REST API Development: Build, Test, Troubleshoot

Learn How to Build, Configure, Test and Debug REST APIs Using Practical Examples

REST APIs are the backbone of modern web applications and services. In this course, you will learn how to design, develop, test, and troubleshoot REST APIs step-by-step using practical tools and real-world examples.

Starting from the fundamentals of HTTP and JSON, you will build a fully functional REST API, understand how different HTTP methods work, and learn how to test your API using Postman.

What You Will Learn

• The fundamentals of HTTP and REST API architecture
• How REST APIs communicate using JSON
• How to configure and create a REST API project
• Building models and controllers for API endpoints
• Understanding GET, POST, PUT, DELETE, and PATCH methods
• Creating custom routes and filtering API results
• Preventing duplicate records in POST operations
• Testing APIs using Postman
• Automating API tests and using variables in Postman
• Troubleshooting common REST API issues

Course Sections

• Course Expectations and Overview
• Downloading and Installing the Desktop Software
• REST API Fundamentals
• HTTP and JSON Foundations
• Building API Models and Controllers
• GET, POST, PUT, PATCH, and DELETE Methods
• Database Integration
• Advanced API Filtering and Business Rules
• REST API Testing with Postman
• Automated API Testing
• Troubleshooting and Debugging APIs