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What is RESTful API?

A RESTful API (Representational State Transfer) is a web service designed around the principles of REST architecture, allowing applications to communicate over the internet using standard HTTP methods.

Key Principles of REST:

  • Statelessness: Each request from a client contains all the information needed for the server to fulfill the request. The server does not store any client context between requests.
  • Client-Server Architecture: The client and server are distinct entities that communicate over the network. This separation allows for independent evolution.
  • Resource-Based: RESTful APIs use resources, which are identified using URIs (Uniform Resource Identifiers). Each resource can be manipulated using standard HTTP methods (GET, POST, PUT, DELETE).
  • Uniform Interface: REST APIs are designed to have a consistent interface, making it easy for developers to understand and use them effectively.
  • Representations: Resources can have multiple representations, such as JSON or XML, allowing clients to request the format they prefer.

Benefits of Using RESTful APIs:

  • Scalability and flexibility for applications.
  • Improved performance due to statelessness.
  • Easier integration across platforms and programming languages.
  • Standardization through HTTP protocols enhances interoperability.

In summary, RESTful APIs are crucial for modern web and mobile applications, facilitating seamless communication and integration in a standardized manner.

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