OpenAPI Generator website screenshot

OpenAPI Generator

OpenAPI Generator is an open-source tool that generates client libraries, server stubs, API documentation, and configuration automatically given an OpenAPI Specification. It supports over 50 client generators in various programming languages and frameworks.

OpenAPI Generator publishes 1 API on the APIs.io network. Tagged areas include Code Generation, Documentation, Open Source, OpenAPI, and SDK.

OpenAPI Generator’s developer surface includes documentation, engineering blog, FAQ, and 4 more developer resources.

🌐 Visit website 📡 Source on GitHub
20.8/100 emerging ▬ flat Agent 3/100 human only Full breakdown ↓
scored 2026-08-05 · rubric v0.9.1
AccessFreemium
1 APIs
Code GenerationDocumentationOpen SourceOpenAPISDK

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-05 · rubric v0.9.1
Composite quality — 20.8/100 · emerging
Contract Quality 0.0 / 25
Developer Ergonomics 2.2 / 20
Commercial Clarity 7.9 / 20
Operational Transparency 4.8 / 13
Governance 0.0 / 12
Discoverability 5.9 / 10
Agent readiness — 3/100 · human only
Machine-Readable Contract 0 / 18
Agentic Access Contract 0 / 10
MCP Server 0 / 12
Machine-Readable Auth 0 / 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/openapi-generator: 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 1

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

OpenAPI Generator

OpenAPI Generator generates client libraries, server stubs, API documentation, and configuration from OpenAPI specifications, supporting over 50 languages and frameworks.

Pricing Plans 1

Published pricing tiers and plan structures.

Openapi Generator Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Openapi Generator Rate Limits

5 limits

RATE LIMITS

FinOps 1

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

Openapi Generator Finops

FINOPS

Security Posture 1

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

Openapi Generator Domain Security

TLSv1.3 · HSTS

SECURITY

Resources

Documentation 1

Reference material describing how the API behaves

Documentation
Documentation

Build 1

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization

Access & Security 1

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity

Operate 1

Status, limits, changes, and where to get help

FAQ
FAQ

Company 2

The organization behind the API

Website
Website
 Blog
Blog

Other 1

Properties that don't map to a standard resource type

Generators
Generators

Source (apis.yml)

apis.yml Raw ↑ 
aid: openapi-generator
name: OpenAPI Generator
description: OpenAPI Generator is an open-source tool that generates client libraries, server stubs, API documentation, and
  configuration automatically given an OpenAPI Specification. It supports over 50 client generators in various programming
  languages and frameworks.
type: Index
accessModel:
  pricing: freemium
  onboarding: unknown
  trial: false
  try_now: false
  public: false
  label: Freemium
  confidence: medium
  source:
  - plans
  generated: '2026-07-22'
  method: derived
position: Consumer
access: 3rd-Party
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/openapi-generator.png
tags:
- Code Generation
- Documentation
- Open Source
- OpenAPI
- SDK
url: https://raw.githubusercontent.com/api-evangelist/openapi-generator/refs/heads/main/apis.yml
created: '2026-03-16'
modified: '2026-04-28'
specificationVersion: '0.19'
apis:
- aid: openapi-generator:openapi-generator
  name: OpenAPI Generator
  description: OpenAPI Generator generates client libraries, server stubs, API documentation, and configuration from OpenAPI
    specifications, supporting over 50 languages and frameworks.
  humanURL: https://openapi-generator.tech
  tags:
  - Code Generation
  - OpenAPI
  - SDK
  properties:
  - type: Documentation
    url: https://openapi-generator.tech/docs/installation
  - type: GettingStarted
    url: https://openapi-generator.tech/docs/usage
  - type: GitHubRepository
    url: https://github.com/OpenAPITools/openapi-generator
common:
- type: DomainSecurity
  url: security/openapi-generator-domain-security.yml
- type: Website
  url: https://openapi-generator.tech
- type: Documentation
  url: https://openapi-generator.tech/docs/installation
- type: GitHubOrganization
  url: https://github.com/OpenAPITools/openapi-generator
- type: Blog
  url: https://openapi-generator.tech/blog
- type: FAQ
  url: https://openapi-generator.tech/docs/faq
- type: Generators
  url: https://openapi-generator.tech/docs/generators
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com