The author of this article is Bahaa Al Zubaidi. As an IT expert, Bahaa Al Zubaidi always shares his experience on various platforms. API testing is necessary to ensure that business-like applications perform as expected. The Key software will check an API’s characteristics as you run the tests. These are robustness, security, performance, and dependability.

1. What is API Testing?
The author of this article is Bahaa Al Zubaidi. As an IT expert, Bahaa Al Zubaidi always
shares his experience on various platforms.
API testing is necessary to ensure that business-like applications perform as expected.
The Key software will check an API’s characteristics as you run the tests. These are
robustness, security, performance, and dependability.
For example, using an API, two programs can exchange data on a computer.
Consequently, API software must perform with an expert API tester. To protect the
company you value deeply.
How to Approach API Testing?
QA team members will use API Testing Approach based on a plan or method they have
already created. You can learn more about the functions, testing methods, and input
parameters using the API testing approach.
The user can undertake API testing by keeping in mind the following points:
● Knowing the API program’s functionality and defining the program’s scope in
detail
● Use testing API approaches like equivalence classes, boundary value analysis,
and error guessing.
● Must consider and describe the API’s input parameters.
● Compare the predicted and actual results after executing the test cases.
The flow of API testing is simple, with three main steps:
1. First, send the request with the needed information.
2. Get the response that has data from the output.
3. Finally, check that the reply returned the way the requirement said it should.
What are the Challenges of API testing?
Among the difficulties in testing APIs are the following:

2. ● Parameter combination, Parameter selection, and Call sequencing are the
primary challenges in web API testing.
● It is difficult to provide input values for testing purposes because there is no user
interface.
● It is slightly more challenging for testers to validate and verify the result in a
different system.
● Testers need to understand how to choose and classify parameters.
● It is necessary to test the error-handling mechanisms.
● Testers must be able to read and understand source code.
It is critical to use the correct API testing tools. But, you may feel overwhelmed while
looking for a suitable tool for your API tests.
Seven Types of API Tests
Testing the API in different ways can verify that it functions as intended. There is a
broad spectrum of software reviews available. Examples of a few of these examinations
are the following:
4. Validation Testing
5. Functional Testing
6. Load Testing
7. Reliability Testing
8. Security Testing
9. Penetration Testing
10.Fuzz Testing
The benefits of API tests are evident. Yet, it is crucial for business processes to ensure
your data are realistic and secure. Ensure an appropriate approach and team members
to work on your API tests. API testers make it a top priority to comprehend the purpose
behind the API.

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