Skip to content

API & Network Tools · free · no sign-up

OpenAPI Viewer

View an OpenAPI (Swagger) JSON definition as readable documentation.

How it works Report a problem

OpenAPI Viewer

Extract and view API endpoints from an OpenAPI / Swagger JSON file.

Input Data

About the OpenAPI Viewer

View an OpenAPI (Swagger) JSON definition as readable documentation.

How to use the OpenAPI Viewer

  1. Paste your code into the input box, or click Sample to load an example.
  2. Press Process / Generate.
  3. Use Copy (or Download where shown) to keep the result. Clear empties the box.

Tips

  • You need the JSON version of the definition, not YAML.
  • Check that every endpoint has a description and example responses.

Frequently asked questions

What is OpenAPI?
A standard format for describing REST APIs.