Take advantage of open source Swashbuckle to generate Swagger documents for your ASP.NET Core Web API.

Once you’ve generated the Swagger files from your code markup, you can then use the Swagger editor to expand descriptions and make your API documentation user-friendly.

“We built Swagger Inspector to simplify the API development process by empowering developers to easily test and auto-generate their OpenAPI documentation with a single, cloud-based Swagger tool.” ...