Hey, how can I publish my Web API with detailed documentation and make it easy to consume?

Answer: Document your Web API according to OpenAPI Specification. OpenAPI Spec is an standard human readable format to describe your REST API. Tools could be used to generate Server scaffolding and Client code for the API. Modern application integrations depend on OpenAPI Spec for integrating with your APIs.
Come to learn about OpenAPI Spec and how to generate OpenAPI Spec for Web API & generate Client code from OpenAPI Spec to consume the API in action.