What is OpenAPI Generator?
OpenAPI Generator is an advanced tool that automates the generation of client libraries, server stubs, and documentation from OpenAPI 2.0 and 3.x specifications. It supports more than 50 client generators and 40 server generators, enabling developers to quickly create code for various programming languages and technologies including Java, Kotlin, Go, and PHP.
The tool offers extensive customization options through Mustache-based templates and supports multiple integration methods including Maven, Gradle, Docker, and npm. It also provides special generators for Apache2 configuration, MySQL, and GraphQL schemas, making it versatile for different development needs.
Features
- Client Generation: Generate code for 50+ programming languages from OpenAPI documents
- Server Stubs: Create server stubs for 40+ languages and technologies including Java and Go
- Documentation Generation: Convert OpenAPI metadata to HTML, Cwiki, and other documentation formats
- Customization Options: Replace templates with custom Mustache-based templates for tailored output
- Multiple Integrations: Support for Maven, Gradle, Docker, npm, and other workflow integrations
- Schema Generators: Special generators for Apache2 configuration, MySQL, and GraphQL schemas
Use Cases
- Automatically generate client SDKs for API consumers
- Create server stubs for rapid API development
- Generate static documentation from OpenAPI specifications
- Convert OpenAPI 2.0 documents to OpenAPI 3.x format
- Design MySQL databases iteratively using schema generators
- Distribute official SDKs as part of API maintenance
FAQs
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What programming languages does OpenAPI Generator support?
OpenAPI Generator supports over 50 client generators and 40 server generators for languages including Java, Kotlin, Go, PHP, Ruby, and many others. -
Can I customize the generated code?
Yes, OpenAPI Generator allows customization through Mustache-based templates, custom generators, and various configuration options to tailor the output to specific needs. -
How can I install OpenAPI Generator?
OpenAPI Generator can be installed via npm, Homebrew, Docker, or as plugins for Maven, Gradle, SBT, and Cake build systems. -
Does OpenAPI Generator support OpenAPI 3.x documents?
Yes, OpenAPI Generator supports both OpenAPI 2.0 and 3.x documents, and can generate from OpenAPI 2.0 to newer JSON/YAML OpenAPI 3.x formats. -
What special generators are available?
OpenAPI Generator includes special generators for Apache2 configuration, MySQL schema generation, and GraphQL schema generation, among others.
