As admin, enable "Mobile services": Site administration ► Mobile app ► Mobile settings Create a Token in the mobile app service for any user 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. curl 'http://localhost/m/stable_master/webservice/rest/server.php?moodlewsrestformat=json' --data 'wsfunction=core_calendar_get_allowed_event_types&wstoken=3af67232a7596ceb658df4db329e5ad6' | python -m "json.tool" Check that: allowedeventtypes field returns only one value "user" - Because you are allowed to create only user calendar events Now replace the wsfunction value with: core_calendar_get_calendar_access_information and execute the curl request checking that: All the returned fields "canxxx" must be set to false except "canmanageownentries" that is set to true Now, as admin, create a new course, enrol one user in it as editing teacher and generate a wstoken for the teacher you just enrolled in the new course. Execute the following CURL requestusing the wstoken for the teacher and the course id with the course you just created. curl 'http://localhost/m/stable_master/webservice/rest/server.php?moodlewsrestformat=json' --data 'wsfunction=core_calendar_get_allowed_event_types&wstoken=3af67232a7596ceb658df4db329e5ad6&courseid=COURSE' | python -m "json.tool" Check that allowedeventtypes field now returns user and course (and, if the course is configured to use groups and at least one group is created it will return also "group") Now replace the wsfunction value with: core_calendar_get_calendar_access_information and execute the curl request checking that: All the returned fields "canxxx" must be set to true Finally, execute the following curl request using the teacher or student token: curl 'http://localhost/m/stable_master/webservice/rest/server.php?moodlewsrestformat=json' --data 'wsfunction=tool_mobile_get_config&wstoken=3af67232a7596ceb658df4db329e5ad6&section=calendar' | python -m "json.tool" Check that you see several fields starting by "calendar" that maches the configuration values in the Moodle site (as admin, you can go to the calendar settings section in the site administration and match the values, please ommit to check the calendar_startwday value because itmay be confussing)