# HTTP APIs

> REST API reference for all Kubernetes-style resources served by the per-project apiserver.

## Core API

- [Tunnel Nodes](/docs/reference/core/tunnelnodes.md)
- [Backends](/docs/reference/core/backends.md)
- [Cloud Monitoring Integrations](/docs/reference/core/cloudmonitoringintegrations.md)
- [Proxies](/docs/reference/core/proxies.md)
- [Domain Records](/docs/reference/core/domainrecords.md)
- [Domains](/docs/reference/core/domains.md)
- [Domain Zones](/docs/reference/core/domainzones.md)

## Extensions API

- [Direct Responses](/docs/reference/extensions/directresponses.md)
- [Edge Function Revisions](/docs/reference/extensions/edgefunctionrevisions.md)
- [Edge Functions](/docs/reference/extensions/edgefunctions.md)

## Gateway API

- [Gateway Classes](/docs/reference/gateway/gatewayclasses.md)
- [Gateways](/docs/reference/gateway/gateways.md)
- [gRPC Routes](/docs/reference/gateway/grpcroutes.md)
- [HTTP Routes](/docs/reference/gateway/httproutes.md)
- [TCP Routes](/docs/reference/gateway/tcproutes.md)
- [TLS Routes](/docs/reference/gateway/tlsroutes.md)
- [UDP Routes](/docs/reference/gateway/udproutes.md)