<aside> 📚 📁 Category: Python

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Overview

FastAPI is a modern, high-performance web framework for building APIs with Python 3.7+ based on standard Python type hints with automatic validation and documentation.

<aside> ℹ️ Why It Matters: Understanding FastAPI is essential for building robust, scalable, and secure modern applications.

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Key Concepts

• [x] Type Hints - Python typing for validation
• [x] Pydantic Models - Data validation
• [x] Async/Await - Asynchronous endpoints
• [x] Dependency Injection - Reusable dependencies
• [x] Automatic Documentation - OpenAPI/Swagger
• [x] Request Validation - Automatic validation
• [x] Response Models - Type-safe responses
• [x] Background Tasks - Async task processing

Common Use Cases

<aside> 💡 Where to Apply FastAPI

                        RESTful APIs
                        Microservices
                        Machine learning APIs
                        Data validation services
                        Real-time applications
                        High-performance backends

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Best Practices

• [x] Use type hints everywhere
• [x] Leverage Pydantic for validation
• [x] Use async for I/O operations
• [x] Implement proper error handling