I am a starter in Developer portal so please bare with me if any silly questions....
Coming to the point, Can I create webservices along with validations in Portal?
If yes, Will those created automatically in Policy manager?
Why because I need to get every thing tracked and see in single area.
Good afternoon. The API Portal when integrated with a gateway which is the standard setup then it will push the APIs being published in the Portal through to the Gateway. Please note that the Policy Manager is simply another conduit to the Gateway to create, modify, etc entities along with the RESTMAN service and others. This link will outline the various options to publish API through the Portal. Publish APIs - CA API Developer Portal - 3.5 - CA Technologies Documentation
Director, CA Support