--- title: Reference approvers: - chenopis linkTitle: "Reference" main_menu: true weight: 70 content_template: templates/concept --- {{% capture overview %}} This section of the Kubernetes documentation contains references. {{% /capture %}} {{% capture body %}} ## API Reference * [Kubernetes API Overview](/docs/reference/using-api/api-overview/) - Overview of the API for Kubernetes. * [Kubernetes API Reference {{< latest-version >}}](/docs/reference/generated/kubernetes-api/{{< latest-version >}}/) ## API Client Libraries To call the Kubernetes API from a programming language, you can use [client libraries](/docs/reference/using-api/client-libraries/). Officially supported client libraries: - [Kubernetes Go client library](https://github.com/kubernetes/client-go/) - [Kubernetes Python client library](https://github.com/kubernetes-client/python) - [Kubernetes Java client library](https://github.com/kubernetes-client/java) - [Kubernetes JavaScript client library](https://github.com/kubernetes-client/javascript) ## CLI Reference * [kubectl](/docs/reference/kubectl/overview/) - Main CLI tool for running commands and managing Kubernetes clusters. * [JSONPath](/docs/reference/kubectl/jsonpath/) - Syntax guide for using [JSONPath expressions](http://goessner.net/articles/JsonPath/) with kubectl. * [kubeadm](/docs/reference/setup-tools/kubeadm/kubeadm/) - CLI tool to easily provision a secure Kubernetes cluster. ## Components Reference * [kubelet](/docs/reference/command-line-tools-reference/kubelet/) - The primary *node agent* that runs on each node. The kubelet takes a set of PodSpecs and ensures that the described containers are running and healthy. * [kube-apiserver](/docs/reference/command-line-tools-reference/kube-apiserver/) - REST API that validates and configures data for API objects such as pods, services, replication controllers. * [kube-controller-manager](/docs/reference/command-line-tools-reference/kube-controller-manager/) - Daemon that embeds the core control loops shipped with Kubernetes. * [kube-proxy](/docs/reference/command-line-tools-reference/kube-proxy/) - Can do simple TCP/UDP stream forwarding or round-robin TCP/UDP forwarding across a set of back-ends. * [kube-scheduler](/docs/reference/command-line-tools-reference/kube-scheduler/) - Scheduler that manages availability, performance, and capacity. * [kube-scheduler Policies](/docs/reference/scheduling/policies) * [kube-scheduler Profiles](/docs/reference/scheduling/profiles) ## Design Docs An archive of the design docs for Kubernetes functionality. Good starting points are [Kubernetes Architecture](https://git.k8s.io/community/contributors/design-proposals/architecture/architecture.md) and [Kubernetes Design Overview](https://git.k8s.io/community/contributors/design-proposals). {{% /capture %}}