This blog is for the developers who is having a requirement to use WSO2IS as an authorization server. For an example, I'm going to use WSO2 Identity Server to demonstrate this use case. Step 1 :- Checkout a sample application from this[1] git location and build it. Take the .war file which is created inside the <SAMPLE_HOME>/oauth2/playground2/target directory and deploy it in tomcat server(Its required to be deployed on tomcat 7.x version). Build and deployment details are available in this document[2]. Step 2 :- Download WSO2 identity server from this link[1] and create a service provider for sample application. When you create a service provider, you need to add service provider name first and click Register button. Once you create a service provider, you need to configure call back url for particular application. Please click on Configure link which is defined under OAuth/OpenID Connect Configuration...