As admin, enable "Mobile services": Site administration ► Mobile app ► Mobile settings Create a Token in the mobile app service for one user: Click on Site administration ► Plugins ► Web services ► Manage tokens Unzip the attached zip file Edit the unzipped js/script.js file, look for the line starting by oXHR.open('POST', and change the Moodle URL with your one, replace the token with the token generated in step 2 Open the unzipped index.html in a browser Upload a file via the index.html form and check that you receive a response similar to the attached expected-response.png (it may change some values like the itemid, filename, contextid, userid)