What is a RESTful API and how does it work?
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A RESTful API (Representational State Transfer) is a way for software applications to communicate over the internet. It follows specific principles to ensure simplicity and scalability.
Key Concepts:
1. Resources: RESTful APIs use resources (e.g., users, data) identified by URLs. Each resource can be accessed via a specific URL.
2. HTTP Methods: Operations on resources are performed using standard HTTP methods:
– GET: Retrieve data.
– POST: Create new data.
– PUT: Update existing data.
– DELETE: Remove data.
3. Stateless: Each request from a client to the server must contain all the information needed for the server to understand and fulfill the request. The server does not store any state between requests.
How It Works:
1. Client Request: A client (like a web browser) sends an HTTP request to the server with a URL and an HTTP method.
2. Server Response: The server processes the request, performs the required operation, and sends back an HTTP response with the requested data or a status message.
RESTful APIs are widely used due to their simplicity and ease of integration across different systems.
A RESTful API (Representational State Transfer) is a way for software applications to communicate over the internet. It follows specific principles to ensure simplicity and scalability.
Key Concepts:
1. Resources: RESTful APIs use resources (e.g., users, data) identified by URLs. Each resource can be accessed via a specific URL.
2. HTTP Methods: Operations on resources are performed using standard HTTP methods:
– GET: Retrieve data.
– POST: Create new data.
– PUT: Update existing data.
– DELETE: Remove data.
3. Stateless: Each request from a client to the server must contain all the information needed for the server to understand and fulfill the request. The server does not store any state between requests.
How It Works:
1. Client Request: A client (like a web browser) sends an HTTP request to the server with a URL and an HTTP method.
2. Server Response: The server processes the request, performs the required operation, and sends back an HTTP response with the requested data or a status message.
RESTful APIs are widely used due to their simplicity and ease of integration across different systems.