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API Testing Masterclass from scratch (Postman+Rest Assured)
Bestseller
Role Play
Rating: 4.6 out of 5(336 ratings)
3,236 students
Last updated 5/2026
English

What you'll learn

  • API Fundamentals & Architectures with real time examples
  • Understand APIs inside out: REST, HTTP, GraphQL, Status Codes, API Types
  • Use Postman like a pro: Auth flows, Params, Assertions, Cookie Validation
  • Build end-to-end API Automation with Rest Assured in Java
  • Structure test frameworks using Maven, TestNG, Property Files, Soft/Hard Asserts
  • Master JSON handling, Schema Validation, Serialization & Deserialization using POJOs
  • Automate workflows: API Chaining, Request Bodies, Token Auth, File Uploads
  • Integrate with CI/CD using Jenkins: Build, Test, Deploy pipelines with reports
  • Version control with Git: Branching strategies, conflict resolution, real-world workflows
  • Learn API metrics, resume strategies, and interview preparation
  • Work on real-time projects: ChatGPT APIs, Coop App, Multi-API flows
  • Explore AI use cases and performance techniques in API automation
  • Design Patterns, Software Architectures, Coding Optimization Techniques

Course content

30 sections176 lectures23h 10m total length
  • How to navigate through the course ? MUST WATCH5:56

    Must Watch Session

    Before we dive into the technical details, I want to share something important with you. Learning APIs might feel overwhelming at first — new concepts, new tools, and sometimes even new programming languages. But here’s the truth: every expert you see today once started exactly where you are — at the beginning.


    APIs are the backbone of modern applications. If you learn them well, you’re not just learning a skill — you’re unlocking opportunities. As a tester, automation engineer, or developer, mastering APIs makes you future-proof. It allows you to understand systems at a deeper level, build robust test automation, and speak the language of developers and architects with confidence.


    Now, how do you succeed in this course?

    1. Be consistent. Don’t rush. Watch one lesson, practice it, and repeat until it feels natural.

    2. Hands-on learning. Every concept here is practical. Open your IDE, hit those APIs, see the responses. That’s how you’ll learn the fastest.

    3. Don’t fear mistakes. When something doesn’t work — that’s not failure, that’s learning in progress. Debugging is where real growth happens.

    4. Think beyond tasks. Ask yourself: Why is this API built this way? How can I test it better? What happens if I push it to its limits? That’s how you’ll think like an engineer, not just a tester.

    5. Stay curious. The more you explore, the more doors you open — in automation, in interviews, in your career.


    By the end of this course, you won’t just know how to automate APIs — you’ll have the confidence to solve real-world problems. And trust me, this confidence will set you apart in interviews, projects, and leadership discussions.

    So, let’s start this journey together. Remember — it’s not about being perfect on day one, it’s about growing step by step. And every step you take here brings you closer to being the kind of engineer companies dream of hiring.

  • 001_Pilot_Types of Automation1:36
  • 002_Understand Automation Trend for SDET5:18
  • 003_What is an API ?5:37
  • Resource Download - PPT0:01
  • 004_How to see APIs in Network section5:35
  • 005_RealtimeMakemytripExample2:36
  • 006_Video_History of API1:48
  • 007_Video_What is API Testing ?4:56
  • 008_Video_Why we need API Testing ?11:24
  • 009_Video_Benefits of API Testing15:12
  • 010_Video_What is Http _ Https Protocols3:45
  • 011_Video_Http vs Https4:10

Requirements

  • You do not need to have any prerequisites on API to learn this course
  • Just be open to learn and have patience to implement the same in your local machine
  • Basic knowledge in Java programming language

Description

Master API Automation Testing with Rest Assured, Postman, CI/CD, and Real-Time Projects


- Become an Industry-Ready API Test Automation Engineer for top Product Companies.
- Don’t just learn — strive to truly understand the concept.

- Are you looking to master API testing and automation with real-world, enterprise-grade examples? This course is meticulously crafted for QA Engineers, Automation Testers, and SDETs who want to go beyond theory and build practical API automation frameworks used by top product companies.

- From API fundamentals to Rest Assured automation, from Postman to Jenkins CI/CD, and from Git mastery to real-time project implementation—you’ll get hands-on skills, downloadable resources, and reusable code templates to make your learning job-focused and impactful.

What You'll Learn

  • Learn Concepts of Software Architectures [ imp for SDET role ]

  • Understand APIs inside out: REST, HTTP, GraphQL, Status Codes, API Types

  • Use Postman like a pro: Auth flows, Params, Assertions, Cookie Validation

  • Build end-to-end API Automation with Rest Assured in Java

  • Structure test frameworks using Maven, TestNG, Property Files, Soft/Hard Asserts [ imp for SDET role ]

  • Master JSON handling, Schema Validation, Serialization & Deserialization using POJOs [ imp for SDET role ]

  • Automate workflows: API Chaining, Request Bodies, Token Auth, File Uploads [ imp for SDET role ]

  • Integrate with CI/CD using Jenkins: Build, Test, Deploy pipelines with reports [ imp for SDET role ]

  • Version control with Git: Branching strategies, conflict resolution, real-world workflows

  • Learn API metrics, resume strategies, and interview preparation

  • Work on real-time projects: ChatGPT APIs, Coop App, Multi-API flows

  • Explore AI use cases and performance techniques in API automation [ imp for SDET role ]


Who Should Take This Course?

  • Manual testers looking to switch to automation

  • QA Engineers ready to implement real-world API automation frameworks

  • SDETs preparing for interviews in top product companies

  • Anyone who wants hands-on experience in Postman, Rest Assured, Git, Jenkins, Maven, TestNG, Design Patterns & Java


What Makes This Course Unique?

  • 150+ practical lessons and code-along videos

  • Includes interview questions, resume tips, and real-time projects

  • Downloadable documents, PPTs, templates, and coding challenges

  • Covers Postman + Rest Assured + CI/CD with Jenkins + Git

  • Project-based learning with emphasis on code design patterns and framework structuring

  • Includes ChatGPT API automation, API chaining, POJO handling, and JSONPath


Tools & Technologies Covered

  • Postman

  • Rest Assured (Java)

  • Git & GitHub

  • Jenkins

  • Maven

  • TestNG

  • JSON / POJO / Schema Validation

  • API chaining and token-based authentication

  • Java Programming Best Practices

  • Design Patterns

  • Software Architectures: Monolith & Microservice

  • Wrapper class in Java

  • Enum in Java


Included Resources

  • All course code on GitHub

  • Access to downloadable files: strategies, test plans, MCQs, resume templates

  • Mock interviews, coding patterns, and time-space complexity discussions

  • Retry Listeners, Wrapper Classes, Extent Reports, and more


Course Outcome

By the end of this course, you’ll be able to:

  • Build an advanced automation framework for API testing

  • Work on live projects and CI pipelines with confidence

  • Handle real-world API challenges like tokenization, chaining, schema validation

  • Stand out in SDET interviews with strong practical and architectural skills

About the Trainer

This course is created by Automation Skill Hub , an industry-recognized leader in Software Development Engineering in Test (SDET) with over 15 years of hands-on experience in automation, testing frameworks, and building high-performing QA strategies.

We manages global mentor and educator with a strong community presence, having built a trusted network of 100,000+ LinkedIn followers & 8000 Students. He has trained and guided thousands of engineers worldwide, helping them transition into advanced test automation and thrive in product-based companies.

With his deep expertise and passion for simplifying complex technical concepts, our teaching style bridges the gap between real-world industry practices and learner-friendly explanations — making this course practical, engaging, and result-driven.

Who this course is for:

  • Who want to start their career in SDET role
  • Who want to be a pro in API Testing along with Design Patterns
  • Those who want to kick start their API journey
  • Manual testers looking to switch to API automation
  • Anyone who wants hands-on experience in Postman, Rest Assured, Git, Jenkins & Java
  • QA Engineers ready to implement real-world API automation frameworks
  • SDETs preparing for interviews in top product companies