From QA Guideline, we will come to know about the importance of APIs and that we should not be forgotten while we are doing API testings. In this, we are going to cover how to do API testing or the Back-End side from a QA perspective. The testers believe that the main part of the SDLC is API testing.
API testing can be complicated and this is one of the most challenging parts of testing in the software testing process. This type of testing is based on some protocols and standards that testers do not always encounter in other kinds of testing.

API Testing
API is also called Application Programming Interface, which is a way for two applications of software to communicate and exchange data with each other.

Importance of APIs
API is totally a time saver testing process and provides an enormous level of accessibility in many several ways. For example, if you are a Facebook user then you have the ability to sign in to any other application or any website simply using its Facebook id. This whole process relies on the Facebook APIs to work. APIs are not just important for personal use but its equally important for the B2B world as well.

Which tool to use?
A great user-friendly, highly capable platform and for this purpose the right choice for us is Postman.

The Anatomy of an Endpoint
Let’s understand what is HTTPS://{host}/{endpoint}
For example, https://your.website.net/api/user/ can be further explained as follows:

HTTP:// - It stands for Hypertext Transfer Protocol Secure and it’s a protocol
your.website.net/ - It is the back-end link and its a URL
API/user/ - It is the endpoint, where all the magic happens.

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