If you are using a released version of Kubernetes, you should refer to the docs that go with that version.
The latest release of this document can be found [here](http://releases.k8s.io/release-1.3/docs/api-reference/README.md).Documentation for other releases can be found at releases.k8s.io.
Use the following reference docs to understand the kubernetes REST API for various API group versions:
- v1: operations, model definitions
- extensions/v1beta1: operations, model definitions
- batch/v1: operations, model definitions
- autoscaling/v1: operations, model definitions