External function core_course_get_contents does not return front page course contents

In your Moodle front page create a couple of activities (forum) and resources Enable "Mobile services": Plugins ► Web Services ► External services Create a Token for the user your are going to test with: Click on Site administration ► Plugins ► Web services ► Manage tokens Click add, select user and service (Mobile Service) Next, you can do a CURL REST call simulating a WS client: You need to replace the wstoken and the URL of your moodle instance curl 'http://localhost/m/stable_24/webservice/rest/server.php?moodlewsrestformat=json' -H 'Pragma: no-cache' -H 'Origin: file://' -H 'Accept-Encoding: gzip,deflate,sdch' -H 'Accept-Language: es,en;q=0.8,de-DE;q=0.6,de;q=0.4,nb;q=0.2' -H 'User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/34.0.1798.0 Safari/537.36' -H 'Content-Type: application/x-www-form-urlencoded; charset=UTF-8' -H 'Accept: application/json, text/javascript, */*; q=0.01' -H 'Cache-Control: no-cache' -H 'Connection: keep-alive' --data 'options%5B0%5D%5Bname%5D=&options%5B0%5D%5Bvalue%5D=&courseid=1&wsfunction=core_course_get_contents&wstoken=6137368848c2710566a04917efd5d74d' --compressed Confirm that: You receive a list of course modules including all the activities you created. You may use www.jsonlint.com for validate and view the json returned.