Why API testing is critical for today’s Business applications
                     Why API testing 
is critical for 
today’s Business 
applications?
API Testing
APIs are essential for creating an effective and connected experience for customers and 
thus businesses are beginning to realize their value. Understanding the depth of its role with 
respect to applications, hence the importance of API testing has come into place.
This specific testing involves testing of the application interfaces directly as part of the 
integration testing to determine if the application perfectly meets the expectations for 
functionality, performance, reliability and security.
What Does API Testing
Revolve Around?
To ensure the APIs work as expected
To specify and ensure the application can handle the desired load
To establish the APIs work seamlessly through the operating systems and devices
To ensure the data that passes through the API is in lieu of compliance & security
To make sure all the business rules have been correctly implemented at the API level
To enable a better user experience
To ensure easier expansion of applications
To make sure the API provides the required functionality
How is API Testing Done?
Combine Data Set up
with API Tests the Environment
Make Define
an API Call the Test Plan
Are these API’s Really Business Critical;
How does API Testing Play a Key Role?
The interface is the heart of any application and if the product interface is not good enough, 
then it shows an adverse effect on its viability. It is a known fact that applications are getting 
more complex due to the varying end-user needs and in order to meet them, the API’s have 
become vital tools for businesses across every industry segment. Hence, it necessitates the 
need for an effective API testing at first hand.
Moreover, there is a significant chance that the API’s can be hacked. It is also unfortunate that 
whenever resources are exposed to the internet, it is likely to be attacked in some way or the 
other. Hence integration testing and API security testing is critical for all businesses today.
Undoubtedly Robust API Testing
is the Future; But WHY?
It tests the API’s for their capabilities to integrate, stand out to expected 
functionalities, equally weigh aptly for performance parameters and meet up 
the security standards
It helps to verify code, discover the defects at an early stage and evaluate 
any unwanted code
This testing exposes coding issues that either manual or automated tests might miss
Its superiority is that it is far less time consuming than functional GUI testing
This aptly tests the core of your product’s functionality and it is the truth that 
functionality typically determines the end user’s expectations
With API’s, integration of tools or programs can happen at any point of time to 
enhance the experience and functionalities of the software
API testing is indispensable and test automation is leveraged currently to make 
the testing process faster and error-free
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