+++
title = "Reference"
description = "API specifications, environment variables, and metrics"
weight = 500
+++

- **[Environment Variables](environment-variables/)** — Environment variables for each component.
- **[HTTPScaledObject](httpscaledobject/)** — HTTPScaledObject CRD API reference (v1alpha1, deprecated).
- **[InterceptorRoute](interceptorroute/)** — InterceptorRoute CRD API reference (v1beta1).
- **[Metrics](metrics/)** — Prometheus metrics exposed by the interceptor.