Open Liberty website screenshot

Open Liberty

Open Liberty is a lightweight, open source Java application server from IBM for building cloud-native microservices and applications with full support for Jakarta EE and MicroProfile.

Open Liberty publishes 3 APIs on the APIs.io network: Configuration API, Health API, and Metrics API. Tagged areas include Application Server, Cloud Native, IBM, Jakarta EE, and Java.

The Open Liberty catalog on APIs.io includes 1 Spectral governance ruleset.

Open Liberty’s developer surface includes authentication, documentation, getting-started guide, engineering blog, and 4 more developer resources.

🌐 Visit website 📡 Source on GitHub
45.4/100 developing ▬ flat Agent 38/100 agent ready Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemiumSelf serve⚡ Free to try
3 APIs
Application ServerCloud NativeIBMJakarta EEJavaMicroProfileMicroservices

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 45.4/100 · developing
Contract Quality 13.6 / 25
Developer Ergonomics 6.5 / 20
Commercial Clarity 7.9 / 20
Operational Transparency 4.8 / 13
Governance 7.0 / 12
Discoverability 5.6 / 10
Agent readiness — 38/100 · agent ready
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 8 / 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/open-liberty: 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 3

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

Open Liberty Configuration API

Server configuration management via Admin REST Connector.

Open Liberty Health API

MicroProfile Health check endpoints.

Open Liberty Metrics API

MicroProfile Metrics endpoints.

Open Collections 1

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

Open Liberty Admin REST API

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Open Liberty Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Open Liberty Rate Limits

5 limits

RATE LIMITS

FinOps 1

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

Open Liberty Finops

FINOPS

Spectral Rules 1

Spectral governance rulesets for linting and validating these APIs.

Open Liberty API Rules

5 rules · 3 warnings 2 info

SPECTRAL

JSON Schema 1

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

Open Liberty Server Configuration

1 properties

JSON SCHEMA

Security Posture 2

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

Open Liberty Authentication

http · 1 scheme

SECURITY

Open Liberty Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Agentic Access 1

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

Open Liberty Agentic Access

11 operations

11 operations · 0 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 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization

Access & Security 2

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity
 Authentication
Authentication

Company 2

The organization behind the API

Website
Website
 Blog
Blog

Source (apis.yml)

apis.yml Raw ↑ 
aid: open-liberty
name: Open Liberty
description: Open Liberty is a lightweight, open source Java application server from IBM for building cloud-native microservices
  and applications with full support for Jakarta EE and MicroProfile.
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/open-liberty.png
tags:
- Application Server
- Cloud Native
- IBM
- Jakarta EE
- Java
- MicroProfile
- Microservices
url: https://raw.githubusercontent.com/api-evangelist/open-liberty/refs/heads/main/apis.yml
created: '2026-03-26'
modified: '2026-05-19'
specificationVersion: '0.19'
apis:
- aid: open-liberty:open-liberty-configuration-api
  name: Open Liberty Configuration API
  description: Server configuration management via Admin REST Connector.
  humanURL: https://openliberty.io/
  tags:
  - Configuration
  properties:
  - type: OpenAPI
    url: openapi/open-liberty-configuration-api-openapi.yml
  - type: Documentation
    url: https://openliberty.io/docs/
  - type: GettingStarted
    url: https://openliberty.io/start/
  - type: JSONSchema
    url: https://raw.githubusercontent.com/api-evangelist/open-liberty/refs/heads/main/json-schema/server-config.json
- aid: open-liberty:open-liberty-health-api
  name: Open Liberty Health API
  description: MicroProfile Health check endpoints.
  humanURL: https://openliberty.io/
  tags:
  - Health
  properties:
  - type: OpenAPI
    url: openapi/open-liberty-health-api-openapi.yml
  - type: Documentation
    url: https://openliberty.io/docs/
  - type: GettingStarted
    url: https://openliberty.io/start/
  - type: JSONSchema
    url: https://raw.githubusercontent.com/api-evangelist/open-liberty/refs/heads/main/json-schema/server-config.json
- aid: open-liberty:open-liberty-metrics-api
  name: Open Liberty Metrics API
  description: MicroProfile Metrics endpoints.
  humanURL: https://openliberty.io/
  tags:
  - Metrics
  properties:
  - type: OpenAPI
    url: openapi/open-liberty-metrics-api-openapi.yml
  - type: Documentation
    url: https://openliberty.io/docs/
  - type: GettingStarted
    url: https://openliberty.io/start/
  - type: JSONSchema
    url: https://raw.githubusercontent.com/api-evangelist/open-liberty/refs/heads/main/json-schema/server-config.json
common:
- type: AgenticAccess
  url: agentic-access/open-liberty-agentic-access.yml
- type: DomainSecurity
  url: security/open-liberty-domain-security.yml
- type: Authentication
  url: authentication/open-liberty-authentication.yml
- type: Website
  url: https://openliberty.io/
- type: Documentation
  url: https://openliberty.io/docs/
- type: GettingStarted
  url: https://openliberty.io/start/
- type: GitHubOrganization
  url: https://github.com/OpenLiberty
- type: Blog
  url: https://openliberty.io/blog/
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com