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TechLink Selenium | DevOps | GenAI

Our Industry Experts have more experience in working with Backend Testing and will ensure that you get trained and become experts in Rest Assured API Testing Automation & REST Assured API Test Framework Design.

You would be able to Design the API Testing Framework and pro in API Testing.

Understanding of Complete API Testing and API Testing Terminology.

How to Use PostMan and Complete Knowledge of API Calling and Response Handling.

Why this course? 

REST Assured API is a powerful API released by Google (just like Selenium for Web)  to Automate REST API.  

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Our Industry Experts have more experience in working with Backend Testing and will ensure that you get trained and become experts in Rest Assured API Testing Automation & REST Assured API Test Framework Design.

You would be able to Design the API Testing Framework and pro in API Testing.

Understanding of Complete API Testing and API Testing Terminology.

How to Use PostMan and Complete Knowledge of API Calling and Response Handling.

Why this course? 

REST Assured API is a powerful API released by Google (just like Selenium for Web)  to Automate REST API.  

In the 21st century, almost all web applications use web services to communicate or interact with each other. Most modern-day web services are built on Representational state transfer (REST) architecture; REST has gained a lot of popularity. It will continue to do the same due to its simplicity compared to other technologies.

90%of the IT industry now heading towards this API for automating Services Learn Everything You Need to Know About REST API Automation Even If You've Never worked Before on this domain.   

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.

On course completion, You will have Mastered

 We start from the Beginners' level and go through the Advanced This is a single course for everything you need to know related to Rest API Manual testing and Automation.

This course explains :

  • What are API and web services

  • REST and SOAP Base API Testing

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What's inside

Learning objectives

  • By end of this course, you will get complete knowledge on rest assured api automation testing.
  • Creating rest api testing framework from scratch with maven and testng.
  • Thorough knowledge on rest assured manual testing tools like postman with many practise api's demo
  • In-depth understanding of rest api automation using restassured with real time examples
  • You will understand how to generate neat api testing automation execution reports.

Syllabus

Introduction
REST API Testing Course: Introduction
Start REST API Course: RoadMap
Environment SetUp
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Career center

Learners who complete Rest API Testing (Automation) : Rest Assured PostMan will develop knowledge and skills that may be useful to these careers:
Quality Assurance Engineer Automation
This course is a direct pathway to becoming a highly competent Quality Assurance Engineer Automation. This role involves designing and implementing automated tests to ensure software quality, with a strong focus on backend services. The program comprehensively covers Rest Assured API Automation Testing, including setting up frameworks from scratch using Maven and TestNG with Java. You will gain in-depth understanding of REST API automation using RestAssured with real-time examples, along with proficiency in Postman for both manual testing and script implementation. Mastering API calling, response handling, and generating execution reports, as taught, directly prepares you for success in creating robust, efficient automation solutions.
Software Development Engineer in Test
A Software Development Engineer In Test, or SDET, is a crucial role that combines development expertise with a strong focus on quality assurance, particularly in building automated testing frameworks. This course is exceptionally well-suited for aspiring SDETs. It provides granular instruction on creating REST API testing frameworks from scratch using Java, Maven, and TestNG. Learners will develop a thorough understanding of REST API automation with Rest Assured and practical skills in Postman for API testing. This comprehensive training on framework design, API terminology, and automation will empower you to build scalable and maintainable test infrastructure, a core responsibility of an SDET.
Test Lead
Becoming a Test Lead requires a blend of technical expertise and strategic thinking to guide testing initiatives and teams. This course offers foundational and advanced knowledge vital for this leadership role. You will gain comprehensive insights into REST API automation testing, learning to create robust frameworks from scratch using Java, Maven, and TestNG. This hands-on experience, coupled with an in-depth understanding of API testing terminology and Postman for manual verification, equips a Test Lead to define effective automation strategies, mentor team members, and oversee the successful implementation of API testing practices.
Integration Engineer
An Integration Engineer specializes in connecting various software systems and ensuring their seamless communication, often through Application Programming Interfaces. This course is highly relevant for this career path, providing you with a deep understanding of REST API principles, HTTP methods, and crucial skills in handling API calls and responses. Proficiency in Postman for manual testing and automated validation with Rest Assured, as taught, is essential for an Integration Engineer to rigorously verify connections. The ability to design and implement API testing frameworks using Java, Maven, and TestNG will enable you to build reliable and robust integration solutions.
DevOps Engineer
A DevOps Engineer streamlines the software development lifecycle, emphasizing automation, continuous integration, and continuous delivery. Automated API testing, a central theme of this course, is indispensable for building robust CI/CD pipelines. You will master creating REST API testing frameworks with Java, Maven, and TestNG, integrating them into the development workflow to ensure quick feedback and high-quality releases. The course's focus on Rest Assured for automation and Postman for API interaction provides practical skills that may be highly useful for a DevOps Engineer in implementing automated quality gates and improving system reliability.
Release Engineer
A Release Engineer plays a critical role in managing the deployment pipeline, ensuring that software releases are stable, reliable, and meet quality standards. The automation testing skills derived from this course are highly relevant for a Release Engineer. Mastering REST API automation with Rest Assured, Java, Maven, and TestNG allows for the implementation of automated quality gates within the release process. This helps to identify and mitigate issues early, ensuring that only thoroughly tested and validated backend services are deployed, thereby enhancing the overall stability and success of software releases.
Application Programming Interface Developer
An Application Programming Interface Developer designs, builds, and maintains the interfaces that allow different software systems to communicate. While this course focuses on testing, a deep practical understanding of how APIs are consumed and rigorously validated is invaluable for developing robust, user-friendly APIs. The program's coverage of REST API terminology, HTTP methods, client-server architecture, and request response handling, along with Java programming fundamentals, will help an API Developer create well-structured and testable interfaces, anticipating how they will be used and verified by others. This perspective leads to higher quality API design.
Software Engineer
As a Software Engineer, you are involved in designing, developing, and maintaining software applications. This course provides a strong foundation in core programming concepts through Java, including Object Oriented Programming, data structures, and exception handling, which are broadly applicable across software development. Furthermore, the in-depth understanding of REST API architecture, web services, and practical experience with tools like Postman and Rest Assured for quality assurance may be very helpful for a Software Engineer in building and testing robust, interconnected systems. This course can enhance your ability to contribute to various stages of the software development lifecycle.
Full-Stack Developer
A Full Stack Developer possesses the skills to work on both the front-end user interface and the back-end server logic, including APIs. This course directly enhances the backend proficiency required for this role. With detailed instruction on Java programming, object-oriented concepts, and the intricacies of REST API design and testing, you will gain the ability to build and thoroughly validate the API layer that enables communication between front-end and backend components. This holistic understanding of API interaction and quality assurance ensures that a Full Stack Developer can deliver robust and reliable applications.
Backend Developer
A Backend Developer is responsible for the server-side logic, databases, and APIs that power applications. This course offers significant value by providing a comprehensive understanding of REST API principles, HTTP methods, and client-server architecture, which are fundamental to backend development. The Java programming foundation, including Object Oriented Programming concepts and collections, is directly applicable. Furthermore, the practical experience with API testing using Postman and building automation frameworks with Rest Assured will help a Backend Developer create more robust, testable, and high-quality APIs from the outset, anticipating how they will be consumed and validated.
Site Reliability Engineer
A Site Reliability Engineer focuses on the availability, latency, performance, and monitoring of systems. Understanding how to rigorously test APIs, as covered in this course, may be very helpful for an SRE. The program provides knowledge of REST API architecture, HTTP methods, and the ability to design automation frameworks. This expertise allows SREs to proactively identify potential issues, validate service health, and ensure the stability and reliability of critical backend services through automated checks, contributing to a more resilient system architecture and preventing outages.
Technical Consultant
A Technical Consultant advises clients on implementing and optimizing technology solutions, often involving complex system integrations and API strategies. While the course focuses on practical testing, the comprehensive understanding of REST API principles, HTTP communication, and hands-on experience with tools like Postman and Rest Assured automation may be useful. This knowledge allows a Technical Consultant to accurately assess API quality, recommend effective testing strategies, and confidently guide clients through the challenges of integrating and validating web services, ensuring proposed solutions are robust and reliable.
Solutions Architect
A Solutions Architect designs the high level components and interactions of an IT solution, including how different systems communicate via APIs. This course provides a detailed understanding of REST API principles, HTTP methods, and client server architecture. This knowledge may be helpful for a Solutions Architect when designing scalable, maintainable, and secure architectures that rely heavily on API integrations. While this role typically requires an advanced degree for example a Master's or PhD and extensive experience, insights from API testing ensure that proposed designs are robust and inherently testable, contributing to overall system quality.
Data Engineer
A Data Engineer is responsible for designing, building, and maintaining robust data pipelines, often involving the ingestion and processing of data from various sources, including APIs. This course provides a fundamental understanding of API interaction, HTTP methods, and precise handling of requests and responses which may be useful. The Java programming skills, including collections and exception handling, are directly applicable to writing code for API consumption. This course can enhance a Data Engineer's ability to effectively interact with, validate, and integrate data from diverse API endpoints into their data systems.
System Analyst
A System Analyst bridges business requirements with technical solutions, often involving the design and integration of various systems. This course provides an in-depth understanding of REST API architecture, HTTP communication, and how APIs are tested and validated, which may be useful. This technical insight allows a System Analyst to better articulate and define requirements for API driven features, understand potential integration challenges, and contribute more effectively to designing systems that are both functional and robust. It helps bridge the gap between abstract requirements and their technical implementation details.

Reading list

We've selected 50 books that we think will supplement your learning. Use these to develop background knowledge, enrich your coursework, and gain a deeper understanding of the topics covered in Rest API Testing (Automation) : Rest Assured PostMan.
Considered a must-read for any serious Java programmer, this book provides invaluable advice on writing robust, efficient, and well-designed code. It delves into best practices, common pitfalls, and advanced topics. It is highly recommended for intermediate to advanced programmers and professionals looking to deepen their understanding and improve their coding style.
While not exclusively a Java book, 'Clean Code' is highly recommended for Java developers. It focuses on the principles and practices of writing readable, maintainable, and testable code. is crucial for anyone looking to improve their software craftsmanship, regardless of experience level. It complements technical Java knowledge with essential coding standards.
Published in 2024, this book provides a comprehensive and up-to-date guide to Apache Maven, covering everything from basics to advanced topics like plugins, dependency management, and integration with CI/CD. It's suitable for both beginners and experienced developers looking to deepen their understanding and apply Maven effectively in modern development workflows. strong candidate for a current reference or textbook.
Is considered a foundational text on TestNG, co-authored by its creator. It provides a comprehensive introduction to the framework, covering its goals, features, and how it overcomes limitations of older frameworks like JUnit. It's highly valuable for gaining a broad understanding and useful reference for various TestNG concepts and advanced techniques. This book is often recommended for those looking to solidify their understanding of the core principles behind TestNG.
Is the definitive guide to writing correct and efficient multithreaded Java applications. Concurrency complex topic, and this book provides the necessary knowledge and patterns to handle it effectively. It's essential reading for graduate students and working professionals dealing with concurrent programming.
Delves into designing data-driven test frameworks using TestNG in conjunction with Selenium WebDriver and AppiumDriver. It's highly relevant for those interested in automation framework design, a key theme in the provided course titles. It covers using TestNG for data-driven testing, page object patterns, and building scalable test automation solutions. This valuable resource for deepening understanding in a practical context.
Cornerstone for understanding microservices architecture, a prevalent pattern in modern web services. It covers the principles, benefits, and challenges of designing and implementing microservices. The second edition comprehensive rewrite covering the latest practices.
This seminal work provides a catalog of refactorings to improve the design of existing code. It explains how to identify code smells and apply techniques to make code more understandable and maintainable. is essential for developers who work with existing Java codebases and want to improve their design.
This hands-on guide specifically addresses dependency management in Maven, a crucial aspect of project management. It takes a tutorial-based approach, progressing from basic to advanced concepts. is highly relevant for developers who need to master managing project dependencies effectively with Maven.
Provides a comprehensive overview of API testing, covering topics such as test design, execution, and automation. It is written by a leading expert in API testing and is considered one of the best books on the subject.
Delves into the various patterns for building and deploying microservices. While the examples are in Java, the patterns and concepts are applicable across different technologies. It's highly valuable for deepening understanding of common solutions in microservices architecture.
Provides a comprehensive guide to using Selenium and WebDriver for testing web applications. It covers all aspects of Selenium and WebDriver, from installation and setup to writing and executing tests.
This cookbook offers practical, hands-on recipes for tackling various Maven tasks and real-world scenarios, including multi-module builds and best practices. It's a great resource for developers looking for solutions to specific problems and gaining practical experience with Maven's features and plugins. is valuable as a reference tool for common configurations and tasks.
For those interested in enterprise Java development, this book is an essential guide to the Spring framework. Spring is widely used for building Java applications, and this book covers its core features and best practices. It is valuable for undergraduate students and professionals focusing on enterprise Java.
Kubernetes leading platform for orchestrating containerized applications, including microservices and web services. provides a comprehensive guide to using Kubernetes for deploying, managing, and scaling applications.
Introduces fundamental design patterns in a highly engaging and easy-to-understand manner. While not solely focused on Java, it uses Java examples extensively. Understanding design patterns is vital for writing well-structured and maintainable Java applications, making this book valuable for students and professionals.
A practical guide offering numerous recipes for designing and implementing RESTful web services. is excellent for deepening understanding through hands-on examples and solutions to common problems in building scalable and reliable services.
Is designed for beginners with some knowledge of Java and potentially Selenium WebDriver. It focuses on the practical aspects of getting started with TestNG, explaining how test frameworks facilitate automation. It covers fundamental concepts such as installation, dependency testing, data-driven testing, cross-browser testing, annotations, and assertions. This book is excellent for those new to TestNG and looking for a hands-on introduction.
While not a Java-specific book, this is highly relevant for Java developers building large-scale, distributed systems. It covers fundamental concepts in data systems, which are crucial for designing robust Java applications in a professional setting.
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Focuses on designing APIs from the perspective of the developer who will be using them. It covers the entire API lifecycle, emphasizing usability and developer experience. It's highly relevant for anyone wanting to create APIs that are not only functional but also easy to understand and integrate with.
Provides practical guidance on designing effective and user-friendly web APIs. It covers various aspects of API design, including REST, and is valuable for anyone involved in creating APIs that will be consumed by other developers.
Serves as a practical, hands-on guide for beginners to learn and understand the different features of TestNG. It covers basic configuration, test suites, annotations, and data-driven testing. It's a good starting point for those new to TestNG and looking for a step-by-step approach.
A follow-up to 'RESTful Web Services', this book delves deeper into building evolvable and robust RESTful systems, with a focus on applying the principles in a more dynamic environment. It's good for those looking to advance their REST knowledge.
Provides a comprehensive guide to testing Vue.js applications. It covers all aspects of Vue.js testing, from unit testing to end-to-end testing.
Is known for its comprehensive coverage and clear explanations of Java concepts, emphasizing the 'why' behind the language features. It's a strong resource for intermediate and advanced learners seeking a deeper understanding of Java and object-oriented programming.
A comprehensive introduction to Java programming, this book covers the basics thoroughly, from writing and compiling code to understanding keywords and syntax. It's suitable for beginners and can serve as a good reference for fundamental concepts. The latest editions are updated to cover newer Java versions.
Provides a solid theoretical and practical foundation in data structures and algorithms using Java. It's a standard textbook in many university computer science programs and is crucial for understanding the efficiency and design of programs. Essential for undergraduate and graduate students.
Another foundational book for software developers, this provides timeless advice on a wide range of topics, including development methodologies, personal responsibility, and career development. While not Java-specific, its principles are highly relevant and beneficial for any Java programmer seeking to improve their overall development skills.
Provides a comprehensive guide to testing Angular applications. It covers all aspects of Angular testing, from unit testing to end-to-end testing.
Serves as a quick-start tutorial for beginners to understand the core concepts of Maven, including dependency management and project structure. It's ideal for those new to build automation and Maven, providing a gentle introduction to get started with basic Maven projects. This book is most helpful for providing foundational knowledge.
This resource, potentially a video course or book, aims to take learners from beginner to expert in Apache Maven. It likely covers a wide range of topics from installation and basic concepts to more advanced usage. It would be helpful for a structured learning path for individuals or as a supplementary resource for a course.
Introduces the principles of Test-Driven Development (TDD) using simple examples. While the examples are not exclusively in Java, the concepts are directly applicable to Java development. TDD fundamental practice for writing robust and maintainable code, making this book valuable for all levels.
Likely focuses on best practices and effective strategies for using Maven. It would be beneficial for developers looking to optimize their Maven usage and avoid common pitfalls. It can serve as a guide for improving productivity and build efficiency.
Explores the functional programming features introduced in Java 8, such as lambda expressions and streams. It helps developers write more concise and expressive code. This is particularly relevant for those looking to leverage modern Java language features.
Another key book by Sam Newman, this delves deeper into the organizational and technological aspects of microservices architecture. Given the close relationship between microservices and RESTful APIs, this book provides essential context for architects and senior developers.
This classic book on software testing provides a comprehensive overview of the field, including chapters on test automation. It great resource for anyone looking to learn more about the theory and practice of software testing.
Provides a comprehensive guide to API security testing using OWASP ZAP. It covers topics such as OWASP Top 10, scanning techniques, and security testing tools.
Focuses on mobile API testing using REST Assured. It covers topics such as device emulation, network simulation, and security testing, making it a valuable resource for testers who want to test mobile APIs effectively.
Provides a comprehensive guide to testing mobile applications. It covers all aspects of mobile app testing, from planning and preparation to execution and reporting.
This classic book on object-oriented analysis and design principles. While it uses C++ examples, the concepts are universally applicable to Java development. It provides a deep understanding of how to design complex software systems, valuable for advanced students and architects.
Covers the entire API lifecycle and presents 44 API design patterns. It provides a structured approach to designing evolvable and high-quality APIs, discussing context, pros and cons, and concrete examples for each pattern. It's a valuable resource for understanding established design solutions beyond basic REST principles.
While focusing on unit testing and Mockito, this book provides practical guidance on implementing a unit testing strategy in Java projects using TestNG. It covers essential techniques for writing high-quality unit tests, including mocking and parameterized tests. is useful for understanding how TestNG fits into a broader testing strategy and for deepening understanding of unit testing practices.
This rulebook focuses on best practices for designing and documenting RESTful APIs, covering the principles of REST and how to create a standardized design. It's a concise guide that explains the rationale behind design choices.
While not exclusively about web services, this book classic in software design and highly relevant to designing effective microservices by focusing on the business domain. Understanding DDD principles is crucial for defining service boundaries in complex systems.
Offers an in-depth introduction to designing REST APIs, starting with how APIs work and using examples to illustrate concepts. It emphasizes practices and tools for designing, sharing, prototyping, generating, and documenting APIs. It's a strong resource for beginners seeking a comprehensive understanding of API design from scratch.
Building on the concepts introduced in 'The Phoenix Project', this handbook provides a detailed guide to implementing DevOps practices. This is highly relevant for ensuring the smooth operation and continuous delivery of web services.
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GraphQL is an alternative to REST for building APIs. provides an introduction to GraphQL, covering its concepts and how to use it for data fetching in modern web applications. It's relevant for understanding contemporary API approaches.
Another book from the API-University Series by Matthias Biehl, this one specifically focuses on best practices for designing REST APIs. It complements 'The REST API Design Handbook' by providing more in-depth coverage of design considerations.

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