Systems that implement REST APIs can scale efficiently because REST optimizes client-server interactions. Statelessness removes server load because the server does not have to retain past client request information. Well-managed caching partially or completely eliminates some client-server interactions. All these features support scalability without causing communication bottlenecks that reduce performance. This is why APIs are hugely important to the Internet of Things.
Modern web APIs are REST APIs and the terms can be used interchangeably. The ‘door’ has written instructions on directing the data on how to get through it. Here, you want the systems to speak to one another directly, removing the entire need to enter the data twice and reducing the risk of making mistakes. These constraints may seem like a lot but they’re much simpler than a prescribed protocol. For this reason RESTful APIs are becoming more prevalent than SOAP.
Application of API
REST API is a special type of Web API that uses the standard architectural style explained above. Sharing APIs―with select partners or the whole world―can have positive effects. Each partnership extends your brand recognition beyond your company’s marketing efforts.
It is a type of software interface, offering a service to other pieces of software.[1] A document or standard that describes how to build or use such a connection or interface is called an API specification. A computer system that meets this standard https://deveducation.com/en/blog/ is said to implement or expose an API. The term API may refer either to the specification or to the implementation. For developers, API documentation provides the interface for communication between applications, simplifying application integration.
How to secure a REST API?
While the data transfer will differ depending on the web service being used, the requests and responses all happen through an API. There is no visibility on the user interface, meaning APIs exchange data within the computer or application, and appear to the user as a seamless connection. You need them for app development and integration as they facilitate data exchange between two pieces of software, like an information supplier (a server) and a user. The uniform interface is fundamental to the design of any RESTful webservice. It indicates that the server transfers information in a standard format. This format can be different from the internal representation of the resource on the server application.