The Types Of API Testing: You Must Know

API (Application programming interface) testing is a very important and inclusive task. It doesn’t only include some activities of testing but also it works with different types of cases. To run a program the testing is required in every stage. The API testing is very cheaper than automated UI testing or manual e2e testing as we can build much-grained component tests which we don’t have to repeat every often like are our end scenarios. There are various types of API testing that includes and they work at the various stages of software such as unit testing and integration testing which works at the development stage, performance and load testing that works at the early stages, runtime error detection, and security testing, interoperability, and fuzz 

testing, validation testing. There are many advantages of API testing including interface independence, easy integration, security, cost efficiency, swift feedback, and early testing.

Integration testing:

APIs are the composite thing that is not a separated component of a system. The API mainly perform their work to integrate all the volatile part of a system. The integration of a system needs proper testing of a course.  

Unit testing:

A better unit testing is a foundation of a system and the aspect of it will 

be well thought. At the time of unit testing, it includes the written things close to the code and they should pass in case of running a build of the application. The code coverage of the unit testing depends upon the risk the API carries and what types of functionalities the API holds.  

Load testing:

The main motto of the load testing becomes emulating production such as traffic instead of creating spikes in traffic we want to emulate a constant steady stream of traffic at a certain rate. The load testing is very urgent for checking whether API contains Memory leaks or not. There are some common defects that cause a few issues after running a long time. Load testing is needed when the API is run for a long time and for having surveillance, load testing plays a role.  

Performance testing:

There is the tendency of avoiding performance testing but it can cause also problems most of the time as it is non-functional. Performance testing covers everything of the like spikes in traffic and multiple heavy processes when it is running. Performance testing is very similar to load testing. 

Runtime error detection:

This is very useful at the time of tests; it is better to make sure that runtime detection is enabled. if the runtime detection is enabled, it will allow the APIs to report back if any defects are found.  

Security testing:

Based on the risk analysis, we need to make sure appropriate security testing. The professionals should perform this testing because this testing is very crucial. The developers should in essence be in a security test at the time API test.

Validation Testing

Validating testing focuses on the things that the software meets the business requirements. The tester checks whether the results match what is expected and required by the test plan.   

To get the highest possible outcome from the API, Frequent testing of API is needed. 

As in the modern era, the communication between the devices and apps are performed by API, then API testing makes this task successful enough.

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