API Testing. What is it?

API Testing. What is it?

API testing is performed to test whether a particular API meets pre-defined parameters or not.

API testing includes testing APIs in isolation to ascertain if they meet the functionality, reliability, latency, performance, security, and other essential parameters.

How to test an API?

You can code the test,use cURL or tools like postman/katalon/jmeter for API testing. 

Why should you perform API testing?

- Testing your APIs timely helps to ensure your app is up all the time.

- It helps to detect API security and performance issues.

- It can validate the response data structure.

- It also reveals unused flags, irregular errors, incorrect handling of argument values, etc.

Benefits of API Testing

- When API tests fail, you will know precisely where the issue lies that crashed the system.

- As data is exchanged via XML or JSON, you can write API tests in your preferred language.

- API testing also helps to release the next API version faster.