Copy the Universal JS code in the setup tab of the admin and paste it in your template where you want to add GraphComment discussion widget.
Activate the SSO with our PHP SDK (optional) Follow the instructions on this page and to use the PHP Wrapper you must create an account on Graphcomment.com and subscribe a paid plan. https://github.com/graphcomment/sdk-api-php
Check out docs and start developing! You can check out our lovely docs to begin working with your app.