The document provides an overview of API testing, detailing the definition of an API and its functionality, especially focusing on REST APIs and their common HTTP methods (GET, POST, PUT, DELETE). It emphasizes the importance of API testing for ensuring functionality, load handling, and bug-free deployment while mentioning tools like Postman and SoapUI. Additionally, it outlines how to automate API testing using Postman through calls, simple tests, and scheduling.

1. APITesting
Manual and Automation

2. What is an API

3. It is a set of functions or
procedures used by
computer programs to
access operating system
services, software libraries or
other systems.
API – Application Programming Interface

4. Example of APIWorkflow

5. •It is the set of functions to
which the developers
perform requests and
receive responses.
•In REST API interaction is
made via HTTP protocol.
REST – Representational StateTransfer
REST API

6. HTTP Methods
• GET – Provides a read only access to a resource.
• POST – Use to update an existing or create a new resource.
• PUT – Use to create a new resource.
• DELETE – Use to remove a resource.
4 Commonly Used Methods:

7. APITesting
• Focus on Functionality;
not on behavior or customer experience.

8. Why APITesting!!!!
Some reasons that we need to do API testing:
• Make sure it does what it suppose to do.
• Make sure it can handle the load
• Find all the way users can mess things up
• Bug Free Deployment

9. Tools to used for APITesting
Postman SoapUI REST-assured

10. Postman

11. GET Method
Response
{
"id": "81901",
"employee_name": "141567018168",
"employee_salary": "123",
"employee_age": "23",
"profile_image": ""
}
Request
http://dummy.restapiexa
mple.com/api/v1/employ
ee/81901

12. POST Method
Response
{
"name": "Training session",
"salary": "123",
"age": "23",
"id": "86399"
}
Request
http://dummy.restapiexa
mple.com/api/v1/create
{"name":"test","salary":"1
23","age":"23"}

13. PUT Method
Response
{
"name": "Training session",
"salary": "123",
"age": "35",
"id": "86399"
}
Request
http://dummy.restapiexample.
com/api/v1/update/86399
{"name":“Training session
","salary":"123","age":“35"
}

14. DELETE Method
Response
{
"success": {
"text": "successfully! deleted
Records"
}
}
Request
http://dummy.restapiexample.
com/api/v1/delete/82155

15. API
AutomationTesting

16. How Does Postman work in automate API
testing
•Make a Call.
•Make a SimpleTest
•Schedule(Monitor)

17. Make A Call

18. Make A SimpleTest
•Pre Script
•Post Script

19. Schedule(Monitor)