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API (Application Programming Interface) courses and certifications are becoming increasingly popular as the demand for skilled API developers grows. Whether you are an experienced programmer looking to enhance your skill set or a beginner eager to dive into the world of API development, taking an online course or earning a certification can be a great way to level up your knowledge and expertise. In this article, we have compiled a list of the 10 best API courses and certifications available online.

1. Udemy: API Testing using Postman – Beginner to Pro Level

Udemy offers a comprehensive API Testing course that takes you from a beginner level to a pro level. This course covers the basics of API testing using Postman, one of the most popular testing tools. With hands-on exercises and real-world examples, you will learn how to create test cases, perform assertions, and automate API testing. By the end of the course, you’ll be equipped with the skills needed to confidently test APIs and ensure their functionality.

2. Coursera: Web Application Development with JavaScript and MongoDB

Coursera’s Web Application Development course focuses on building APIs using JavaScript and MongoDB. It covers the fundamentals of API design, implementation, and deployment. Through hands-on projects, you will learn how to create RESTful APIs, manage data using MongoDB, and secure your APIs. This course is suitable for developers who have a basic understanding of JavaScript and want to enhance their skills in API development.

3. edX: Introduction to API Development

If you’re new to API development, edX’s Introduction to API Development course is an excellent starting point. This course, offered by Microsoft, provides a solid foundation in creating APIs. You’ll learn key concepts such as HTTP, REST, JSON, and authentication. By the end of the course, you will have hands-on experience building your own API and understand the best practices for creating scalable and secure APIs.

4. LinkedIn Learning: Building and Securing RESTful APIs in Spring

LinkedIn Learning offers a comprehensive course on building and securing RESTful APIs using the Spring framework. This course covers the entire API development process, from setting up the development environment to implementing security measures. You will learn how to design RESTful APIs, handle authentication and authorization, and secure your APIs against common vulnerabilities. With real-world examples and practical exercises, this course will equip you with the skills needed to build robust and secure APIs.

5. Pluralsight: Designing RESTful APIs

Pluralsight provides a course specifically focused on designing RESTful APIs. This course teaches you essential principles and best practices for designing APIs that are efficient, scalable, and easy to use. You will learn about resource modeling, URL structure, versioning, error handling, and documentation. The course also covers strategies for handling authentication, caching, and pagination. By the end of the course, you will have a deep understanding of how to design APIs that meet the needs of developers and users alike.

6. Codecademy: Learn API Architecture

Codecademy’s Learn API Architecture course is ideal for beginners wishing to understand the fundamentals of API architecture. This course covers the basics of REST, HTTP methods, and API documentation using OpenAPI. You’ll also learn how to interact with APIs using cURL and Postman. With hands-on exercises and quizzes, this course provides a solid foundation in API architecture and prepares you for more advanced API development.

7. Udacity: Developing Scalable Apps with Python

Udacity’s Developing Scalable Apps with Python course focuses on building scalable web applications with Python, including building and consuming APIs. This course covers topics such as Flask, SQLAlchemy, and deploying your application to the cloud. You will learn how to create APIs with Flask, interact with databases using SQLAlchemy, and deploy your application using cloud platforms like Heroku. By the end of this course, you will have the skills to develop and deploy scalable web applications that utilize APIs effectively.

8. Skillshare: Mastering Swagger: A Beginner’s Guide

Skillshare offers a course that focuses on mastering Swagger, a powerful tool for designing, building, and documenting APIs. This course is designed for beginners and covers the basics of Swagger, including installation, creating API specifications, and generating documentation. With hands-on projects, you’ll gain practical experience in using Swagger to design and document your APIs efficiently.

9. Treehouse: Introduction to APIs

Treehouse’s Introduction to APIs course provides a comprehensive introduction to APIs and their role in web development. This course covers the basics of REST, JSON, and API authentication. You’ll also learn how to make API requests using JavaScript and implement API integrations in your web applications. With interactive quizzes and code challenges, this course offers a hands-on learning experience for beginners looking to understand APIs from the ground up.

10. Google Cloud: API Design and Fundamentals of Google Cloud’s Apigee API Platform

Google Cloud’s API Design and Fundamentals course focuses on API design principles and the use of Google Cloud’s Apigee platform. This course covers various topics, including RESTful API design, versioning, security, and analytics. You will learn how to design APIs that are scalable and user-friendly, as well as how to leverage Apigee’s features for API management, security, and analytics. This course is tailored for developers and architects who want to gain expertise in designing and managing APIs using the Apigee platform.


With the increasing demand for API developers, taking online courses or earning certifications in API development is a smart career move. Each of the 10 courses and certifications listed in this article provides valuable knowledge and practical skills for building, testing, and securing APIs. Whether you’re a beginner venturing into API development or an experienced developer looking to expand your skill set, there’s a course or certification out there to suit your needs. With dedicated study and practice, you’ll soon become proficient in API development and open doors to exciting career opportunities in this evolving field.