As admin, enable "Mobile services": Site administration ► Mobile app ► Mobile settings Create a course in the site, enrolling one user as student Inside the course create an URL resource (link) pointing to https://www.google.com Create a Token in the mobile app service for the student you used in step 2 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. Replace the courseid with the course you created in step 2 (in bold and underlined). curl 'http://localhost/m/stable_master/webservice/rest/server.php?moodlewsrestformat=json' --data 'courseid= 3 &wsfunction=core_course_get_contents&wstoken= 3af67232a7596ceb658df4db329e5ad6 &options [0] [name] =excludecontents&options [0] [value] =true' --compressed | python -m "json.tool" Check that you receive the URL resource information and that in the "customdata" field you see the link to google.com (note that the link may be escaped like http:\\/ /www.google.com