What is API?

API stands for Application Programming Interface. It is a set of protocols, tools, and definitions that define how software components should interact with each other. APIs enable different software systems to communicate with each other, exchange data, and perform various tasks.

In the context of software development, an API is typically a set of programming instructions and standards for accessing a web-based software application or web tool. An API defines the types of requests that can be made to a system, along with the data format, syntax, and rules for making those requests.

APIs can be used by developers to add new features and functionality to their applications, without having to develop those features from scratch. For example, a developer may use an API to access a payment processing service, a weather data service, or a social media platform.

APIs can also be used to enable different software systems to work together, allowing data to be shared and processed between them. For example, an API may enable an e-commerce website to retrieve customer data from a customer relationship management (CRM) system, or a mobile app to access data from a web service.

In summary, an API is a set of protocols and standards that define how software systems should interact with each other, enabling developers to add new features and functionality to their applications, and enabling different software systems to work together.