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Swagger OpenAPI Specification
Highest Rated
Rating: 4.6 out of 5(737 ratings)
3,303 students

Swagger OpenAPI Specification

OpenAPI | Swagger | Open API Specification | Swagger Specification | REST API
Last updated 8/2025
English

What you'll learn

  • Overview of OpenAPI and its benefits. You will learn about OpenAPI from the scratch. You will know why you need to use OpenAPI.
  • Understand the structure of the OpenAPI Specification. You will grasp the structure and become an expert in Swagger or OpenAPI document.
  • Create an OpenAPI document step-by-step. You will learn to create a new OpenAPI specification from the scratch.
  • Many Downloadable PDFs: OpenAPI Structure mind map, OpenAPI Quick Guide, HTTP Status Codes Cheat Sheet, complete OpenAPI Specification document.
  • Difference between Swagger and OpenAPI. You will a clear picture of both and will never get confused with these two terms.
  • Practice assignments to apply your learnings from this course. You will feel comfortable starting working on real-life projects.

Course content

5 sections46 lectures2h 49m total length
  • Welcome & About This Course2:25

    You have taken the right decision by choosing this course to get started with OpenAPI! At the end of this lecture, you will have a good overview of how this course is organized and what to expect out of this course.

    This lecture is part of the course "OpenAPI Specification for Software Developers", a guide to learning OpenAPI Specification (Swagger Specification) for highly productive API design, documentation, development, and testing.

  • DOWNLOAD: OpenAPI Specification Quick Guide0:18

    Download the OpenAPI Specification Quick Guide PDF.


    This lecture is part of the course "OpenAPI Specification for Software Developers", a guide to learning OpenAPI Specification (Swagger Specification) for highly productive API design, documentation, development, and testing.

  • DOWNLOAD: OpenAPI Specification Mindmap0:36

    Download the OpenAPI Specification Mindmap that contains:

    • List of all sections present in an OpenAPI.

    • List of all parameters present within each section, organized nicely in a mindmap format.


    This lecture is part of the course "OpenAPI Specification for Software Developers", a guide to learning OpenAPI Specification (Swagger Specification) for highly productive API design, documentation, development, and testing.

  • DOWNLOAD: OpenAPI Specification for CMS0:22

    Download the OpenAPI Specification of College Management System (CMS) that will be built throughout this course.


    This lecture is part of the course "OpenAPI Specification for Software Developers", a guide to learning OpenAPI Specification (Swagger Specification) for highly productive API design, documentation, development, and testing.

  • Join the Discord Community0:11

    Join the official students’ Facebook group to get even more feedback and support!


    This lecture is part of the course "OpenAPI Specification for Software Developers", a guide to learning OpenAPI Specification (Swagger Specification) for highly productive API design, documentation, development, and testing.

  • Recommended OpenAPI Tools0:23

    Get to know some of my recommended tools that can help you to work with OpenAPI Specification.


    This lecture is part of the course "OpenAPI Specification for Software Developers”, a guide to learning OpenAPI Specification (Swagger Specification) for highly productive API design, documentation, development, and testing.

  • Student's FAQs2:09

    Some of the frequently asked questions by the students and their answers.

Requirements

  • Basic knowledge of RESTful web services to understand the different components of an HTTP request.
  • Basic knowledge of JSON will be helpful.

Description

OpenAPI or Swagger Specification is the most popular specification for defining RESTful APIs. The usage of OpenAPI to document the API endpoints has increased in the development environment. Companies such as Postman, Google, Microsoft, and Oracle are members of OpenAPI. This course will teach you to build an OpenAPI specification from scratch.


Instructor Bio:

I am a software engineer with over 15 years of experience in the industry. I have worked on various projects and gained a wealth of knowledge and experience in cloud computing and Azure architecture. I am an experienced online course instructor who has trained many students on various software development topics, including API, .NET, Docker, Kubernetes, and Azure.


Topics Covered In This Course:

  • Overview of OpenAPI and its benefits.

  • Difference between Swagger and OpenAPI.

  • Understand the structure of the OpenAPI Specification.

  • Create an OpenAPI document step-by-step.

  • Many downloadable PDFs, including:

    • OpenAPI Structure mindmap

    • OpenAPI Quick Guide

    • HTTP Status Codes Cheat Sheet

    • OpenAPI Specification document used in this course, and so on.

  • Practice assignments to apply your learnings.


At The End Of This Course:

  • You will know the structure of an OpenAPI Specification and the steps to create one from scratch.

  • You will be able to understand any OpenAPI Specification document.


Enroll now to get started.

Who this course is for:

  • Developers, beginner or experienced, who work with web APIs. You can be consuming web APIs or implementing your own web services. This course will provide you with a strong foundation on understanding and using OpenAPI Specification standards.