Kgateway

kgateway is the most widely deployed gateway in Kubernetes for microservices and AI agents. It is a feature-rich, fast, and flexible Kubernetes-native ingress controller and next-generation API gateway built on top of Envoy proxy and the Kubernetes Gateway API.

Kgateway publishes 7 APIs on the APIs.io network, including AIBackend API, Backend API, DirectResponse API, and 4 more. Tagged areas include Gateways.

The Kgateway catalog on APIs.io includes 1 JSON-LD context and 1 Spectral governance ruleset.

Kgateway’s developer surface includes authentication, engineering blog, documentation, GitHub presence, and 5 more developer resources.

🌐 Visit website 📡 Source on GitHub

48.1/100 developing ▬ flat Agent 31/100 agent aware Full breakdown ↓
scored 2026-07-28 · rubric v0.6

AccessFreemiumSelf serve⚡ Free to try

7 APIs

Gateways

Kin Score

Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6

Composite quality — 48.1/100 · developing

Contract Quality 17.6 / 25

Developer Ergonomics 4.3 / 20

Commercial Clarity 7.9 / 20

Operational Transparency 4.8 / 13

Governance 7.0 / 12

Discoverability 6.5 / 10

Agent readiness — 31/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

MCP Server 0 / 12

Machine-Readable Auth 10 / 10

Idempotency 0 / 9

Stable Error Semantics 0 / 8

Request/Response Examples 0 / 7

Rate-Limit Signaling 7 / 7

Typed Event Surface 0 / 6

Agent Skills 0 / 5

Well-Known Catalog 0 / 4

Consent & Bot Identity 0 / 3

A2A Agent Card 0 / 8

Dry-Run / Simulate Mode 0 / 4

Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/kgateway: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 7

Individual APIs this provider publishes, each with its own machine-readable definition.

Rate Limits 1

Documented rate limits and quota policies.

Kgateway Rate Limits

5 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

JSON Schema 7

Standalone JSON Schema definitions for this provider's data models.

Scroll for all 7

Documentation 1

Reference material describing how the API behaves

Documentation

Documentation

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

AgenticAccess

AgenticAccess

Build 1

SDKs, sample code, and the tooling you integrate with

GitHub

GitHub

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity

DomainSecurity

Authentication

Authentication

Learn 1

Tutorials, courses, talks, and written guidance

Videos

Videos

Company 3

The organization behind the API

LinkedIn

Website

Website

Blog

Blog

Source (apis.yml)

aid: kgateway
url: https://raw.githubusercontent.com/api-evangelist/kgateway/refs/heads/main/apis.yml
apis:
- aid: kgateway:kgateway-aibackend-api
  name: Kgateway AIBackend API
  description: Configure AI backend providers with support for LLM providers such as OpenAI, Azure OpenAI, and Gemini. Specify
    provider configuration and priority groups for AI routing.
  humanURL: https://kgateway.dev/docs/envoy/latest/reference/api/
  baseURL: https://kubernetes.default.svc/apis/gateway.kgateway.dev/v1alpha1
  tags:
  - AIBackend
  properties:
  - type: OpenAPI
    url: openapi/kgateway-aibackend-api-openapi.yml
  - type: Documentation
    url: https://kgateway.dev/docs/envoy/latest/reference/api/
  - type: JSONSchema
    url: json-schema/traffic-policy.json
  - type: JSONSchema
    url: json-schema/backend.json
  - type: JSONSchema
    url: json-schema/direct-response.json
  - type: JSONSchema
    url: json-schema/gateway-extension.json
  - type: JSONSchema
    url: json-schema/gateway-parameters.json
  - type: JSONSchema
    url: json-schema/http-listener-policy.json
  - type: JSONSchema
    url: json-schema/ai-backend.json
  - type: JSONLD
    url: json-ld/kgateway-context.jsonld
- aid: kgateway:kgateway-backend-api
  name: Kgateway Backend API
  description: Define routable backends such as AI providers (OpenAI, Azure, Gemini), AWS Lambda functions, or static servers
    for use by Gateways. Reference Backend resources in HTTPRoute to route traffic to external services.
  humanURL: https://kgateway.dev/docs/envoy/latest/reference/api/
  baseURL: https://kubernetes.default.svc/apis/gateway.kgateway.dev/v1alpha1
  tags:
  - Backend
  properties:
  - type: OpenAPI
    url: openapi/kgateway-backend-api-openapi.yml
  - type: Documentation
    url: https://kgateway.dev/docs/envoy/latest/reference/api/
  - type: JSONSchema
    url: json-schema/traffic-policy.json
  - type: JSONSchema
    url: json-schema/backend.json
  - type: JSONSchema
    url: json-schema/direct-response.json
  - type: JSONSchema
    url: json-schema/gateway-extension.json
  - type: JSONSchema
    url: json-schema/gateway-parameters.json
  - type: JSONSchema
    url: json-schema/http-listener-policy.json
  - type: JSONSchema
    url: json-schema/ai-backend.json
  - type: JSONLD
    url: json-ld/kgateway-context.jsonld
- aid: kgateway:kgateway-directresponse-api
  name: Kgateway DirectResponse API
  description: Configure Gateways to directly respond to incoming requests with a custom HTTP response code and body without
    forwarding to a backend service.
  humanURL: https://kgateway.dev/docs/envoy/latest/reference/api/
  baseURL: https://kubernetes.default.svc/apis/gateway.kgateway.dev/v1alpha1
  tags:
  - DirectResponse
  properties:
  - type: OpenAPI
    url: openapi/kgateway-directresponse-api-openapi.yml
  - type: Documentation
    url: https://kgateway.dev/docs/envoy/latest/reference/api/
  - type: JSONSchema
    url: json-schema/traffic-policy.json
  - type: JSONSchema
    url: json-schema/backend.json
  - type: JSONSchema
    url: json-schema/direct-response.json
  - type: JSONSchema
    url: json-schema/gateway-extension.json
  - type: JSONSchema
    url: json-schema/gateway-parameters.json
  - type: JSONSchema
    url: json-schema/http-listener-policy.json
  - type: JSONSchema
    url: json-schema/ai-backend.json
  - type: JSONLD
    url: json-ld/kgateway-context.jsonld
- aid: kgateway:kgateway-gatewayextension-api
  name: Kgateway GatewayExtension API
  description: Integrate external services with a Gateway such as external auth, rate limiting, and external processing. Serves
    as a configuration bridge between kgateway and external services that extend Gateway functionality.
  humanURL: https://kgateway.dev/docs/envoy/latest/reference/api/
  baseURL: https://kubernetes.default.svc/apis/gateway.kgateway.dev/v1alpha1
  tags:
  - GatewayExtension
  properties:
  - type: OpenAPI
    url: openapi/kgateway-gatewayextension-api-openapi.yml
  - type: Documentation
    url: https://kgateway.dev/docs/envoy/latest/reference/api/
  - type: JSONSchema
    url: json-schema/traffic-policy.json
  - type: JSONSchema
    url: json-schema/backend.json
  - type: JSONSchema
    url: json-schema/direct-response.json
  - type: JSONSchema
    url: json-schema/gateway-extension.json
  - type: JSONSchema
    url: json-schema/gateway-parameters.json
  - type: JSONSchema
    url: json-schema/http-listener-policy.json
  - type: JSONSchema
    url: json-schema/ai-backend.json
  - type: JSONLD
    url: json-ld/kgateway-context.jsonld
- aid: kgateway:kgateway-gatewayparameters-api
  name: Kgateway GatewayParameters API
  description: Customize gateway infrastructure deployment settings including replicas, container configuration, pod templates,
    and proxy provisioning parameters.
  humanURL: https://kgateway.dev/docs/envoy/latest/reference/api/
  baseURL: https://kubernetes.default.svc/apis/gateway.kgateway.dev/v1alpha1
  tags:
  - GatewayParameters
  properties:
  - type: OpenAPI
    url: openapi/kgateway-gatewayparameters-api-openapi.yml
  - type: Documentation
    url: https://kgateway.dev/docs/envoy/latest/reference/api/
  - type: JSONSchema
    url: json-schema/traffic-policy.json
  - type: JSONSchema
    url: json-schema/backend.json
  - type: JSONSchema
    url: json-schema/direct-response.json
  - type: JSONSchema
    url: json-schema/gateway-extension.json
  - type: JSONSchema
    url: json-schema/gateway-parameters.json
  - type: JSONSchema
    url: json-schema/http-listener-policy.json
  - type: JSONSchema
    url: json-schema/ai-backend.json
  - type: JSONLD
    url: json-ld/kgateway-context.jsonld
- aid: kgateway:kgateway-httplistenerpolicy-api
  name: Kgateway HTTPListenerPolicy API
  description: Apply policies to all HTTP and HTTPS listeners defined on a Gateway. Configure listener-level settings that
    affect all traffic passing through the specified listeners.
  humanURL: https://kgateway.dev/docs/envoy/latest/reference/api/
  baseURL: https://kubernetes.default.svc/apis/gateway.kgateway.dev/v1alpha1
  tags:
  - HTTPListenerPolicy
  properties:
  - type: OpenAPI
    url: openapi/kgateway-httplistenerpolicy-api-openapi.yml
  - type: Documentation
    url: https://kgateway.dev/docs/envoy/latest/reference/api/
  - type: JSONSchema
    url: json-schema/traffic-policy.json
  - type: JSONSchema
    url: json-schema/backend.json
  - type: JSONSchema
    url: json-schema/direct-response.json
  - type: JSONSchema
    url: json-schema/gateway-extension.json
  - type: JSONSchema
    url: json-schema/gateway-parameters.json
  - type: JSONSchema
    url: json-schema/http-listener-policy.json
  - type: JSONSchema
    url: json-schema/ai-backend.json
  - type: JSONLD
    url: json-ld/kgateway-context.jsonld
- aid: kgateway:kgateway-trafficpolicy-api
  name: Kgateway TrafficPolicy API
  description: Attach traffic management policies to routes in an HTTPRoute resource or all routes served by a Gateway. Supports
    CORS, external auth, external processing, rate limiting, timeouts, retries, transformations, and header modifiers.
  humanURL: https://kgateway.dev/docs/envoy/latest/reference/api/
  baseURL: https://kubernetes.default.svc/apis/gateway.kgateway.dev/v1alpha1
  tags:
  - TrafficPolicy
  properties:
  - type: OpenAPI
    url: openapi/kgateway-trafficpolicy-api-openapi.yml
  - type: Documentation
    url: https://kgateway.dev/docs/envoy/latest/reference/api/
  - type: JSONSchema
    url: json-schema/traffic-policy.json
  - type: JSONSchema
    url: json-schema/backend.json
  - type: JSONSchema
    url: json-schema/direct-response.json
  - type: JSONSchema
    url: json-schema/gateway-extension.json
  - type: JSONSchema
    url: json-schema/gateway-parameters.json
  - type: JSONSchema
    url: json-schema/http-listener-policy.json
  - type: JSONSchema
    url: json-schema/ai-backend.json
  - type: JSONLD
    url: json-ld/kgateway-context.jsonld
name: Kgateway
tags:
- Gateways
type: Index
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/kgateway.png
access: 3rd-Party
created: '2026-01-02'
modified: '2026-05-19'
position: Consumer
description: kgateway is the most widely deployed gateway in Kubernetes for microservices and AI agents. It is a feature-rich,
  fast, and flexible Kubernetes-native ingress controller and next-generation API gateway built on top of Envoy proxy and
  the Kubernetes Gateway API.
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
specificationVersion: '0.19'
common:
- type: AgenticAccess
  url: agentic-access/kgateway-agentic-access.yml
- type: DomainSecurity
  url: security/kgateway-domain-security.yml
- type: Authentication
  url: authentication/kgateway-authentication.yml
- type: LinkedIn
  url: https://www.linkedin.com/company/kgateway
- name: kgateway
  description: 'null'
  url: https://kgateway.dev/
  type: Website
- name: Videos – kgateway
  description: 'null'
  url: https://kgateway.dev/resources/videos/
  type: Videos
- name: Blog – kgateway
  description: 'null'
  url: https://kgateway.dev/blog/
  type: Blog
- name: Kgateway 2.1.x – kgateway
  description: 'null'
  url: https://kgateway.dev/docs/envoy/latest/
  type: Documentation
- name: GitHub Repository
  description: 'null'
  url: https://github.com/kgateway-dev/kgateway
  type: GitHub

Kgateway

APIs 7

Open Collections 1

Pricing Plans 1