
Today we will learn
1. What is a web service
2. Basic concept behind web services
3. Why we use it
What is a Web Service:
Web Service - service available over the web
- enables communication between applications over the web
- provides a standard protocol/format for communication
Why we use it:
- platform independent communication
- using web services two different applications (implementation) can talk to each other and exchange data/information
Today we will learn
1. Basic concepts of working of web services
2. Client Server model
3. Types of WS - SOAP and REST (overview)
Today we will learn
1. Components of Web Services : WSDL and UDDI
Today we will learn:
1. What is a Soap Web Service
2. Soap Web Services Specifications/Components
Today we will learn:
1. What is REST
2. Basic architecture of REST
3. What are RESTful Web Service
4. Constraints of REST - Uniform Interface
Today we will learn:
Principles of REST
A. Uniform Interface
1. Resource
2. URI
3. HTTP
B. Stateless
C. Cacheable
D. Layered System
E. Code-On-Demand
Welcome to “Web Services API – Step by Step Beginner Tutorial”, a complete hands-on course designed for absolute beginners who want to understand and work confidently with APIs.
If you are a complete beginner and know nothing about web services, this course is for you.
In today’s tech world, APIs are everywhere — from mobile apps to web platforms. This course will help you learn what web services are, how APIs work, and how to test them effectively. You’ll start with the basics of REST and SOAP, understand key concepts like HTTP methods, status codes, headers, and payloads, and gradually move to real-world API testing.
You’ll learn step by step using free tools like Postman and SoapUI, with practical demos and exercises. No coding background is required — just curiosity and a willingness to learn.
By the end of this course, you’ll be able to:
Understand how web services work
Test REST and SOAP APIs confidently
Read and work with API documentation
Perform real API calls and analyze responses
Whether you're a manual tester, student, or beginner in automation, this course gives you a strong foundation to build your API testing skills and grow your career in QA and development.
Start your API learning journey today
I have designed this course in a very step by step manner so you get all the understanding at a basic level.
Let's Get Started