned In the first question, the settings->minwordlimit and maxwordlimit are empty/null In the second question, the settings->minwordlimit and maxwordlimit are set to 32 and 128