Credential Management API Sample Try a live demo. Learn how Credential Management API works. Learn how to implement. Learn what's updated in Chrome 60. Try codelab. Installation Prerequisites Google App Engine Python 2.7 pip Node.js NPM Bower Step 1. Configure Google Sign-In Set up a new project at Google Developers Console Create credentials Download client_secret_****.json, rename it to client_secrets.json Place client_secrets.json at root of this project Step 2. Configure Facebook Login Set up a new project at Facebook Developers Set "Site URL" http://localhost:8080 Copy and paste the App ID in app.yaml. Step 3. Install dependencies # Create virtual env $ virtualenv env $ source env/bin/activate # Clone submodules $ git submodule init $ git submodule update # This command will install dependencies $ npm install $ npm run build Step 4. Run the app # Launch App Engine at root dir of this project with following command $ npm start