Understanding REST API Principles: A Comprehensive Guide for Developers

REST (Representational State Transfer) is one of the most widely adopted architectural styles for designing networked applications. Whether you’re preparing for a technical interview or looking to improve your API design skills, understanding REST API principles is essential. In this post, we’ll break down the core concepts of REST, discuss its fundamental constraints, provide practical examples, and summarize the overall ideas to reinforce your learning. What is REST? ...

February 1, 2024

Understanding HTTP Status Codes in REST API Design

The Language of Web Conversations 🌐 HTTP status codes are the internet’s secret handshake. Here’s your decoder ring: 1xx: Informational 100 Continue: “Keep sending, I’m listening!” 2xx: Success 200 OK: “Everything worked perfectly!” 201 Created: “New resource born successfully” 204 No Content: “Request succeeded, nothing to show” 3xx: Redirection 301 Moved Permanently: “We’ve moved houses!” 304 Not Modified: “Cache still fresh ☕” 4xx: Client Errors 400 Bad Request: “Check your syntax, friend” 401 Unauthorized: “Who goes there?” 404 Not Found: “Digital ghost town” 418 I’m a teapot: (RFC 2324 Easter egg 🫖) 5xx: Server Errors 500 Internal Error: “Our bad!” 503 Service Unavailable: “Try again later” Pro Tip: Always return appropriate status codes with meaningful error messages: ...

January 15, 2024

Building Your First REST API with FastAPI: A Step-by-Step Guide

Building Your First REST API with FastAPI: A Step-by-Step Guide FastAPI is a modern, fast (high-performance) web framework for building APIs with Python 3.7+ based on standard Python type hints. It’s incredibly easy to learn and use, and boasts automatic interactive API documentation (Swagger UI) and data validation. This guide will walk you through building a simple REST API with FastAPI, demonstrating its key features. What We’ll Build We’ll create a simple API that manages a list of “items.” It will have endpoints for: ...

October 27, 2023

Why FastAPI is My Go-To Framework for Backend Development

Why FastAPI is My Go-To Framework for Backend Development Python offers a rich ecosystem of web frameworks, making it a popular choice for backend development. While frameworks like Flask and Django have been staples for years, FastAPI has emerged as a strong contender, and in many cases, my preferred choice. This post explores why I find FastAPI so compelling, comparing it with Flask and Django, highlighting its performance advantages, and discussing its excellent support for asynchronous programming. ...

October 27, 2023