# Linkerd Proxy Control Plane API

**Canonical:** https://apis.io/apis/linkerd/proxy-control-plane-api/  
**Provider:** Linkerd — https://apis.io/providers/linkerd/  
**Documentation:** https://github.com/linkerd/linkerd2-proxy-api

Linkerd Proxy Control Plane API is one of 11 APIs that [Linkerd](https://apis.io/providers/linkerd/) publishes on the [APIs.io](https://apis.io/) network. This API exposes 1 JSON Schema definition. Tagged areas include Control Plane, gRPC, mTLS, and Policy. The published artifact set on APIs.io includes API documentation, an API reference, a GitHub repository, and 1 JSON Schema.

The Linkerd Proxy Control Plane gRPC API defines the protobuf service contracts used by the data-plane proxy to communicate with the control plane. It includes the Destination API for service discovery and traffic policy, the Identity API for issuing mTLS certificates, and the Inbound API for per-port authorization and rate-limiting policies.

## Machine-readable artifacts (5)

- **Documentation** — https://github.com/linkerd/linkerd2-proxy-api
- **Reference** — https://linkerd.io/2-edge/reference/authorization-policy/
- **GitHubRepository** — https://github.com/linkerd/linkerd2-proxy-api
- **JSONSchema** — https://raw.githubusercontent.com/api-evangelist/linkerd/refs/heads/main/json-schema/service-profile.json
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/linkerd/refs/heads/main/apis.yml

## Other Linkerd APIs (10)

- [Linkerd Multicluster API](https://apis.io/apis/linkerd/multicluster-api/)
- [Linkerd Discovery API](https://apis.io/apis/linkerd/linkerd-discovery-api/)
- [Linkerd Edges API](https://apis.io/apis/linkerd/linkerd-edges-api/)
- [Linkerd Gateways API](https://apis.io/apis/linkerd/linkerd-gateways-api/)
- [Linkerd Health API](https://apis.io/apis/linkerd/linkerd-health-api/)
- [Linkerd Lifecycle API](https://apis.io/apis/linkerd/linkerd-lifecycle-api/)
- [Linkerd Metrics API](https://apis.io/apis/linkerd/linkerd-metrics-api/)
- [Linkerd Routes API](https://apis.io/apis/linkerd/linkerd-routes-api/)
- [Linkerd Statistics API](https://apis.io/apis/linkerd/linkerd-statistics-api/)
- [Linkerd Tap API](https://apis.io/apis/linkerd/linkerd-tap-api/)

## Tags

Control Plane, gRPC, mTLS, Policy

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/linkerd/proxy-control-plane-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/linkerd/.