![]() PUT: If you perform the ‘PUT’ request, then the server will update an entry in the database.GET: This method allows for the server to find the data you requested and sends it back to you.The four main resource methods that are associated with REST APIs are: The method is the type of request you send to the server. Meanwhile, REST uses a resource identifier to recognize the specific resource involved in an interaction between components. A resource can be any information that could be named, such as a document or image, a collection of other resources, a non-virtual object, and more. To understand how REST APIs work, it is critical to understand resources. Servers can also send executable codes to the client when necessary. Oftentimes, a server will send back a static representation of resources in the form of XML or JSON. Code on demand: Because REST APIs download and execute code in the form of applets or scripts, there’s more client functionality.In doing so, each component cannot see beyond the immediate layer with which they are interacting. Layered system: REST allows for an architecture composed of hierarchical layers.RESTful resource caching: Data within a response to a request must be labeled as cacheable or non-cacheable.The server can’t hold any information about the client state. Stateless operations: Request from client to server must contain all of the information necessary so that the server can understand and process it accordingly.The separation of client and server enables each to be developed and enhanced independently of the other. ![]() The client’s domain concerns UI and request-gathering, while the server’s domain concerns focus on data access, workload management, and security.
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