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# quick article# api design

What is REST API design?

The web architecture style known as REST (Representational State Transfer) also refers to a set of rules for creating web services. RESTful APIs, also known as REST APIs, are developed in accordance with the REST design principles and are intended to function with the HTTP protocol, which is used by the World Wide Web. We'll discuss the fundamentals of REST API design in this post, as well as how it varies from other styles of web service architecture.

REST API design principles

REST API design is based on six principles, also known as the "constraints" of REST:

  • Client-Server: The separation of concerns between the client and server.
  • Stateless: The server does not store any client context between requests.
  • Cacheable: Clients can cache responses to improve performance.
  • Layered System: The API can be composed of multiple layers to provide a certain level of abstraction.
  • Code-on-demand (optional): Servers can provide executable code or scripts for clients to execute.
  • Uniform Interface: A fixed set of constraints that all resources must follow.

REST API design patterns

RESTful API design patterns include:

  • Using HTTP methods for actions: REST APIs use standard HTTP methods, such as GET, POST, PUT, and DELETE, to perform operations on resources.
  • Using URIs to identify resources: Resources are identified by URIs (Uniform Resource Identifiers) which make it easy for clients to understand the structure of the API.
  • Using standard HTTP status codes to indicate success or failure: REST APIs use standard HTTP status codes, such as 200 OK or 400 Bad Request, to indicate the outcome of an operation.
  • Using standard HTTP headers for metadata: REST APIs use standard HTTP headers, such as Content-Type, to provide additional information about a resource or request.


A collection of standards known as REST API design is used to create web services that follow the representational state transfer tenets. REST APIs are built on the client-server separation, statelessness, cacheability, layered system, and uniform interface principles and are meant to interact with the HTTP protocol. Your API will be simpler to understand, use, and maintain if you adhere to these design principles and practises. These standards are crucial because they ensure that APIs are predictable, consistent, and easy to comprehend, all of which facilitate easier integration and enhance user experience.

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