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Swagger Codegen

Swagger Codegen is an open-source template-driven code generation tool that automatically generates client libraries, server stubs, and API documentation from OpenAPI Specification definitions. It supports 40+ client languages and 20+ server frameworks. Available as a CLI, Docker image, Maven/Gradle plugin, and online REST API at generator3.swagger.io.

Swagger Codegen publishes 4 APIs on the APIs.io network, including Generation API, Languages API, Options API, and 1 more. Tagged areas include Client Libraries, Code Generation, Open-Source, OpenAPI, and SDK.

The Swagger Codegen catalog on APIs.io includes 1 JSON-LD context and 2 Spectral governance rulesets.

Swagger Codegen’s developer surface includes developer portal, documentation, release notes, CLI, authentication, changelog, sandbox, and 32 more developer resources.

🌐 Visit website 📡 Source on GitHub
58.1/100 strong ▬ flat Agent 26/100 agent aware Full breakdown ↓
scored 2026-08-25 · rubric v0.14.0
AccessFreemium
5 APIs 1 MCP Servers
Client LibrariesCode GenerationOpen-SourceOpenAPISDK

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-08-25 · rubric v0.14.0
Composite quality — 58.1/100 · strong
Contract Quality 13.9 / 25
Developer Ergonomics 16.1 / 20
Access Clarity 10.5 / 20
Operational Transparency 5.8 / 13
Contract Governance 5.3 / 12
Discoverability 6.5 / 10
Agent readiness — 26/100 · 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 8 / 8
Request/Response Examples 7 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 5 / 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/swagger-codegen: 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 5

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

Swagger Codegen CLI

The Swagger Codegen command-line interface for generating code artifacts locally. Available as a JAR file and Docker image. Supports the same generators as the online API with a...

Swagger Codegen Generation API

Code generation endpoints for clients, servers, and documentation

Swagger Codegen Languages API

Discover available generator languages and types

Swagger Codegen Options API

Retrieve per-language configuration options

Swagger Codegen Utilities API

Template rendering and intermediate model generation

Open Collections 6

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

API Collection

OPEN COLLECTION

Swagger Generator Generation API

OPEN COLLECTION

Swagger Generator Generation Languages API

OPEN COLLECTION

Swagger Generator Generation Options API

OPEN COLLECTION

Swagger Generator Generation Utilities API

OPEN COLLECTION

Swagger Generator API

OPEN COLLECTION

MCP Servers 1

Model Context Protocol servers that expose these APIs to AI agents.

Swagger Codegen MCP Server

MCP SERVER

Pricing Plans 1

Published pricing tiers and plan structures.

Swagger Codegen Plans Pricing

3 plans

PLANS

Rate Limits 1

Documented rate limits and quota policies.

Swagger Codegen Rate Limits

5 limits

RATE LIMITS

FinOps 1

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

Swagger Codegen Finops

FINOPS

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Swagger Codegen Context

0 classes · 27 properties

JSON-LD

Spectral Rules 2

Spectral governance rulesets for linting and validating these APIs.

Swagger Codegen API Rules

5 rules · 3 warnings 2 info

SPECTRAL

Swagger Codegen API Rules

9 rules · 4 errors 5 warnings

SPECTRAL

JSON Schema 1

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

Swagger Codegen Generation Request

6 properties

JSON SCHEMA

JSON Structure 1

JSON Structure definitions describing this provider's data shapes.

Swagger Codegen Structure

0 properties

JSON STRUCTURE

Examples 2

Example request and response payloads for these APIs.

Swagger Codegen Generate Python Client Example

3 fields

EXAMPLE

Swagger Codegen List Languages Example

3 fields

EXAMPLE

Security Posture 4

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

Swagger Codegen Authentication

0 schemes

SECURITY

Swagger Codegen Domain Security

TLSv1.3 · DMARC

SECURITY

Swagger Codegen Vulnerability Disclosure

Hackerone · security.txt · contact published

SECURITY

Swagger Codegen Trust Center

SOC 2, ISO/IEC 27001, GDPR, CCPA, NIST CSF

SECURITY

Agentic Access 1

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

Swagger Codegen Agentic Access

10 operations · 3 acting

10 operations · 3 acting

AGENTIC

Resources

Get Started 3

Portal, sign-up, and the first successful call

Portal
Portal
 Sandbox
Sandbox
 GettingStarted
GettingStarted

Documentation 2

Reference material describing how the API behaves

Documentation
Documentation
 APIReference
APIReference

Agent Surfaces 4

MCP servers, agent skills, and machine-readable catalogs

MCPServer
MCPServer
 AgenticAccess
AgenticAccess
 AgentSkill
AgentSkill
 LLMsTxt
LLMsTxt

Design & Contract 5

Pagination, idempotency, versioning, errors, and events

Conventions
Conventions
 ErrorCatalog
ErrorCatalog
 Lifecycle
Lifecycle
 DataModel
DataModel
 Conformance
Conformance

Build 7

SDKs, sample code, and the tooling you integrate with

GitHubOrganization
GitHubOrganization
 GitHubRepository
GitHubRepository
 Maven Plugin
Maven Plugin
 Gradle Plugin
Gradle Plugin
 Packages
Packages
 SDKs
SDKs
 CLI
CLI

Scroll for all 7

Access & Security 6

Authentication, authorization, and security posture

DomainSecurity
DomainSecurity
 Authentication
Authentication
 Compliance
Compliance
 TrustCenter
TrustCenter
 VulnerabilityDisclosure
VulnerabilityDisclosure
 Security
Security

Operate 6

Status, limits, changes, and where to get help

Issues
Issues
 ReleaseNotes
ReleaseNotes
 Deprecation
Deprecation
 StatusPage
StatusPage
 ChangeLog
ChangeLog
 Support
Support

Commercial 3

Pricing, plans, and the legal terms of use

License
License
 TermsOfService
TermsOfService
 PrivacyPolicy
PrivacyPolicy

Company 2

The organization behind the API

Website
Website
 Blog
Blog

Other 1

Properties that don't map to a standard resource type

Docker
Docker

Source (apis.yml)

apis.yml Raw ↑ 
aid: swagger-codegen
name: Swagger Codegen
description: Swagger Codegen is an open-source template-driven code generation tool that automatically generates client libraries,
  server stubs, and API documentation from OpenAPI Specification definitions. It supports 40+ client languages and 20+ server
  frameworks. Available as a CLI, Docker image, Maven/Gradle plugin, and online REST API at generator3.swagger.io.
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
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/swagger-codegen.png
tags:
- Client Libraries
- Code Generation
- Open-Source
- OpenAPI
- SDK
tags_raw:
- Client Libraries
- Code Generation
- Open Source
- OpenAPI
- SDK
url: https://raw.githubusercontent.com/api-evangelist/swagger-codegen/refs/heads/main/apis.yml
created: '2026-03-16'
modified: '2026-08-06'
specificationVersion: '0.23'
apis:
- aid: swagger-codegen:swagger-codegen-cli
  name: Swagger Codegen CLI
  description: The Swagger Codegen command-line interface for generating code artifacts locally. Available as a JAR file and
    Docker image. Supports the same generators as the online API with additional template customization.
  humanURL: https://github.com/swagger-api/swagger-codegen#getting-started
  tags:
  - CLI
  - Code Generation
  - Command Line
  - Docker
  properties:
  - type: Documentation
    url: https://github.com/swagger-api/swagger-codegen/wiki
  - type: GettingStarted
    url: https://github.com/swagger-api/swagger-codegen#getting-started
  - type: Docker
    url: https://hub.docker.com/r/swaggerapi/swagger-codegen-cli-v3
  - type: Package
    url: https://mvnrepository.com/artifact/io.swagger.codegen.v3/swagger-codegen-cli
- aid: swagger-codegen:swagger-codegen-generation-api
  name: Swagger Codegen Generation API
  description: Code generation endpoints for clients, servers, and documentation
  humanURL: https://generator3.swagger.io/
  baseURL: https://generator3.swagger.io/api
  tags:
  - Generation
  properties:
  - type: OpenAPI
    url: openapi/swagger-codegen-generation-api-openapi.yml
  - type: Overlay
    url: overlays/swagger-codegen-generation-api-overlay.yaml
  - type: Documentation
    url: https://github.com/swagger-api/swagger-codegen/wiki
  - type: OpenAPI Source
    url: https://generator3.swagger.io/openapi.json
  - type: OpenAPI Original
    url: openapi/_original/swagger-generator-v3-openapi-original.json
  - type: GitHubRepository
    url: https://github.com/swagger-api/swagger-codegen
- aid: swagger-codegen:swagger-codegen-languages-api
  name: Swagger Codegen Languages API
  description: Discover available generator languages and types
  humanURL: https://generator3.swagger.io/
  baseURL: https://generator3.swagger.io/api
  tags:
  - Language
  tags_raw:
  - Languages
  properties:
  - type: OpenAPI
    url: openapi/swagger-codegen-languages-api-openapi.yml
  - type: Overlay
    url: overlays/swagger-codegen-languages-api-overlay.yaml
  - type: Documentation
    url: https://github.com/swagger-api/swagger-codegen/wiki
  - type: OpenAPI Source
    url: https://generator3.swagger.io/openapi.json
  - type: OpenAPI Original
    url: openapi/_original/swagger-generator-v3-openapi-original.json
  - type: GitHubRepository
    url: https://github.com/swagger-api/swagger-codegen
- aid: swagger-codegen:swagger-codegen-options-api
  name: Swagger Codegen Options API
  description: Retrieve per-language configuration options
  humanURL: https://generator3.swagger.io/
  baseURL: https://generator3.swagger.io/api
  tags:
  - Options
  properties:
  - type: OpenAPI
    url: openapi/swagger-codegen-options-api-openapi.yml
  - type: Overlay
    url: overlays/swagger-codegen-options-api-overlay.yaml
  - type: Documentation
    url: https://github.com/swagger-api/swagger-codegen/wiki
  - type: OpenAPI Source
    url: https://generator3.swagger.io/openapi.json
  - type: OpenAPI Original
    url: openapi/_original/swagger-generator-v3-openapi-original.json
  - type: GitHubRepository
    url: https://github.com/swagger-api/swagger-codegen
- aid: swagger-codegen:swagger-codegen-utilities-api
  name: Swagger Codegen Utilities API
  description: Template rendering and intermediate model generation
  humanURL: https://generator3.swagger.io/
  baseURL: https://generator3.swagger.io/api
  tags:
  - Utilities
  properties:
  - type: OpenAPI
    url: openapi/swagger-codegen-utilities-api-openapi.yml
  - type: Overlay
    url: overlays/swagger-codegen-utilities-api-overlay.yaml
  - type: Documentation
    url: https://github.com/swagger-api/swagger-codegen/wiki
  - type: OpenAPI Source
    url: https://generator3.swagger.io/openapi.json
  - type: OpenAPI Original
    url: openapi/_original/swagger-generator-v3-openapi-original.json
  - type: GitHubRepository
    url: https://github.com/swagger-api/swagger-codegen
common:
- type: MCPServer
  url: mcp/swagger-codegen-mcp.yml
- type: AgenticAccess
  url: agentic-access/swagger-codegen-agentic-access.yml
- type: DomainSecurity
  url: security/swagger-codegen-domain-security.yml
- type: Portal
  url: https://swagger.io/tools/swagger-codegen/
- type: Documentation
  url: https://github.com/swagger-api/swagger-codegen/wiki
- type: Website
  url: https://swagger.io/
- type: GitHubOrganization
  url: https://github.com/swagger-api
- type: GitHubRepository
  url: https://github.com/swagger-api/swagger-codegen
- type: Issues
  url: https://github.com/swagger-api/swagger-codegen/issues
- type: ReleaseNotes
  url: https://github.com/swagger-api/swagger-codegen/releases
- type: License
  url: https://github.com/swagger-api/swagger-codegen/blob/master/LICENSE
- type: Docker
  url: https://hub.docker.com/r/swaggerapi/swagger-codegen-cli-v3
- type: Maven Plugin
  url: https://mvnrepository.com/artifact/io.swagger.codegen.v3/swagger-codegen-maven-plugin
- type: Gradle Plugin
  url: https://plugins.gradle.org/plugin/org.hidetake.swagger.generator
- type: Packages
  url: packages/swagger-codegen-packages.yml
- type: SDKs
  url: packages/swagger-codegen-packages.yml
- type: CLI
  url: cli/swagger-codegen-cli.yml
- type: Authentication
  url: authentication/swagger-codegen-authentication.yml
- type: Conventions
  url: conventions/swagger-codegen-conventions.yml
- type: ErrorCatalog
  url: errors/swagger-codegen-problem-types.yml
- type: Lifecycle
  url: lifecycle/swagger-codegen-lifecycle.yml
- type: Deprecation
  url: lifecycle/swagger-codegen-lifecycle.yml
- type: StatusPage
  url: https://status.smartbear.com/
- type: ChangeLog
  url: changelog/swagger-codegen-changelog.yml
- type: DataModel
  url: data-model/swagger-codegen-data-model.yml
- type: Conformance
  url: conformance/swagger-codegen-conformance.yml
- type: Compliance
  url: https://trust.smartbear.com/
- type: TrustCenter
  url: security/swagger-codegen-trust-center.yml
- type: VulnerabilityDisclosure
  url: security/swagger-codegen-vulnerability-disclosure.yml
- type: Security
  url: https://smartbear.com/security/
- type: Sandbox
  url: sandbox/swagger-codegen-sandbox.yml
- type: AgentSkill
  url: skills/_index.yml
- type: LLMsTxt
  url: llms/swagger-codegen-llms.txt
- type: APIReference
  url: https://generator3.swagger.io/
- type: GettingStarted
  url: https://github.com/swagger-api/swagger-codegen#getting-started
- type: Support
  url: https://swagger.io/support/
- type: Blog
  url: https://swagger.io/blog/
- type: TermsOfService
  url: https://smartbear.com/terms-of-use/
- type: PrivacyPolicy
  url: https://smartbear.com/privacy/
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com
x-enrichment:
  date: '2026-08-06'
  status: enriched
  artifacts_added: 25
  pass: local-v1

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