What is the Most Used Template for API Documentation?

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Here, are the various documentation template that make the whole process simple and easy. They are:

  • Swagger
  • Miredot
  • Slate
  • FlatDoc
  • API blueprint
  • RestDoc
  • Web service API specification

For API documentation, one of the most commonly used templates is the OpenAPI Specification (formerly known as Swagger). The OpenAPI Specification is a standardized format to describe RESTful APIs. It allows developers to understand the functionalities of an API, including available endpoints, request/response formats, authentication methods, and more.

Documentation tools and platforms often support the OpenAPI Specification, making it widely adopted in the industry for API documentation. The specification is written in JSON or YAML, providing a machine-readable contract for the API.

So, the correct answer to your question would be the OpenAPI Specification.