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Saurabh Dhingra

API is an acronym for Application Programming Interface.

In software application (app) development, API is the middle layer also known as logic layer or backend layer and lies between the front-end (UI) and the database layer.

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API is an acronym for Application Programming Interface.

In software application (app) development, API is the middle layer also known as logic layer or backend layer and lies between the front-end (UI) and the database layer.

APIs enable communication and data exchange from one software system to another.

API testing is a software testing practice that tests the APIs directly — from their functionality, reliability, performance, to security.

In this project, we will practice the API testing of a real web application using the Postman tool covering scenarios like creating, updating, retrieving resources, and also the authorization flow using OAuth 2.0 flow

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What's inside

Syllabus

Project Overview
API is an acronym for Application Programming Interface. In software application (app) development, API is the middle layer also known as logic layer or backend layer and lies between the front-end (UI) and the database layer. APIs enable communication and data exchange from one software system to another. API testing is a software testing practice that tests the APIs directly — from their functionality, reliability, performance, to security. In this project, we will practice the API testing of a real web application using the Postman tool covering scenarios like creating, updating, retrieving resources, and also the authorization flow using OAuth 2.0 flow

Good to know

Know what's good
, what to watch for
, and possible dealbreakers
Examines a fundamental concept, API, which is standard in software development
Introduces a practical approach to testing APIs, covering real-world scenarios
Provides hands-on experience using the Postman tool, widely adopted in the industry
Covers OAuth 2.0 flow, an essential aspect of API authentication
Emphasizes the importance of API testing in ensuring software reliability and security

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Activities

Be better prepared before your course. Deepen your understanding during and after it. Supplement your coursework and achieve mastery of the topics covered in API Testing a real web application via Postman with these activities:
Review API Fundamentals
Understand the basic concepts of API and their role in software development.
Browse courses on API
Show steps
  • Read introductory articles or blog posts on APIs.
  • Revisit class materials on API concepts.
Organize and Review Course Materials
Enhance retention and understanding by organizing and reviewing notes, assignments, and quizzes.
Show steps
  • Create a structured system for organizing materials.
  • Review materials regularly to reinforce concepts.
Build a Simple API Client
Gain hands-on experience by building a basic API client using a tool like Postman.
Show steps
  • Choose an API to integrate with.
  • Set up Postman and configure API credentials.
  • Create requests and test API endpoints.
Four other activities
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Show all seven activities
API Testing Study Group
Collaborate with peers to discuss API testing strategies, share knowledge, and troubleshoot challenges.
Browse courses on API Testing
Show steps
  • Form a study group with classmates.
  • Meet regularly to discuss API testing topics.
  • Share resources, articles, and best practices.
Tutor Junior or Beginner API Testers
Strengthen understanding and reinforce skills by mentoring others in API testing concepts.
Browse courses on API Testing
Show steps
  • Identify individuals who are new to API testing.
  • Offer guidance and support through one-on-one sessions.
API Testing Exercises
Improve understanding of API testing techniques through targeted practice exercises.
Browse courses on API Testing
Show steps
  • Solve online coding challenges related to API testing.
  • Participate in API testing hackathons or competitions.
API Security Exercises
Identify and mitigate API security vulnerabilities through targeted practice exercises.
Browse courses on API Security
Show steps
  • Learn about common API security threats.
  • Practice using security testing tools to identify vulnerabilities.

Career center

Learners who complete API Testing a real web application via Postman will develop knowledge and skills that may be useful to these careers:
API Developer
An API Developer designs, builds, tests, and maintains APIs that allow different software applications to communicate with each other. This course teaches the fundamentals of API testing, making it a valuable resource for anyone looking to enter or advance their career as an API Developer. The course covers topics such as API functionality, reliability, performance, and security, which are all essential to the successful development and maintenance of APIs.
Software Engineer
A Software Engineer designs, develops, and tests software applications. This course teaches the fundamentals of API testing, which is an essential skill for Software Engineers who want to ensure that the software they develop is able to communicate effectively with other applications. The course covers topics such as API functionality, reliability, performance, and security, which are all essential to the successful development and testing of software applications.
Quality Assurance Analyst
A Quality Assurance Analyst tests software applications to ensure that they meet the required quality standards. This course teaches the fundamentals of API testing, which is an essential skill for Quality Assurance Analysts who want to ensure that the software they test is able to communicate effectively with other applications. The course covers topics such as API functionality, reliability, performance, and security, which are all essential to the successful testing of software applications.
Technical Architect
A Technical Architect designs and implements the technical architecture of an organization's IT systems. This course teaches the fundamentals of API testing, which is an essential skill for Technical Architects who want to ensure that the IT systems they design are able to communicate effectively with each other. The course covers topics such as API functionality, reliability, performance, and security, which are all essential to the successful design and implementation of IT systems.
Product Manager
A Product Manager is responsible for the development and launch of new products. This course teaches the fundamentals of API testing, which is an essential skill for Product Managers who want to ensure that the products they develop are able to communicate effectively with other applications. The course covers topics such as API functionality, reliability, performance, and security, which are all essential to the successful development and launch of new products.
Business Analyst
A Business Analyst gathers and analyzes business requirements to develop solutions that meet the needs of the business. This course teaches the fundamentals of API testing, which is an essential skill for Business Analysts who want to ensure that the solutions they develop are able to communicate effectively with other applications. The course covers topics such as API functionality, reliability, performance, and security, which are all essential to the successful development of business solutions.
IT Consultant
An IT Consultant provides advice and guidance to organizations on how to use technology to improve their business operations. This course teaches the fundamentals of API testing, which is an essential skill for IT Consultants who want to ensure that the technology solutions they recommend are able to communicate effectively with other applications. The course covers topics such as API functionality, reliability, performance, and security, which are all essential to the successful implementation of technology solutions.
Data Analyst
A Data Analyst analyzes data to identify trends and patterns that can help organizations make better decisions. This course teaches the fundamentals of API testing, which is an essential skill for Data Analysts who want to ensure that the data they analyze is accurate and reliable. The course covers topics such as API functionality, reliability, performance, and security, which are all essential to the successful analysis of data.
Database Administrator
A Database Administrator is responsible for the maintenance and administration of databases. This course teaches the fundamentals of API testing, which is an essential skill for Database Administrators who want to ensure that the databases they manage are able to communicate effectively with other applications. The course covers topics such as API functionality, reliability, performance, and security, which are all essential to the successful maintenance and administration of databases.
Network Engineer
A Network Engineer designs and maintains computer networks. This course teaches the fundamentals of API testing, which is an essential skill for Network Engineers who want to ensure that the networks they design are able to communicate effectively with other networks. The course covers topics such as API functionality, reliability, performance, and security, which are all essential to the successful design and maintenance of computer networks.
Security Analyst
A Security Analyst protects an organization's computer systems from security threats. This course teaches the fundamentals of API testing, which is an essential skill for Security Analysts who want to ensure that the security systems they implement are able to communicate effectively with other security systems. The course covers topics such as API functionality, reliability, performance, and security, which are all essential to the successful implementation of security systems.
Web Developer
A Web Developer designs and develops websites. This course teaches the fundamentals of API testing, which is an essential skill for Web Developers who want to ensure that the websites they develop are able to communicate effectively with other websites. The course covers topics such as API functionality, reliability, performance, and security, which are all essential to the successful development and launch of websites.
Project Manager
A Project Manager plans and executes projects. This course teaches the fundamentals of API testing, which is an essential skill for Project Managers who want to ensure that the projects they manage are able to communicate effectively with other projects. The course covers topics such as API functionality, reliability, performance, and security, which are all essential to the successful planning and execution of projects.
Marketing Manager
A Marketing Manager plans and executes marketing campaigns. This course teaches the fundamentals of API testing, which is an essential skill for Marketing Managers who want to ensure that the marketing campaigns they plan and execute are able to communicate effectively with the target audience. The course covers topics such as API functionality, reliability, performance, and security, which are all essential to the successful planning and execution of marketing campaigns.
Salesforce Administrator
A Salesforce Administrator manages and maintains Salesforce software. This course teaches the fundamentals of API testing, which is an essential skill for Salesforce Administrators who want to ensure that the Salesforce software they manage is able to communicate effectively with other software. The course covers topics such as API functionality, reliability, performance, and security, which are all essential to the successful management and maintenance of Salesforce software.

Reading list

We've selected six 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 API Testing a real web application via Postman.
Provides a comprehensive guide to API testing. It covers topics such as API design, test planning, and test execution. This book good resource for anyone looking to learn more about API testing.
Provides a beginner-friendly guide to API testing using Postman. It covers topics such as API design, testing techniques, and performance testing.
Provides a comprehensive guide to API testing using SoapUI. It covers topics such as API design, testing techniques, and performance testing.
Provides a practical guide to writing clean code. It covers topics such as code design, development, and testing. This book good resource for anyone looking to learn more about writing clean code.
Provides a comprehensive guide to API testing. It covers topics such as API design, testing techniques, and performance testing.

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