Ocelot website screenshot

Ocelot

Ocelot is an open-source API Gateway built with .NET for microservices architectures. It provides routing, authentication, rate limiting, load balancing, and service discovery features for managing and securing APIs in .NET ecosystems.

Ocelot publishes 3 APIs on the APIs.io network: Authentication API, Cache API, and Configuration API. Tagged areas include .NET, API Gateway, Microservices, and Open Source.

Ocelot’s developer surface includes authentication, documentation, getting-started guide, changelog, and 8 more developer resources.

🌐 Visit website 📡 Source on GitHub
44.1/100 developing ▬ flat Agent 34/100 agent aware Full breakdown ↓
scored 2026-08-05 · rubric v0.9.1
AccessFreemiumSelf serve⚡ Free to try
4 APIs
.NETAPI GatewayMicroservicesOpen Source

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-05 · rubric v0.9.1
Composite quality — 44.1/100 · developing
Contract Quality 14.6 / 25
Developer Ergonomics 8.3 / 20
Commercial Clarity 7.9 / 20
Operational Transparency 6.8 / 13
Governance 0.0 / 12
Discoverability 6.5 / 10
Agent readiness — 34/100 · 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 7 / 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/ocelot: 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 4

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

Ocelot API Gateway

Ocelot is an open-source .NET API Gateway that provides routing, authentication, authorization, rate limiting, load balancing, caching, and service discovery for microservices a...

Ocelot Authentication API

Obtain access tokens for the Administration API

Ocelot Cache API

Clear output cache regions

Ocelot Configuration API

Read and update the active gateway configuration

Open Collections 1

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

Ocelot Administration API

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Ocelot Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Ocelot Rate Limits

5 limits

RATE LIMITS

FinOps 1

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

Ocelot Finops

FINOPS

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Ocelot Authentication

http · 1 scheme

SECURITY

Ocelot Domain Security

TLSv1.3 · HSTS

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Ocelot Agentic Access

4 operations · 3 acting

4 operations · 3 acting

AGENTIC

Resources

Get Started 1

Portal, sign-up, and the first successful call

GettingStarted
GettingStarted

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 3

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization
 GitHubRepository
GitHubRepository
 SDKs
SDKs

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity
 Authentication
Authentication

Operate 3

Status, limits, changes, and where to get help

ChangeLog
ChangeLog
 Community
Community
 Issue Tracker
Issue Tracker

Company 1

The organization behind the API

Website
Website

Source (apis.yml)

apis.yml Raw ↑ 
aid: ocelot
name: Ocelot
description: Ocelot is an open-source API Gateway built with .NET for microservices architectures. It provides routing, authentication,
  rate limiting, load balancing, and service discovery features for managing and securing APIs in .NET ecosystems.
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/ocelot.png
tags:
- .NET
- API Gateway
- Microservices
- Open Source
url: https://raw.githubusercontent.com/api-evangelist/ocelot/refs/heads/main/apis.yml
created: '2026-03-16'
modified: '2026-05-19'
specificationVersion: '0.19'
apis:
- aid: ocelot:ocelot-gateway
  name: Ocelot API Gateway
  description: Ocelot is an open-source .NET API Gateway that provides routing, authentication, authorization, rate limiting,
    load balancing, caching, and service discovery for microservices architectures. It is configured via JSON files and integrates
    with ASP.NET Core middleware pipelines.
  humanURL: https://ocelot.readthedocs.io/en/latest/
  baseURL: https://ocelot.readthedocs.io/
  tags:
  - .NET
  - API Gateway
  - Microservices
  - Routing
  properties:
  - type: Documentation
    url: https://ocelot.readthedocs.io/en/latest/
  - type: GettingStarted
    url: https://ocelot.readthedocs.io/en/latest/introduction/gettingstarted.html
  - type: Reference
    url: https://ocelot.readthedocs.io/en/latest/features/configuration.html
  - type: Authentication
    url: https://ocelot.readthedocs.io/en/latest/features/authentication.html
  - type: GitHubRepository
    url: https://github.com/ThreeMammals/Ocelot
- aid: ocelot:ocelot-authentication-api
  name: Ocelot Authentication API
  description: Obtain access tokens for the Administration API
  humanURL: https://ocelot.readthedocs.io/en/latest/
  baseURL: https://ocelot.readthedocs.io/
  tags:
  - Authentication
  properties:
  - type: OpenAPI
    url: openapi/ocelot-authentication-api-openapi.yml
  - type: Documentation
    url: https://ocelot.readthedocs.io/en/latest/features/administration.html
  - type: Authentication
    url: https://ocelot.readthedocs.io/en/latest/features/authentication.html
  - type: GitHubRepository
    url: https://github.com/ThreeMammals/Ocelot
- aid: ocelot:ocelot-cache-api
  name: Ocelot Cache API
  description: Clear output cache regions
  humanURL: https://ocelot.readthedocs.io/en/latest/
  baseURL: https://ocelot.readthedocs.io/
  tags:
  - Cache
  properties:
  - type: OpenAPI
    url: openapi/ocelot-cache-api-openapi.yml
  - type: Documentation
    url: https://ocelot.readthedocs.io/en/latest/features/administration.html
  - type: Authentication
    url: https://ocelot.readthedocs.io/en/latest/features/authentication.html
  - type: GitHubRepository
    url: https://github.com/ThreeMammals/Ocelot
- aid: ocelot:ocelot-configuration-api
  name: Ocelot Configuration API
  description: Read and update the active gateway configuration
  humanURL: https://ocelot.readthedocs.io/en/latest/
  baseURL: https://ocelot.readthedocs.io/
  tags:
  - Configuration
  properties:
  - type: OpenAPI
    url: openapi/ocelot-configuration-api-openapi.yml
  - type: Documentation
    url: https://ocelot.readthedocs.io/en/latest/features/administration.html
  - type: Authentication
    url: https://ocelot.readthedocs.io/en/latest/features/authentication.html
  - type: GitHubRepository
    url: https://github.com/ThreeMammals/Ocelot
common:
- type: AgenticAccess
  url: agentic-access/ocelot-agentic-access.yml
- type: DomainSecurity
  url: security/ocelot-domain-security.yml
- type: Authentication
  url: authentication/ocelot-authentication.yml
- type: Website
  url: https://ocelot.readthedocs.io/
- type: Documentation
  url: https://ocelot.readthedocs.io/en/latest/
- type: GettingStarted
  url: https://ocelot.readthedocs.io/en/latest/introduction/gettingstarted.html
- type: ChangeLog
  url: https://github.com/ThreeMammals/Ocelot/releases
- type: GitHubOrganization
  url: https://github.com/ThreeMammals/Ocelot
- type: GitHubRepository
  url: https://github.com/ThreeMammals/Ocelot
- type: Community
  url: https://github.com/ThreeMammals/Ocelot/discussions
- type: Issue Tracker
  url: https://github.com/ThreeMammals/Ocelot/issues
- type: SDKs
  url: https://www.nuget.org/packages/Ocelot
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com