API Schema Visualizer

Visualize OpenAPI 3.0 and Swagger 2.0 specifications. Browse API endpoints, view request/response schemas, and explore data models in an interactive interface.

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Explore Your API Schema

Paste your OpenAPI or Swagger specification to visualize endpoints, schemas, and models.

API Schema VisualizerPaste your OpenAPI 3.0 or Swagger 2.0 specification to visualize endpoints, schemas, and data models. Click "Load Sample" to try it out.

Understanding API Specifications

Endpoints

Browse all API endpoints with HTTP methods, paths, parameters, and descriptions.

Schemas

View request and response schemas with data types, validation rules, and examples.

Models

Explore data models and their relationships in an easy-to-understand format.

Frequently Asked Questions

What is OpenAPI?

OpenAPI is a specification for describing RESTful APIs. It allows developers to document endpoints, request/response formats, authentication, and data models in a machine-readable format.

What is the difference between OpenAPI and Swagger?

Swagger was the original specification name. In 2016, it was renamed to OpenAPI Specification (OAS). Swagger 2.0 became OpenAPI 3.0 with improved features and structure.