OpenAPI to Go Converter - Generate Go Structs from OpenAPI/Swagger
Free online OpenAPI to Go converter. Generate type-safe Go API client code from OpenAPI 3.0 and Swagger specifications.
OpenAPI to Go - Convert Swagger Specs to Type-Safe Go Code
Input OpenAPI Specification
Paste your OpenAPI 3.0 or Swagger 2.0 specification in YAML or JSON format. The converter extracts schema definitions automatically.
Schema to Struct Conversion
All schemas defined in components/schemas are automatically converted to Go structs with proper type mapping and JSON tags.
Ready-to-Use Go Code
Get production-ready Go struct definitions with proper field types, JSON tags, and comments from schema descriptions.
Frequently Asked Questions
Which OpenAPI versions are supported?
The converter supports OpenAPI 3.0.x and Swagger 2.0 specifications. Both JSON and YAML formats are accepted.
Does it generate API client methods?
Currently, the converter focuses on generating struct definitions from schemas. Use the generated structs with HTTP client libraries like net/http or go-resty.
How are $ref references handled?
Schema references like $ref: '#/components/schemas/User' are automatically resolved and converted to Go type references.
Can I customize the package name?
Yes! Use the package name input field in the options panel to customize the Go package declaration in the generated code.
Is this OpenAPI to Go converter free?
Absolutely! Free unlimited conversions with no sign-up, no registration, and no hidden fees.
External Resources & Documentation
Official OpenAPI Specification documentation and reference
Generate Go client and server code from OpenAPI 3.0 specifications
Comprehensive Swagger 2.0 implementation with code generation
OpenAPI 3.0 parser and validator for Go
How to define data models and schemas in OpenAPI
Multi-language code generator supporting OpenAPI 2.0 and 3.0
Complete documentation for building Swagger-compliant APIs in Go
HTTP client library perfect for using with generated API structs
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