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    Flask is a lightweight Python framework ideal for building REST APIs. Below is a step-by-step guide to creating a simple API using Flask.

    1. Set Up the Environment

    • Install Flask:

    pip install Flask
    Cóipeáilte!

    • Optionally, create and activate a virtual environment:

    python -m venv venv
    source venv/bin/activate # On Windows: venv\Scripts\activate
    Cóipeáilte!

    2. Create a Basic Flask Application

    Start by creating a file, e.g., app.py, and add the following code:

    from flask import Flask, jsonify

    app = Flask(__name__)

    @app.route('/')
    def home():
    return jsonify({"message": "Welcome to the Flask API!"})

    if __name__ == '__main__':
    app.run(debug=True)
    Cóipeáilte!

    • Run the application:

    python app.py
    Cóipeáilte!

    • Access it at http://127.0.0.1:5000.

    3. Add CRUD Operations

    Expand your API to handle basic CRUD operations. Below is an example for managing a collection of books:

    from flask import Flask, jsonify, request

    app = Flask(__name__)

    # Sample data
    books = [
    {"id": 1, "title": "1984", "author": "George Orwell"},
    {"id": 2, "title": "To Kill a Mockingbird", "author": "Harper Lee"}
    ]

    # Get all books
    @app.route('/books', methods=['GET'])
    def get_books():
    return jsonify(books)

    # Get a single book by ID
    @app.route('/books/<int:book_id>', methods=['GET'])
    def get_book(book_id):
    book = next((b for b in books if b["id"] == book_id), None)
    return jsonify(book) if book else (jsonify({"error": "Book not found"}), 404)

    # Add a new book
    @app.route('/books', methods=['POST'])
    def add_book():
    new_book = request.json
    books.append(new_book)
    return jsonify(new_book), 201

    # Update an existing book
    @app.route('/books/<int:book_id>', methods=['PUT'])
    def update_book(book_id):
    book = next((b for b in books if b["id"] == book_id), None)
    if not book:
    return jsonify({"error": "Book not found"}), 404
    data = request.json
    book.update(data)
    return jsonify(book)

    # Delete a book
    @app.route('/books/<int:book_id>', methods=['DELETE'])
    def delete_book(book_id):
    global books
    books = [b for b in books if b["id"] != book_id]
    return jsonify({"message": "Book deleted"})
    Cóipeáilte!
    What is a REST API in Python?

    A REST API defines a set of functions which are used to perform requests like GET, POST and PUT and receive responses via HTTP protocol. This was just a brief intro on what a Rest API is. Let’s create a very simple rest api in python. For this tutorial we will use flask to create our API and the reason for that is its simplicity.

    dev.to
    Python Code
    https://thepythoncode.com/article/create-a-restful-api-with-flask-in-pyt…
    How to Create a RESTful API with Flask in Python
  1. Lena n-áirítear torthaí le haghaidh How Create a Rest API With Flask in Python.
    An bhfuil tú ag iarraidh torthaí le haghaidh +How Creat a Rest API Whit Flask in Python a fheiceáil?
  2. GeeksForGeeks
    https://www.geeksforgeeks.org › python › flask-creating-rest-apisAistrigh an toradh seo

    Flask Creating Rest APIs - GeeksforGeeks

    2 Noll 2025 · 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.

    • 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…

    Féach torthaí ó geeksforgeeks.org amháin
  3. Python Code
    https://thepythoncode.com › article › create-a-restful...Aistrigh an toradh seo

    How to Create a RESTful API with Flask in Python

    In this tutorial, we will guide you through the process of creating a RESTful API with Flask and Python. Flaskis a popular micro-framework for building web applications in Python, and RESTful APIs are a standardized architecture for creating scalable and maintainable web services. Therefore, we won't build a complete website, which requires renderi...
    Féach tuilleadh ar thepythoncode.com
  4. Medium
    https://medium.com › ...Aistrigh an toradh seo

    How to Build a Simple REST API with Flask in Python

    8 Samh 2024 · Learn how to create a basic REST API using Flask in Python. This beginner-friendly guide covers routing, handling requests, and returning JSON …

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  6. Python Tutorial
    https://pythonbasics.org › flask-rest-apiAistrigh an toradh seo

    Flask REST API Tutorial - Python Tutorial

    Flask REST API Tutorial 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 …

  7. techbuddies.io
    https://www.techbuddies.io › from-zero-to...Aistrigh an toradh seo

    From Zero to Hero: Create a Powerful REST API Web Server Using …

    19 DFómh 2025 · In this guide, you’ll go from zero to hero by building a fully functional REST API web server using Python Flask — one of the most lightweight and flexible frameworks out there.

  8. DEV Community
    https://dev.toAistrigh an toradh seo

    Create a simple REST API in python using Flask.

    26 Meith 2025 · Learn how to create a simple REST API in Python using Flask. Understand GET, POST, PUT and DELETE requests, handle JSON responses, and start building APIs easily.

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  10. Codez Up
    https://codezup.com › build-restful-apis-flask-modern-pythonAistrigh an toradh seo

    Building RESTful APIs with Flask: A Modern Python Guide

    2 Beal 2025 · Learn to build scalable and efficient RESTful APIs using Flask and modern Python. Discover best practices, design patterns, and implementation tips in this comprehensive guide.

  11. jkoder.com
    https://jkoder.com › python-flask-rest-api-with-sqlalchemyAistrigh an toradh seo

    Python Flask REST API with SQLAlchemy - jkoder.com

    Learn how to build a Python Flask REST API with SQLAlchemy. Step-by-step guide with code examples, database integration, and CRUD endpoints.

  12. pyquesthub.com
    https://pyquesthub.comAistrigh an toradh seo

    Building a REST API with Flask - Comprehensive Guide

    3 Márta 2025 · Learn how to build a REST API using Flask with a step-by-step guide, code examples, and best practices for web development.

  13. Real Python
    https://realpython.com › flask-connexion-rest-apiAistrigh an toradh seo

    Python REST APIs With Flask, Connexion, and …

    In this three-part tutorial series, you’ll build a REST API with the Flask web framework. You’ll create a foundation with a basic Flask project then add …

  14. Lena n-áirítear torthaí le haghaidh How Create a Rest API With Flask in Python.
    An bhfuil tú ag iarraidh torthaí le haghaidh +How Creat a Rest API Whit Flask in Python a fheiceáil?
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