API Testing Course Overview

API Testing Course Overview

The API Testing course is a comprehensive program designed to equip learners with the skills needed to conduct thorough testing of Application Programming Interfaces (APIs), which serve as the backbone of modern web and mobile applications. The course starts with the API Testing Basic module, introducing participants to fundamental concepts such as client-server architecture, different layers of software development, and the essentials of APIs and API testing. Learners will understand the differences between API testing and unit testing, get an introduction to web services, and learn about HTTP structure, XML, JSON, URIs, URLs, and the tools used for API testing.

Throughout the course, participants will gain hands-on experience with tools like Postman and REST Assured, and explore RESTful web services, including the difference between REST and SOAP services. The program covers both basic and advanced topics, ensuring a thorough understanding of API testing techniques, challenges, and best practices. By obtaining an api testing certification, learners will validate their expertise and expand their job opportunities in a market that increasingly demands API testing proficiency. The course also provides a list of api testing certification options for further professional development.

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  • Live Online Training (Duration : 32 Hours)
  • Per Participant
  • Guaranteed-to-Run (GTR)
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♱ Excluding VAT/GST

Classroom Training price is on request

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  • Live Online Training (Duration : 32 Hours)
  • Per Participant

♱ Excluding VAT/GST

Classroom Training price is on request

You can request classroom training in any city on any date by Requesting More Information

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Course Prerequisites

To ensure that you have the best learning experience in our API Testing course, we recommend that you come equipped with the following prerequisites:


  • Basic understanding of software development concepts and methodologies.
  • Familiarity with client-server architecture and how web applications work.
  • Knowledge of at least one programming or scripting language (e.g., Java, JavaScript, Python, etc.).
  • An understanding of JSON and XML data formats.
  • Awareness of the HTTP protocol, including common methods (GET, POST, PUT, DELETE) and status codes.
  • Familiarity with web services and the concept of RESTful APIs is helpful but not mandatory.
  • Basic computer literacy and proficiency in using a Windows or Mac operating system.
  • Ability to navigate and perform basic operations in an Integrated Development Environment (IDE) such as Eclipse.
  • A willingness to learn new tools and technologies related to API testing.

Please note that these prerequisites are meant to provide you with a foundation that will help you grasp the course material more effectively. They are not meant to be barriers to entry. Our course is designed to guide you through the learning process, building on the knowledge you bring to ensure your success in mastering API Testing.


Target Audience for API Testing

The API Testing course is designed for IT professionals who want to specialize in software testing and ensure quality in web services.


  • Software Testers
  • QA Engineers
  • Automation Testers
  • Software Developers interested in testing
  • Test Managers
  • API Developers
  • Performance Test Engineers
  • Technical Project Managers
  • Full Stack Developers
  • DevOps Engineers
  • IT Professionals who want to learn API testing
  • Quality Analysts
  • System Integrators


Learning Objectives - What you will Learn in this API Testing?

Introduction to the API Testing Course Learning Outcomes:

The API Testing course equips participants with the knowledge to validate APIs effectively, understand client-server interactions, and utilize tools like Postman and Rest Assured for API testing.

Learning Objectives and Outcomes:

  • Understand the fundamentals of client-server architecture and the role of APIs in application layers.
  • Differentiate between API testing and unit testing, recognizing the unique purposes and methodologies of each.
  • Gain a foundational knowledge of web services, including an introduction to SOAP and REST, and their respective use cases.
  • Master the structure of HTTP requests and responses, along with the significance of HTTP methods and status codes.
  • Acquire the ability to work with data interchange formats such as XML and JSON.
  • Learn to use API testing tools effectively, with a focus on Postman for crafting and organizing API requests and tests.
  • Develop an understanding of REST Assured, a popular Java library for API testing, and configure it with Eclipse.
  • Create and validate API tests, including checking response statuses, headers, and parsing JSON response bodies using Rest Assured.
  • Explore advanced API testing techniques, including sending POST, PUT, and PATCH requests, and managing authentication and authorization.
  • Design a sample automation framework using REST Assured, integrating API testing into the broader testing strategy.