Swagger OpenAPI Fundamentals

Name: Swagger OpenAPI Fundamentals
Rating: 4.5 (424 reviews)

Swagger | Open API | Swagger API | REST API

Highest Rated

Created byPraveenkumar Bouna

Last updated 8/2025

English

What you'll learn

Learn Swagger Tools that includes Swagger Editor, Swagger UI, Swagger Codegen, Swagger Inspector, and SwaggerHub for simpler API management.
Design API using Swagger Editor and Swagger UI to create an OpenAPI Specification from scratch.
Use Swagger Codegen to generate server code stub and client SDK code to give you a ready-made code to start coding immediately.
Understand Swagger Inspector to test APIs with ease without leaving the Swagger ecosystem.
Collaborate using SwaggerHub with team members to manage the API with ease.
Publish APIs in the SwaggerHub community including steps to unpublish API, fork API, and delete API.
Analyze the usage of Swagger Tools to build an OpenAPI Specification through various stages with step-by-step instructions.
Understand the best practices for Swagger Tools usage.
Quizzes and assignments to validate your learning.
Lots of demos showing how to use Swagger Tools with clear instructions.

Course content

10 sections • 76 lectures • 3h 56m total length

Welcome & About This Course2:38
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 "Swagger Tools for API Developers", a guide to learning Swagger tools for simplified OpenAPI design, documentation, development, & testing.
DOWNLOAD: OpenAPI Specification for CMS0:25
Join the Discord Community0:11

Introduction1:44
A quick overview of the topics you will learn in this section.
Swagger vs OpenAPI3:17
Know the difference between Swagger and OpenAPI.

This lecture is part of the course "Swagger Tools for API Developers”, a guide to learning Swagger tools for simplified OpenAPI design, documentation, development, & testing.
Overview of Swagger Tools3:24
Get an overview of the OpenAPI specification.

This lecture is part of the course "Swagger Tools for API Developers”, a guide to learning Swagger tools for simplified OpenAPI design, documentation, development, & testing.
Design-first vs Code-first3:08
Understand the benefits of the design-first and code-first approach. Also, know which approach is recommended.

This lecture is part of the course "Swagger Tools for API Developers”, a guide to learning Swagger tools for simplified OpenAPI design, documentation, development, & testing.
Overview of the Demo Project2:15
Get an overview of the project that we will be developing throughout this course.

This lecture is part of the course "Swagger Tools for API Developers”, a guide to learning Swagger tools for simplified OpenAPI design, documentation, development, & testing.
ACTIVITY: Getting Started
Conclusion1:59
A quick recap of the topics you learned in this section and what is coming up next.

Introduction2:08
A quick overview of the topics you will learn in this section.
Step 1: Creating SwaggerHub Account2:37
Step 2: Understanding Hierarchy Structure3:09
Step 3: Importing an Existing API2:39
Import an existing api into swagger hub, choosing owner and visibility, upload yaml or json files, validate the import, and view the open api in the swagger editor.
Step 4: Navigating SwaggerHub7:08
Step 5: Creating a New API3:28
Create a new open API from scratch in Swagger Hub by entering name, version, title, and description, choosing version 3.0.0, visibility, and optionally enabling mock or using a template.
ACTIVITY: SwaggerHub
ACTIVITY: Public APIs in SwaggerHub0:13
ACTIVITY: SwaggerHub Plans & Features0:07
Conclusion2:22
A quick recap of the topics you learned in this section and what is coming up next.

Introduction3:18
A quick overview of the topics you will learn in this section.
DOWNLOAD: OpenAPI 3.0.3 Structure Mindmap0:17
Step 1: Add the OpenAPI Version1:17
Add the OpenAPI version to a new document, verify 3.0.0 in Swagger UI, and adjust the version in the code editor while honoring the mandatory OpenAPI tag before adding information.
Step 2: Add Metadata4:24
Configure the Swagger OpenAPI info metadata by entering title, description, version, terms of service, contact, and license via code or visual editors.
Step 3: Add Additional References1:23
Step 4: Add Server Details5:00
Step 5: Add Tags to Group API Operations2:28
Step 6: Add Paths (Part 1: Path Details)3:43
Step 6: Add Paths (Part 2: Operations)3:42
Fix a duplicate path error in swagger editor. Add a get operation to the courses path that returns all courses, with tags, summary, and operation ID.
Step 6: Add Paths (Part 3: Parameters)4:30
Step 6: Add Paths (Part 4: Responses)10:09
Step 6: Add Paths (Part 5: Request Body)7:19
Step 7: Add Components9:28
Step 8: Add Security4:37
ACTIVITY: Assignment 10:25
Check your understanding of Swagger Editor by writing an API for a simple problem statement.
Assignment 1 Solution: Adding Operations for Individual Course Item12:55
ACTIVITY: Swagger Editor & Swagger UI
ACTIVITY: Swagger Editor and Swagger UI on GitHub0:16
Conclusion3:50
A quick recap of the topics you learned in this section and what is coming up next.

Introduction1:44
A quick overview of the topics you will learn in this section.
Forking an API4:05
Publishing an API3:12
Publish an API when ready for production by selecting a version and confirming the publish action; once published, the API becomes read-only, and changes require unpublishing or a new version.
Versioning an API4:43
Deleting an API3:59
Mocking API6:07
ACTIVITY: Managing the APIs
ACTIVITY: Assignment 10:35
Conclusion2:08
A quick recap of the topics you learned in this section and what is coming up next.

Introduction1:51
A quick overview of the topics you will learn in this section.
Overview of Swagger Codegen1:58
PREREQUISITE: Install .NET SDK0:16
Step 1: Setting the Server Codegen Options3:04
Step 2: Generating the Server Stub Code2:39
Step 3: Building the Generated Codes2:28
Step 4: Testing the Server Stub4:05
ACTIVITY: Assignment 10:34
Conclusion1:52
A quick recap of the topics you learned in this section and what is coming up next.

Introduction2:34
A quick overview of the topics you will learn in this section.
Overview of SwaggerHub Hierarchy2:32
Explore how Swagger Hub organizes collaboration through organizations, projects, teams, and APIs, enabling seamless sharing and management of domains across teams.
Step 1: Creating a New Organization4:46
Step 2: Creating a New Project2:40
Step 3: Creating a New Team2:23
Step 4: Creating APIs and Domains6:06
Create and manage an organization API in Swagger Hub, choose project and visibility, then create a domain with open API 3.0.0 to share reusable components across APIs.
Step 5: Collaborating with Team Members6:58
Conclusion2:08
A quick recap of the topics you learned in this section and what is coming up next.

Requirements

Basic knowledge of designing RESTful API is expected.
Basic knowledge of JSON and YAML will be helpful but not mandatory.

Description

Welcome to the Swagger Tools course. This course introduces you to the powerful world of Swagger tools for API management. Whether you're a developer, designer, or technical writer, this course will provide the knowledge and skills to simplify API design, documentation, development, and testing using Swagger's suite of tools. This course offers around four hours of content along with practice activities. To help you better understand, it follows a step-by-step approach to working with an OpenAPI project from scratch.

Instructor Bio:

Praveen is an experienced product designer and developer who has worked for 10 years at Honeywell and 7 years at Bosch. He specializes in building products on the .NET stack and cloud platforms. He has a patent and has presented two papers. Additionally, he has published 20+ Courses and 50+ Hands-On Labs on Kubernetes, Docker & Azure, teaching thousands of students on various cloud-native topics.

Topics Covered:

Introduction to Swagger: Understand the role of Swagger in API management.
Getting Started with Swagger Tools: Set up and configure Swagger tools in your development environment.
Swagger Hub: Discover the collaborative features and benefits of Swagger Hub.
Swagger Editor: Master designing and documenting APIs using Swagger Editor.
Swagger UI: Create interactive API documentation with ease using Swagger UI.
Swagger Codegen: Automate the generation of client SDKs with Swagger Codegen.
Swagger Inspector: Streamline API testing and debugging using Swagger Inspector.

What You Will Achieve:

You will know to use all Swagger tools: Swagger Editor, Swagger UI, Swagger Codegen, Swagger Inspector, and SwaggerHub.
You can document and generate server and client code, test the generated codes, and collaborate with team members on any OpenAPI Specification.

Enroll now to start your journey in Swagger/OpenAPI projects.

Who this course is for:

Web Developers who work with APIs by either consuming or exposing APIs. You may be working with internal teams or external 3rd party teams.
Software Engineers who work with OpenAPI Specification.
Technical Leads who need to guide their team for embracing API within their product.
Software Architects who design the system around API with the benefits offered by OpenAPI and Swagger Tools.

Swagger OpenAPI Fundamentals

What you'll learn

Explore related topics

Course content

Course Introduction3 lectures • 3min

Get Started with Swagger Tools6 lectures • 16min

SwaggerHub: An Overview9 lectures • 24min

Swagger Editor and Swagger UI: Create New API18 lectures • 1hr 19min

Manage the APIs8 lectures • 27min

Swagger Codegen: Generate Server Stub9 lectures • 19min

Swagger Inspector: Test the API Server7 lectures • 21min

Swagger Codegen: Generate Client SDK6 lectures • 15min

SwaggerHub: Collaborate with the Team8 lectures • 30min

Course Conclusion2 lectures • 2min

Requirements

Description

Who this course is for: