Api Testing Foundations Online Course

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Close up iPhone showing Udemy application and laptop with notebookIn today’s software development industry, efficient and effective testing of application programming interfaces (APIs) is critical to ensure the delivery of high-quality software products. As a result, there has been a growing demand for online API testing courses that provide professionals with the knowledge and skills necessary to design, implement, and execute API tests. This article examines the best API testing courses available online, offering a comprehensive analysis of the course materials, instructor expertise, and learning outcomes to help interested individuals make informed decisions.

Here’s a look at the Best Api Testing Courses and Certifications Online and what they have to offer for you!

Api Testing Foundations Online Course

1. Rest API Testing (Automation) from Scratch-Rest Assured Java by Rahul Shetty (Udemy) (Our Best Pick)

The course titled Rest API Testing (Automation) from Scratch-Rest Assured Java covers topics related to REST API automation, including Postman, from basics to framework implementation. The course is instructed by Rahul Shetty, and it is the only course on the internet that covers Jira, Twitter, Google Maps, and YouTube API examples in such great depth of detail. The course is unique as it assumes that students have no experience in automation/coding and start every topic from scratch and basics.

The course provides more than 30 hours of unique content with real example code files provided to refer and learn with examples. The course is prepared on utmost care of picking real-world scenarios that actually industry does in testing REST APIs, and they are neatly delivered with every basic concept till framework building level. Upon completion of the course, a student will be mastered in REST API Automation and can implement it successfully in their workplace or will surely land on a high paying job.

The course covers REST API basics and terminology, understanding the REST API architecture, terminologies such as endpoint, resources, payload, parameters, what is Postman, how to test APIs with Postman, different types of REST requests, what is REST Assured, setting up REST ASSURED environment for automation, discussion on Google APIs for automation, REST Assured methods, REST Assured validations, methods to validate JSON and XPath responses, optimizing scripts to framework standards, discussion on JIRA APIs, discussion on Twitter APIs, understanding OAUTH authentication, POJO classes usage, serialization & deserialization for JSON inputs and outputs, tons of examples on automating APIs with REST Assured validations, logging feature to log responses, migrating project to TESTNG framework, building Maven setup as build management tool, creating BAT file to run the whole project on a single click.

The course also includes sections on handling dynamic JSON payloads with parameterization, real-world example automating Jira APIs, handling Google/Facebook OAUTH 2.

2. Quick Introduction to Postman and API Testing for Beginners by Valentin Despa, Learn with Valentine (Udemy)

The Quick Introduction to Postman and API Testing for Beginners course is taught by Valentin Despa of Learn with Valentine. The course is designed for beginners who need to learn about Postman and APIs for a new job or job interview. In the course, students will learn about REST APIs, which are used to exchange data between IT systems. Postman is a tool that helps create requests with the required HTTP method and parameters, submit the request, and easily inspect results.

The course is suitable for testing engineers and software developers who are developing APIs, as well as those who need to learn how to use APIs. The course covers the features of Postman, creating requests, building workflows, writing API tests, and running tests using the Postman Collection Runner and Newman.

The course is intended for those who need to get up to speed with Postman and start using APIs, but who don’t have a lot of time. While much can be learned by watching the content, students will need to invest more than three hours and complete practice assignments to develop the required skills.

By completing the course, students will learn how to start with simple requests, use HTTP methods, work with query parameters and path variables, understand HTTP headers, learn to deal with authentication, and organize tests in collections to share with their team. After the course, students will have an overview of Postman and be able to decide which areas they want to learn more about.

The course is divided into five sections: Introduction, Creating requests in Postman, Preparing for automation, Automated collection runs, and Last words. Students will need to complete the course to gain an understanding of REST APIs, Postman, and API testing. The course is a valuable resource for beginners who need to learn about APIs and Postman quickly.

3. POSTMAN API Testing – Step by Step for Beginners by Raghav Pal (Udemy)

The course POSTMAN API Testing – Step by Step for Beginners is designed for individuals who are new to POSTMAN. The course is led by instructor Raghav Pal and focuses on guiding beginners through the process of learning POSTMAN with real world examples. The course is structured to provide very basic step by step videos to guide individuals from scratch.

The course is broken down into several sections and covers the following topics:

– What is POSTMAN
– Download and installation of POSTMAN
– Understanding the POSTMAN GUI
– Creating collections, variables, environments, and tests
– Data driven testing
– Running POSTMAN from the command-line and Jenkins

The course content is structured into the following sections:

– About the instructor and the course
– Introduction
– Collections
– Variables
– Environments
– Test scripts creation
– Debugging
– Data driven testing
– Authorization
– Command line and Jenkins
– Workspaces, monitors, documentation
– Remote execution
– SOAP API testing
– API chaining
– Mock API
– Old videos created with an older version of POSTMAN

Overall, this course aims to provide a comprehensive introduction to POSTMAN for beginners. The course covers all the essential topics needed to get started with POSTMAN and includes real world examples to enhance the learning experience.

4. REST Assured API Automation,Allure Reports – An Introduction by Tejasvi Hegde (Udemy)

The REST Assured API Automation, Allure Reports – An Introduction course is designed for software QA engineers, automation engineers and software developers who want to learn how to automate API tests using REST Assured & Allure Reports using Junit4.

The course covers the importance of REST testing and the benefits of automating API tests. Students will learn how to create collections and environment variables in POSTMAN, send requests using GET, POST, PUT, PATCH, DELETE, OPTIONS and HEAD operations, and set up a REST Assured Maven project.

Students will also learn how to write tests for GET, POST, PUT, PATCH, and DELETE requests using REST Assured, extract response data using Jayway JsonPath, and use Allure Reports to provide beautiful display names, descriptions, and attachment information in their reports.

The course includes a Students Application and the Bestbuy API playground, which contains approximately 50,000 products, and all the code is available for download. Instructors will provide support for any questions that arise.

The course is divided into several sections, including an introduction to the course, setting up the Student Sample Application, using POSTMAN to make requests, installing pre-requisite software, writing tests with Rest Assured, extracting response data using Jayway JsonPath, and using Allure Reports. The course concludes with congratulations to the students.

5. API Testing with Python 3 & PyTest, Backend Automation 2022 by Admas Kinfu (Udemy)

The API Testing with Python 3 & PyTest, Backend Automation 2022 course provides training on creating a framework for API automation testing with Python and PyTest, SQL, Reports, and Docker. The course covers using Python to test the back-end of web services or APIs, building an extendable and scalable framework with PyTest, and learning SQL to read and write to/from databases. The course is suitable for anyone in the QA world or looking to advance their career. Upon completion of the course, learners will have access to plenty of APIs to test and practice, and industry-standard tools to add to their resumes.

The course covers creating an eCommerce application on the local machine that includes a web server and a database. WordPress and necessary plugins are installed to make it an eCommerce application. The eCommerce application provides all the APIs to be tested. The course teaches learners how to create an efficiently structured test framework and use Python to perform their verification. Learners also learn how to use the Python test runner tool pytest and why test runner tools are critical for automation testing.

Learners will receive over 35 lectures (more examples are continuously added), plenty of APIs (endpoints) to practice with beyond the class, enough material and examples to create a project and maintain a GitHub repo, and industry-standard tools to add to their resumes. Industry-standard tools covered in the course include MySQL Workbench, AMPPS (package with Apache, MySQL, PHP, ….), WordPress, and WooCommerce. The course includes sections on Introduction to the Course, Installation and Setup of Tools, Crash Course on PyTest, Build Framework – Project Structure, Test Case Discussion, Design Helper Classes, Environment Variables & Database Helper Class, Test Case ID 30, More Practice Test Cases, More Practice: Using Python Library by WooCommerce, More Practice: Setup & Database Configurations, Exercises, Running Tests in Docker Container, and a Bonus Section: SQL (MySQL) Crash Course.

6. REST API Testing Automation with Java + PostMan + Framework by LevelUp360° DevOps | Google Cloud | Terraform | Kubernetes | Ansible (Udemy)

The REST API Testing Automation with Java + PostMan + Framework course offered by LevelUp360° DevOps | Google Cloud | Terraform | Kubernetes | Ansible is designed to provide participants with the knowledge and skills required to become experts in working with Backend API Testing. The course is designed to cover REST Assured API Testing Automation and REST Assured API Test Framework Designing, and ensure that participants gain an understanding of Complete API Testing and API Testing Terminology. Participants will learn how to use PostMan and gain a complete knowledge of API Calling and Response Handling.

The course is designed for individuals who are interested in learning about REST API Automation even if they have never worked on this domain before. REST Assured API is a powerful API released by Google, which is used to automate REST API. REST has gained popularity due to its simplicity compared to other technologies. The course covers basics to advanced level with Rest Assured, Postman, Java, TestNG, RestAssured Framework Implementation & HTTP Client Framework implementation from Scratch with rich examples.

The course covers all aspects related to Rest API Manual testing and Automation. It explains API and WebServices, REST and SOAP Base API Testing, REST API Basics and Terminology, Getting started with REST API Testing, Client-Server Architecture, HTTP Protocol, REST API Requests and Response, REST API Testing using POSTMAN, JSON/XML Parsers, TestNG Automation Framework for REST Testing, Core Java Concepts for F/W implementation, API Automation, REST API Java Framework Design and Implementation, REST API Framework CI with Jenkins, GIT, Play Around JSON, JSON with Jackson Library, Supplement Tutorials and Resources, API Automation Tips & Tricks and Interview Material.

At the end of this course, participants will be able to pick any REST API over the internet and automate it comfortably with all necessary validations.

7. REST API Automation With REST Assured – A Complete Guide by Tejasvi Hegde (Udemy)

This course, entitled REST API Automation With REST Assured – A Complete Guide, aims to provide learners with the knowledge and tools necessary to succeed in REST API automation. The course is targeted towards software QA engineers, automation engineers and software developers who need to understand web services testing, and how to automate these tests. It covers a wide range of topics, including the use of the popular open-source REST Assured library for API test automation, writing tests for GET, POST, PUT, PATCH and DELETE operations using sample applications, and understanding and using JSONPath, XML Path (with Groovy syntax) to assert and extract the response.

The course also covers practical examples demonstrating different Rest Assured topics such as Request Specification, Response Specification, Logging, Parameters, File Download, and more. It teaches how to log Request and Response information based on test status, and how to avoid writing repetitive code by using Request/Response specification concepts. Multiple assertions can be added to a single test, and Soft Assertions in Rest Assured are also covered. The course includes real-world examples such as Walmart Search API, PayPal Payment Service, and authenticating into applications which implement Form Authentication using Spring Security & CSRF token implementation.

The course also covers Framework Development with Java, JUnit, Allure Reports, and Continuous Integration (CI) with Git, Github & Jenkins. At the end of the course, learners are expected to feel confident in their ability to take up API Testing, API Automation and execute it successfully in their organization.

The course is divided into several sections, including the Introduction to the course, Setting up the Student Sample Application, Writing Tests using REST Assured, Logging Request and Response Data in Rest Assured, etc. It also provides downloadable code for learners.

8. Learn API Automation Testing with Python & BDD Framework by Rahul Shetty (Udemy)

This course teaches API Automation Testing with Python and BDD Framework. It is instructed by Rahul Shetty, and the course covers a range of important topics and utilities in Python, including API testing, BDD automation framework, database validations, CSV readers, JSON parsers, batch job execution from Linux servers, SSH connection for file upload and download, and web scraping for data science work. This course is suitable for learners who are new to Python programming as it starts from scratch and builds up the knowledge step by step.

The course is designed to enable learners to master Python back end automation, even if they have never programmed in Python before. It covers many modules of Python required for server-side automation, and it explains all these modules from scratch. By the end of the course, learners will be able to confidently implement any Python automation jobs or clear any interview related to Python testing.

The course covers various topics such as JSON parsers with Python modules, API automation using the requests library, CRUD operations (GET, POST, DELETE, PUT) API operations automation, parsing API responses with Python utilities, and database interactions with Python SQL connector. It also covers BDD automation framework development from scratch, reading multiple result sets of database tables from Python, integrating database readers with API calls to build a payload, CSV parser with Python modules, interacting with AWS Linux servers, and establishing an SSH connection to Linux using Python Paramiko.

Additionally, the course covers sending commands and executing jobs in the server through Python, uploading and downloading files of batch jobs from servers with Paramiko, the importance of web scraping in data science projects and techniques to apply web scraping to extract content from web pages.

This course is beneficial for anyone looking to learn Python back-end automation and improve their skills in automation testing.

9. Webservices API Testing with Rest Assured API & POSTMAN 2022 by Rahul Arora (Udemy)

This course, titled Webservices API Testing with Rest Assured API & POSTMAN 2022, is taught by Rahul Arora. The course focuses on teaching students how to perform Webservices API automation testing using Rest Assured API and POSTMAN on live projects with CUCUMBER BDD. The course is designed to cover all levels of API testing using both manual and automation approaches on live projects.

API testing is in high demand, as 90% of applications, including web-based, mobile-based, and databases, communicate with each other using APIs. REST and SOAP are the two most commonly used APIs, and RESTful webservices account for 95% of the industry. Many large clients such as Amazon, Facebook, LinkedIn, Google, and Expedia use RESTful webservices in their applications.

If you are already familiar with Selenium, combining it with API Testing can be very beneficial in the industry. Companies look for in-depth knowledge of API automation, which can be used in the same automation framework designed to handle the UI, database, and mobile parts. Using Rest Assured API, the course goes in-depth into framework designing on webservices automation testing, which includes the popular Cucumber BDD approach.

The course covers a variety of topics, including API testing basics, the difference between SOAP and REST, and tools available for testing webservices. The POSTMAN tool is covered in-depth, as well as REST API methods such as GET, POST, PUT, DELETE, and more. The course also covers RestAssured API and building frameworks, handling OAUTH authentication, and JSON and XML. Additionally, students will learn about the Jackson Library, TestNG, Jenkins, Maven, Reporting Extent Report, parallel execution, Git/GitHub, data-driven testing, and Cucumber BDD.

10. Karate DSL: API Automation and Performance from Zero to Hero by Artem Bondar (Udemy)

The Karate DSL: API Automation and Performance from Zero to Hero course is designed to teach API automation testing, performance, and load testing using the Karate DSL and Gatling framework. The Karate DSL framework is used to perform HTTP connections and is running on Java. It also has a seamless integration with the Gatling framework for performance testing. The framework has a simple scripting language that can be picked up easily by people with no coding experience. Moreover, the framework has native support for JavaScript and Java programming languages.

The framework has many advantages, including a simple and easy-to-use scripting language, native support for JSON objects and JavaScript programming languages, powerful assertions and JSON schema validation, and parallel execution. The course covers various topics, such as understanding API and JSON objects, setting up and configuring the Karate framework, performing GET, POST, PUT, and DELETE requests, making powerful assertions for API responses, and traversing through JSON objects.

In addition, the course covers topics such as chaining API calls, generating random test data, handling authorization headers and access tokens, before/after hooks, parallel test execution, conditional testing, and data-driven testing. The course also teaches how to use Karate scripts for performance and load testing with the Gatling framework. This course is an excellent choice for those interested in API automation testing and performance testing.