API (Application Programming Interface)/ Definition /An API is a set of rules and protocols that allows different software applications to communicate with each other.Related Glossary TermAPI IntegrationAPI Integration involves connecting different software systems or applications to enable them to work together.Back-end DevelopmentBack-end Development involves building and maintaining the server-side logic and database of a software application.Frontend DevelopmentFrontend Development focuses on building and optimizing the visual and interactive aspects of websites or applications that users interact with directly.