Input format

OpenAPI converters

OpenAPI documents already model your API surface. Instead of running a heavy code generator, paste the relevant components.schemas block (JSON or YAML) into one of these tools and get just the types you need.

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All OpenAPI converters

15 conversions, all live.

OpenAPI → Python dataclass

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OpenAPI → Go struct

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OpenAPI → Rust struct

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OpenAPI → Kotlin data class

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OpenAPI → Swift struct

Sample OpenAPI

Here's the default sample used across the converter pages. Each tool page has additional real-world samples (User profile, e-commerce order, etc.) you can switch to.

openapi: 3.0.3
info:
  title: Sample
  version: 1.0.0
paths: {}
components:
  schemas:
    User:
      type: object
      required: [id, name]
      properties:
        id: { type: integer }
        name: { type: string }
        email: { type: string, format: email }