Introduction

What is a REST API?

Architectural Styles and Design Patterns for REST API Designs

1. Layered Architecture

   The layered architectural style involves organizing the API into multiple layers, each responsible for specific functions. This promotes the separation of concerns, making the system more maintainable and scalable. Common layers include presentation, business logic, and data storage.

2. Client-Server Architecture

   In this style, the client and server act as separate entities that communicate over a network. The client is responsible for the user interface, while the server handles the application's core functionality and data storage. This separation allows for better scalability and independence of concerns.

3. Resource-Oriented Architecture

   Following the resource-based principle, this style focuses on designing APIs around resources and their interactions. Each resource is assigned a unique URL, and clients interact with these resources using standard HTTP methods.

4. Repository Pattern

   The repository pattern abstracts the data access layer from the rest of the API. It provides a consistent interface for data storage operations, making it easier to switch between different data sources without affecting the higher layers.

5. Singleton Pattern

   The singleton pattern ensures that a class has only one instance and provides global access to it. In REST APIs, this can be used for global configurations or shared resources.

6. Pagination

   When dealing with large collections of resources, pagination is essential to improve API performance. Clients can request subsets of data using parameters like "limit" and "offset".

Conclusion