A REST API is an application programming interface (API) that conforms to the design principles of the representational state transfer (REST) architectural style, a style used to connect distributed hypermedia systems. REST APIs are sometimes referred to as RESTful APIs or RESTful web APIs. REST (Representational State Transfer) refers to a group of software architecture design constraints that bring about efficient, reliable and scalable distributed systems. A REST API, also known as a RESTful API, is a simple, uniform interface that is used to make data, content, algorithms, media, and other digital resources available through web URLs. REST APIs are the most common APIs used across the web today. A REST (Representational State Transfer) API is an architectural style for an API that uses HTTP (Hypertext Transfer Protocol) request methods to access and manipulate data over the Internet. The most popular HTTP request methods are GET, POST, PUT, DELETE, PATCH, HEAD, TRACE, CONNECT and OPTIONS.
