REST API services let you interact with the database by simply doing HTTP requests. In this article you learn how to write a REST server using the Flask. This is often how the backend of web apps is created. Returning data is in JSON format and requests we are using are PUT, DELETE, POST, and GET.

Feb 25, 2022 · There are two ways of creating a REST API in Flask: sudo pip3 install flask-restful . Here, there are two functions: One function to just return or print the data sent through GET or POST and another function to calculate the square of a number sent through GET request and print it. # returns hello world when we use GET.

Apr 7, 2025 · A REST API typically performs CRUD (Create, Read, Update, Delete) operations. In Flask, we define API routes using @app.route(). To demonstrate how to define REST APIs in Flask, we will create a simple Flask application that manages a collection of books. Our API will allow users to view, add, update, and delete books. Here is the code for the app:

Dec 12, 2023 · Set up your Flask app to seamlessly integrating Swagger for documentation and API testing, this guide provides a step-by-step walkthrough. Learn best practices for structuring your API,...

Mar 21, 2025 · Flask: A micro web framework for Python. Python: The programming language used for this tutorial. pip: The package installer for Python. Flask-SQLAlchemy: An ORM (Object Relational Mapper) for interacting with databases. Postman: A tool for testing API endpoints. Virtualenv: A tool for creating isolated Python environments. 1.5 Links to Tools ...

May 17, 2024 · Building a RESTful API in Python can be straightforward with Flask, a lightweight and flexible web framework. To add comprehensive documentation and interactive features to the API, Flasgger is a powerful tool that integrates Swagger UI with Flask. This article guides you through the process of implementing a REST API using Flask and Flasgger.

Apr 15, 2025 · Flask is a lightweight Python web framework ideal for building RESTful APIs and microservices. Unlike heavier frameworks like Django, Flask is minimal and unopinionated, giving developers full control over application structure.

Jan 23, 2025 · Fundamental Concepts of Python Flask API. What is Flask? What is an API? How Flask Facilitates API Development; Usage Methods of Python Flask API. Installation; Creating a Basic Flask API; Handling Routes and Endpoints; Working with Request and Response; Common Practices in Python Flask API Development. Input Validation; Error Handling ...

Dec 12, 2024 · Creating a RESTful API with Flask: A Step-by-Step Guide is a comprehensive tutorial that will walk you through the process of building a RESTful API using the popular Flask web framework.

Nov 19, 2024 · In this tutorial, we will guide you through the process of building a RESTful API using Flask, a popular Python web framework. We will cover the core concepts and terminology, provide a step-by-step implementation guide, and offer practical examples to help you understand the material. What readers will learn: Prerequisites: