Application Programming Interface (API)
An Application Programming Interface (API) is a set of protocols and tools that allows different software applications to communicate with each other and exchange data.
APIs allow developers to access specific features or data from a software application, without requiring them to understand the underlying code or architecture. This makes it easier for them to integrate different systems and build more complex applications by reusing existing functionality. APIs are commonly used in eCommerce to integrate third-party software or services, such as payment gateways or shipping providers, with an online store.