The protection of applications has been considered one of the most crucial issues in the world of technology, which is rapidly growing. With more and more companies going online, the issue of safeguarding applications from hostile actions is paramount. Innovation through the use of cloud computing and APIs, such as the Application Programming Interfaces, indicates the creation of other frontiers of innovation but brings about new concerns in the security classification of resources. These applications are the most protected by this distributed cloud technology, and API protection is a trustworthy tool for combating these threats.