--- title: "Overview" slug: "overview" updated: 2026-10-05T13:25:44Z published: 2026-10-05T13:25:44Z canonical: "resources.realtheory.io/overview" --- > ## Documentation Index > Fetch the complete documentation index at: https://resources.realtheory.io/llms.txt > Use this file to discover all available pages before exploring further. # Overview ## Developing With RealTheory ### Overview RealTheory offers an extensive API that allows seamless interaction with the RealTheory SaaS platform. Through this API, you can access information pertaining to the health, performance, cost, and governance of your managed Kubernetes clusters and applications. The RealTheory API is a RESTful API that is accessible via HTTPS. ### Prerequisites In order to access the RealTheory APIs, you will need: - An active [RealTheory](/v1/docs/creating-your-realtheory-account) account. - An [API key](/v1/docs/how-to-generate-realtheory-api-keys) associated with your RealTheory account. - The [API endpoint](/v1/docs/how-to-generate-realtheory-api-keys) associated with your RealTheory account. ### Authentication When interacting with RealTheory APIs, each call must be authenticated and authorized. You can view information on API authentication [here](/v1/docs/authentication). ### How To: Below are some common API examples: - [How To: List the Kubernetes Cluster Summaries](/v1/docs/how-to-list-the-managed-kubernetes-clusters) - [How to: List the Namespace Summaries for a Kubernetes Cluster](/v1/docs/how-to-list-the-namespaces-for-a-kubernetes-cluster) - [How to: List the Pod Summaries for a Kubernetes Cluster and Namespace](/v1/docs/how-to-list-the-pod-summaries-for-a-kubernetes-cluster-and-namespace) - [How To: List the System Alerts for a Clusters](/v1/docs/how-to-list-the-system-alerts-for-a-kubernetes-cluster) - [How To: List the Recommendations for a Cluster](/v1/docs/how-to-list-the-recommendations-for-a-kubernetes-cluster) - [How To: Get the Total Cost Report for Clusters](/v1/docs/how-to-get-the-total-cost-report-for-clusters) - [How To: Get the Lost Dollars Report for Namespaces](/v1/docs/how-to-get-the-lost-dollars-report-for-namespaces) - [How To: Get the Daily Cost Report for Deployments](/v1/docs/how-to-get-the-daily-cost-report-for-deployments) - [How To: Get the Daily Cost Report for StatefulSets](/v1/docs/how-to-get-the-daily-cost-report-for-statefulsets) - [How To: Generate a Collector Deployment Manifest](/v1/docs/how-to-generate-the-collector-deployment-manifest) - [How To: Estimate the Cost of a Kubernetes Cluster Before Provisioning](/v1/docs/how-to-estimate-the-cost-of-a-kubernetes-cluster-before-provisioning) - [How to: Process a System Alert WebHook](/v1/docs/how-to-process-a-system-alert-webhook) - [How to: Use Right-Size Recommendations with a CI-CD pipeline](/v1/docs/how-to-use-right-size-recommendations-within-ci-cd-pipeline) ### View the API Reference You can view the API reference [here](/v1/docs/api-reference).