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API Testing Certification Course

To advance your career as an API Test Engineer, you will need to learn all the necessary methods and techniques and gain the skills. With Intellipaat’s API Testing training, you will learn about API Testing, the postman tool, creating quick receipts, etc. You will also acquire skills and work with various automation tools such as NPM, Newman, etc. Throughout this Postman certification, we will provide you with online assistance for you to clear all your course-related doubts. Besides, you will have lifetime access to the training resources to refer to at any time. Numerous assignments and projects on specific modules are included in the course to help you test the skills that you have attained. Register for the course today and become a professional in this domain.

Key Features

40 Hrs Instructor-led Training
35 Hrs Self-paced Videos
80 Hrs Project Work & Exercises
Flexible Schedule
24 x 7 Lifetime Support & Access
Certification and Job Assistance

Career Transitions

Renu Sharma M.Eng
Renu Sharma M.Eng
QA Engg to QA Lead
Software Quality Assurance Engineer intellipaat-image
Quality Assurance Test Lead intellipaat-image
Yogesh Kumar
Yogesh Kumar
Consultant to Tech Profile
Associate Consultant intellipaat-image
Senior Software Engineer intellipaat-image
Poojitha Pastham
Poojitha Pastham
Non Tech to Tech
Assistant Manager intellipaat-image
Sr. Software Engineer intellipaat-image
Er. Sushil Kuvind
Er. Sushil Kuvind
Database Developer to Programmer
Software Database Developer intellipaat-image
Developer intellipaat-image

Course Benefits

4.8/5 Student Satisfaction Rating
Students Transitioned for Higher Positions
Started a New Career After Completing Our Courses
Got Better Salary Hike and Promotion
intellipaat-image intellipaat-image
intellipaat-image intellipaat-image
And 1,000+ Global Companies

API Testing Course Overview

The acronym ‘API’ in API Testing stands for application programming interfaces. API Testing is a software testing method that involves the testing of APIs and determining their reliability, functionality, security, and performance. In Intellipaat’s course, we will help you land a lucrative job through several sessions of mock interviews, preparation of your resume, and more. By the end of the training, you will receive an industry-recognized Postman API Testing certification.

What is the objective of this Postman certification course?

The main objective of this course is to make you a professional in API Testing. We aim to do the same by helping you learn the following concepts, along with other significant ones:

  • Advantages of APIs
  • Web services vs APIs
  • Postman and Newman tools
  • Installation of JDK, JRE, IDE, and Maven
  • Basics of Java and JavaScript

Microservices use APIs to utilize their numerous services. A lot of Software Testers automate their testing process using tests based on UI. Due to this, there is a high demand for certified and skilled API Testing professionals around the world. To be a part of a well-reputed organization in this field with a high salary, you should sign up for this course.

The average income of these professionals in the United States, as per Glassdoor, is US$55,030 per year, which may rise to US$84,000 per year with experience. This is another reason why it is a smart career option for IT professionals.

Other than having a basic understanding of a few testing concepts, you do not need to have any specific skills or knowledge to learn API Testing. If you have an interest in learning API architecture and web services and wish to build a career in this domain, learning API testing is a must.

Aspirants who are aiming to pursue a career in API Testing or professionals who are looking for a career transition in this field can join the course. Some of the professionals who should definitely take up this training include:

  • IT Professionals
  • Architects
  • Web Service Testers
  • End-users
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Self Paced Training

  • 35 Hrs e-learning videos
  • Lifetime Free Upgrade
  • 24 x 7 Lifetime Support & Access

Looking for customized 1:1 training

  • Customized Learning
  • 24x7 Support
  • 1:1 Mentorship
  • Customized Training Schedule

Corporate Training

  • Customized Learning
  • Enterprise-grade Learning Management System (LMS)
  • 24x7 Support
  • Strong Reporting

API Testing Course Content

API introduction Preview

  • Introduction to web application architecture
  • Introduction to APIs
  • Introduction to Web-Services
  • How does an API works
  • What is API testing?
    1. What does API Testing involve
    2. Validation techniques used in API Testing
    3. API Testing Steps
    4. Understanding URI, End points, Resources, Http verbs
    5. GUI tools available for API Testing
    6. Command-line tools available for API Testing
    7. Best Practices for API Testing
  • Advantages of API
  • API vs Web-Services
  • Introduction to API architecture, REST API, SOAP API
  • Understanding how REST API architecture works
  • Understanding how SOAP API architecture works
  • Understanding the HTTP methods GET, POST, PUT, DELETE, PATCH, OPTIONS, HEAD, and Few more

Introduction to Postman API Testing Tool

  • What is Postman tool
  • Installation of Native Postman tool
  • Installation of Postman tool as Chrome Add-on
  • Introduction to Postman landscape
  • Introduction to Postman Settings
  • Creating First API request using Postman
  • Functional Testing of Web Services
  • Understanding History
  • Setting up Test Project with REST APIs
  • Validating responses with Postman client
  • Validating the body of the first JSON response
  • Examples of validating response headers and status codes
  • Understanding query parameters on sending request Validating status code
  • Validating Response time
  • How to debug & troubleshoot
  • How to create and manage Workspaces
  • Importing request from your browser
  • Cookies
  • Saving Responses
  • Creating collections in Postman tool
  • Importing/Exporting collections using Postman tool
  • Run Collections Remotely with URL
  • Creating variables at difference scope levels and how to refer them
  • How to set and get variables through scripting
  • Creating Environments
  • How to setup different URLs using environments
  • How to create quick scripts
  • Pre-request scripts
  • Test scripts/Assertions
  • Make the requests dynamic by taking advantage of variables
  • Generating code snippets in Postman tool
  • Troubleshooting.
  • Postman API Automation: Part 1
    • Collection Runner
    • Postman monitors
    • Automating with Newman tool
    • Basic introduction to NPM tool & NodeJS
    • Installing NodeJS
    • Installing Newman tool
    • Running a collection with Newman tool
    • Specifying environments in Newman tool
    • Creating an HTML report using Newman tool
    • Using Authentication/Authorization in Postman tool
  • Postman API Automation: Part 2
    • Automating POST request with payload
    • Grabbing the response body into the string for advance validations
    • Data-Driven testing using CSV and JSON
    • Scheduling the API testing periodically
    • Load testing of API testing in Postman tool
    • Running and analyzing Load Test results
    • Shortcut methods to convert Raw data to XML/JSON
    • Logging feature to debug automation scripts
    • Using Postman to Create a Reusable API Framework
    • Testing Workflow with TwitterAPI
  • Java Installation : JDK / JRE
  • IDE Installation: Eclipse/ IntelliJ / NetBeans
  • Maven Installation & Configuration
  • Build a Maven project, the configuration of Rest-Assured
  • Restful API Automation scripting: Rest-Assured using Java
  • What are variables
  • Data types
  • Operators
  • Control statements
  • Functions
  • Arrays
  • Objects
  • What are Java Classes
  • Java Objects
  • Java Methods
  • Constructors
  • Access Specifiers
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API Testing Projects

Web application development and testing

Domain: Web application Problem Statement: Build a responsive web application and use the necessary tools to test it. Topics: Web services, Postman landscape, Pre-request scripts

Maven project creation

Domain: Maven Problem Statement: Install JDK/JRE in the organization and create a Maven project. Topics: Newman tool, JDK, Rest-assured

API Testing Certification

This is an instructor-led API Testing certification designed by SMEs from top enterprises across the world. Intellipaat’s course aims to make you a professional in API Testing by helping you attain all the skills required. Throughout the course, we will give you 24-hour support where we will provide you a platform in which you can ask your doubts and get them cleared by the instructors or students who have taken up the same course.

You will gain experience in solving real-world business issues through industry-based assignments and projects. After completing the course and executing the projects successfully, you will become a certified professional in API Testing. Further, we will make you job-ready via numerous mock interviews, along with resume creation and more. Get a head start in your career with our comprehensive training.

API Testing Course Reviews


Mr Yoga


John Chioles




Dileep & Ajay






David Juvan

Software Tester at Dell

The trainer explained all the modules and topics in-depth. He explained all the concepts by providing real-life relatable examples. It made it easy for me to understand the concepts. The training resources provided in this course were also very helpful.

Alison Fischer

The online assistance provided in this REST API certification was great. The platform offered by Intellipaat allowed me to clear my doubts without much effort. The solutions or hints to the solutions were almost instantly given, which allowed me to keep up with the lectures. I find it the finest API training online.


Niharika Mittal

Blockchain Developer at IBM

Recently, I completed one of the best API Testing courses from Intellipaat, and it was really fruitful. I worked on a number of exercises and a few projects that helped me understand the concepts. These projects also benefited me in gaining industry experience.

API Testing Certification FAQs

Why should I take up Intellipaat’s API Testing course?

API Testing has become an important skill for professional Software Testers today, which is why there is a peak in the demand for API Testing courses online. In this course, we aim to help you learn API Testing by teaching you all the modules with practical real-life examples. Here, you will also get the opportunity to work on several exercises and industry-specified projects that will enhance your learning.

Also, you will be able to ask your doubts and get them cleared in our anytime available online platform. After the course, we will prepare you for your job interviews through resume creation and mock interview sessions, thereby increasing your confidence level to crack your actual job interview. We will also reward you with a course completion API Testing certification from Intellipaat.

Intellipaat offers various online testing courses such as Selenium Certification Training, ETL Testing, Manual Testing, Combo Course, Hadoop Testing, and master’s program in the domain.

At Intellipaat, you can enroll in either the instructor-led online training or self-paced training. Apart from this, Intellipaat also offers corporate training for organizations to upskill their workforce. All trainers at Intellipaat have 12+ years of relevant industry experience, and they have been actively working as consultants in the same domain, which has made them subject matter experts. Go through the sample videos to check the quality of our trainers.

Intellipaat is offering the 24/7 query resolution, and you can raise a ticket with the dedicated support team at anytime. You can avail of the email support for all your queries. If your query does not get resolved through email, we can also arrange one-on-one sessions with our trainers.

You would be glad to know that you can contact Intellipaat support even after the completion of the training. We also do not put a limit on the number of tickets you can raise for query resolution and doubt clearance.

Intellipaat is offering you the most updated, relevant, and high-value real-world projects as part of the training program. This way, you can implement the learning that you have acquired in real-world industry setup. All training comes with multiple projects that thoroughly test your skills, learning, and practical knowledge, making you completely industry-ready.

You will work on highly exciting projects in the domains of high technology, ecommerce, marketing, sales, networking, banking, insurance, etc. After completing the projects successfully, your skills will be equal to 6 months of rigorous industry experience.

Intellipaat actively provides placement assistance to all learners who have successfully completed the training. For this, we are exclusively tied-up with over 80 top MNCs from around the world. This way, you can be placed in outstanding organizations such as Sony, Ericsson, TCS, Mu Sigma, Standard Chartered, Cognizant, and Cisco, among other equally great enterprises. We also help you with the job interview and résumé preparation as well.

You can definitely make the switch from self-paced training to online instructor-led training by simply paying the extra amount. You can join the very next batch, which will be duly notified to you.

Once you complete Intellipaat’s training program, working on real-world projects, quizzes, and assignments and scoring at least 60 percent marks in the qualifying exam, you will be awarded Intellipaat’s course completion certificate. This certificate is very well recognized in Intellipaat-affiliated organizations, including over 80 top MNCs from around the world and some of the Fortune 500companies.

Apparently, no. Our job assistance program is aimed at helping you land in your dream job. It offers a potential opportunity for you to explore various competitive openings in the corporate world and find a well-paid job, matching your profile. The final decision on hiring will always be based on your performance in the interview and the requirements of the recruiter.

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