Make sure any APIs you use — whether third-party or your own — work as expected no matter what. With automation, API testing becomes an easy task that can be completed faster.
For checking the functionality of individual APIs.
For validation of functionality and performance for the system under various levels of user/ transaction load.
Involves various types of security checks like penetration testing, authentication, encryption, and access control.
For testing end to end functionality of the API layer.
Execution of Automated / Manual tests to identify problems, such as exceptions and resource leaks.
End to end testing of the entire system using the APIs.