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 9 more developer resources.

🌐 Visit website 📡 Source on GitHub

34.4/100 thin ▬ flat Agent 22/100 agent aware Full breakdown ↓
scored 2026-08-25 · rubric v0.14.0

AccessFreemiumSelf serve⚡ Free to try

4 APIs

.NET API Gateway Microservices Open-Source

Kin Score

Kin Score How this is scored →
scored 2026-08-25 · rubric v0.14.0

Composite quality — 34.4/100 · thin

Contract Quality 12.8 / 25

Developer Ergonomics 8.6 / 20

Access Clarity 3.2 / 20

Operational Transparency 3.4 / 13

Contract Governance 0.0 / 12

Discoverability 6.5 / 10

Agent readiness — 22/100 · agent aware

Machine-Readable Contract 18 / 18

Agentic Access Contract 10 / 10

Documented Reversibility 0 / 6

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

Delegated User Identity 0 / 6

Protected Resource Metadata 0 / 5

Registration Without a Human 0 / 6

Agentic Commerce Surface 0 / 5

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.

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.

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

Commercial 1

Pricing, plans, and the legal terms of use

License

License

Company 1

The organization behind the API

Website

Website

Source (apis.yml)

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
tags_raw:
- .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: '0.23'
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: License
  name: MIT
  url: https://github.com/ThreeMammals/Ocelot/blob/develop/LICENSE
- 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

Work with this as data

Every provider here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for providers

9 MCP tools reach this

find_providersBrowse and filter every provider in the catalog.
get_provider_artifactsEvery artifact this provider publishes, grouped by type.
get_provider_operationsEvery operation across all of their OpenAPIs — one call instead of parsing every spec.
get_provider_toolsEvery MCP tool they ship, with the operation each wraps.
get_provider_evidenceHow each part of their score was established. Free — the basis for a claim should not sit behind it.
get_provider_ratingPRO — composite, band, trend and facet scores.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

All 92 tools

Call it yourself

curl for this page

This provider

curl "https://apis.io/api/v1/providers/ocelot"

All providers

curl "https://apis.io/api/v1/providers?limit=25"

Every operation they expose

curl "https://apis.io/api/v1/providers/ocelot/operations?limit=25"

How their score was established

curl "https://apis.io/api/v1/providers/ocelot/evidence"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no email required.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.

Ocelot

Kin Score

APIs 4

Ocelot API Gateway

Ocelot Authentication API

Ocelot Cache API

Ocelot Configuration API

Open Collections 5

API Collection

Ocelot Administration API

Ocelot Administration Authentication API

Ocelot Administration Authentication Cache API

Ocelot Administration Authentication Configuration API

Pricing Plans 1

Ocelot Plans Pricing