Requirements Run your site with public access (use ngrok or similar). Run your site with HTTPS. One account set up on https://test.badgr.com/ . Setup Login as admin. Go to "Site administration > Server > OAuth 2 services". Create a new "Open Badges" service with the following information: Name: "Badgr" Service base URL:  https://api.test.badgr.com/ Logo URL:  https://api.test.badgr.com/static/images/logo.png * There is an issue with the current Badgr manifest because the image URL is invalid. So, for now, it's better, as this is a development environment, we can avoid it using the previous "Logo URL" (instead of getting it from the manifest). Leave Client ID and Client secret empty. This service will be used: Internal services only In the Moodle site, go to "Site administration > Badges > Manage backpacks" Click the "Add a new backpack" with the following data:  Backpack API URL:  https://api.test.badgr.com/   Backpack URL:  https://test.badgr.com/   API version supported: Open Badges v2.1 OAuth2 services: Badgr Save changes. Testing scenario Go to the user "Preferences" page and then select "Backpack settings". Select "https://test.badgr.com/" as "Backpack provider". Click the button "Connect to backpack". You'll be redirected to the backpack site and the login form page will be displayed. Login using the test.badgr.com user account. Check  the screen requesting your permission is displayed with the following application access permissions: Know who you are on Badgr Add badges into a User's Backpack See who you are Click the button "Authorize". Check  you're redirected to the Moodle page and the following notification is displayed: "Backpack is connected".