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OpenAPI / Swagger

Import OpenAPI specs to interactive docs

Turn any OpenAPI 3.x or Swagger 2.0 specification into a beautiful interactive API reference. Import JSON or YAML specs, and FinalDoc generates browsable documentation with request builder, response examples, and code samples.

Key Features

What you get when you connect OpenAPI / Swagger with FinalDoc.

JSON & YAML

Import OpenAPI specs in either JSON or YAML format — the parser handles both.

Interactive Explorer

Readers can try endpoints directly from the docs with a built-in request builder.

6 Code Languages

Auto-generated code examples in cURL, JavaScript, Python, PHP, Ruby, and Go for every endpoint.

Multi-Version Support

Maintain multiple API versions (v1, v2, v3) with a version switcher for readers.

Auth Schemas

Supports API key, Bearer token, OAuth 2.0, and Basic Auth security schemes.

Server Variables

Handles OpenAPI server variables for staging/production environment URLs.

How to Connect

Follow these 5 steps to connect OpenAPI / Swagger with FinalDoc. Full details in the documentation.

  1. Export your OpenAPI spec from Postman, Swagger Editor, or any API tool.
  2. In FinalDoc: API Docs → Import → OpenAPI.
  3. Upload the YAML or JSON file.
  4. Preview the generated documentation and click Publish.
  5. Share the public API docs URL with your developers.

Use Cases

Common ways teams use the OpenAPI / Swagger integration.

Public API documentation for developer platforms
Internal microservice API catalogs
SDK documentation generated from API contracts
API-first development with spec-driven docs

Ready to get started?

Read the full setup guide in our documentation, or sign up and connect OpenAPI / Swagger in minutes.