what is api testing explain in details

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Accepted Answer

API testing is a type of software testing that involves testing APIs to ensure they meet functional, performance, and security requirements.

API testing involves testing the functionality of APIs, including verifying that they return the correct response for a given request.
API testing also involves testing the performance of APIs, including measuring response times and throughput under different loads.
API testing also involves testing the security of APIs, including verifying that they are protected against common security threats such as SQL injection and cross-site scripting.
API testing can be automated using tools such as Postman, SoapUI, and JMeter.
API testing is important for ensuring that APIs are reliable, scalable, and secure, which is critical for building robust software applications.

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