REST API Development with Flask
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Connecting Flask to a Database
Building REST APIs is a core skill for modern web developers, and Flask, a lightweight Python framework, makes the process simple yet powerful. REST (Representational State Transfer) APIs allow applications to communicate over HTTP by exposing endpoints that perform operations like creating, reading, updating, or deleting data. With Flask’s flexibility and minimal setup, developers can quickly design APIs tailored to their project’s needs.
To start, Flask provides decorators such as @app.route() to define endpoints. For example, you can create a /users endpoint to fetch user data or add new records. By integrating Flask with libraries like Flask-RESTful or Flask-SQLAlchemy, you can streamline serialization, request parsing, and database interaction. JSON is the standard data format, making APIs lightweight and easily consumable by frontends, mobile apps, or other services.
Flask also supports middleware for authentication, request validation, and error handling, ensuring APIs remain secure and reliable. Developers can extend APIs further with Swagger or Postman for documentation and testing. Its modular design allows scaling from a simple prototype to production-ready services.
In short, Flask empowers developers to build REST APIs efficiently while maintaining full control over architecture. Whether you’re building a microservice, a backend for a web app, or an integration layer, Flask provides the right balance of simplicity and extensibility.
Read More
Connecting Flask to a Database
Introduction to Flask for Web Development
Handling Forms and Validation in HTML
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