Building a RESTful CRUD API with Flask

Building a RESTful CRUD API with Flask

In this guide, we will learn how to build a Restful CRUD API with Flask. Most beginners prefer to use Flask because it is easy to learn and use as its syntax is more python friendly.

In this guide, we will learn how to build a Restful CRUD API with Flask. Most beginners prefer to use Flask because it is easy to learn and use as its syntax is more python friendly.

Flask is more flexible, and it doesn’t enforce dependencies. It allows developers to structure their projects the way they want. Developers are free to use any library and tool provided by Flask for their project. For building small web applications, the Flask framework is preferable.

Prerequisite

  • Basic Python and Flask knowledge
  • Little knowledge of Database
  • A PC with any Code Editor (VSCode)
  • POSTMAN

Installing Flask

We will install Flask by running the code below in our terminal:

>>> pip install flask

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After installing flask, create a python file, and name it settings.py. In our settings.py file, we will import the flask library.

## importing libraries
from flask import Flask, request, Response, jsonify

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We will now create an instance of the flask app.

## creating an instance of the flask app
app = Flask(__name__)

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Configuring SQLAlchemy Database

We will create an SQLAlchemy database with Flask-SQLAlchemy. Flask-SQLAlchemy is a flask extension that provides support for SQLAlchemy. We need to install the library first.

flask python flask restful crud api

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