What does "API endpoint" refer to?

An "API endpoint" refers to a specific URL where an API can be accessed. In the context of web services, each endpoint provides a specific function or resource that can be interacted with. When a client makes a request to that URL, it can trigger certain actions like retrieving data, submitting information, or updating resources. The endpoint effectively acts as a gateway for communication between a client and a server, allowing different services to connect and interact through defined methods like GET, POST, PUT, etc.

This concept is fundamental to understanding how APIs operate, as each endpoint is designed to accept requests and respond accordingly, handling specific resource operations. Thus, knowing the structure and purpose of an endpoint is vital for developers working with APIs in order to integrate various systems and functionalities effectively.