An API, or Application Programming Interface, is a type of software interface that allows two computer programs to communicate with each other. If you are unfamiliar with APIs, reading the API Wikipedia page is recommended.
NoCode-X makes it incredibly easy to make your own APIs, without any code required. You can use them to allow your clients to interact with your applications using their own applications, instead of having to go through a graphical interface such as NoCode-X templates.
The articles below explain every aspect of APIs in NoCode-X.