How to create a simple flask API in Python

REST stands for REpresentational State Transfer and is an architectural style used in modern web development. It defines a set or rules/constraints for a web application to send and receive data.

In this article, we will build a REST API in Python using the Flask framework. Flask is a popular micro framework for building web applications. Since it is a micro-framework, it is very easy to use and lacks most of the advanced functionality which is found in a full-fledged framework. Therefore, building a REST API in Flask is very simple.

There are two ways of creating a REST API in Flask:

  1. Using Flask without any external libraries
  2. Using flask_restful library

Libraries required:

flask_restful can be installed via the pip command:

pip install flask_restful

flask can be installed via the following pip command:

pip install flask

Create a new folder and create a python file named inside it

from distutils.log import debug
import json
from pickle import TRUE
from flask import Flask
app = Flask(__name__)
def index():
    return json.dumps({'name': 'GeekyCodes',
                       'email': ''})

Save the file and then open command prompt and run the python file using the following command


Now open the browser and paste the following address

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