FastAPI – Modern Python API Development

Course Introduction

FastAPI is a modern and high-performance Python framework used for building RESTful APIs and backend applications. It is designed to make API development faster, simpler and more reliable, with built-in support for data validation, automatic API documentation and asynchronous programming. This course is designed for students, Python developers and backend professionals who want to build scalable APIs and production-ready backend applications. Learners will gain hands-on experience with FastAPI, Pydantic, SQL databases, authentication, JWT, asynchronous programming, testing, Docker and deployment. Vnurture already offers Python-based web framework training and industry-readiness programs, making FastAPI a suitable advanced backend specialization within its course portfolio.

Introduction to FastAPI

What is FastAPI?
Why FastAPI?
Features of FastAPI
FastAPI vs Flask
FastAPI vs Django
Understanding REST APIs
Client-Server Architecture
HTTP Request & Response
API Architecture Basics
FastAPI Use Cases
Setting Up the Development Environment
Installing Python
Virtual Environment
Installing FastAPI
Installing Uvicorn
Creating Your First FastAPI Application

Development Environment Setup

Python Basics Revision
Variables & Data Types
Lists, Tuples, Sets & Dictionaries
Conditional Statements
Loops
Functions
Lambda Functions
Modules & Packages
Object-Oriented Programming Basics
Classes & Objects
Exception Handling
File Handling
Type Hints
Python Virtual Environments
Package Management with Pip

FastAPI Fundamentals

Creating a FastAPI Application
Application Structure
Running the Development Server
Path Operations
HTTP Methods
GET Requests
POST Requests
PUT Requests
PATCH Requests
DELETE Requests
Path Parameters
Query Parameters
Request Body
Response Body
Status Codes
Response Models

Request Validation with Pydantic

Introduction to Pydantic
Creating Pydantic Models
Data Types & Type Validation
Required & Optional Fields
Default Values
Nested Models
Lists & Dictionaries
Field Validation
Custom Validators
Data Serialization
Request Validation
Response Validation
Error Messages & Validation Errors

API Documentation

Introduction to API Documentation
Automatic Documentation in FastAPI
Swagger UI
ReDoc
API Endpoints Documentation
Request & Response Examples
API Tags
Endpoint Descriptions
Organizing APIs
Documenting Parameters
Documenting Authentication
Testing APIs through Swagger UI

CRUD Operations

Understanding CRUD Operations
Creating Resources
Reading Resources
Updating Resources
Deleting Resources
Building CRUD APIs
Request & Response Models
Error Handling
Status Codes
Pagination
Searching
Sorting
Building a Complete CRUD Application
Filtering

Database Integration

SQL & Database Fundamentals

Introduction to Databases
Relational Database Concepts
Tables & Relationships
Primary & Foreign Keys
SQL Basics
SELECT Queries
INSERT Queries
UPDATE Queries
DELETE Queries
Joins
Database Normalization Basics

FastAPI Database Integration

Connecting FastAPI with Databases
SQLAlchemy Introduction
ORM Concepts
Creating Database Models
Database Sessions
CRUD with Database
Relationships
One-to-One Relationship
One-to-Many Relationship
Many-to-Many Relationship
Database Migrations
Introduction to Alembic

Dependency Injection

Introduction to Dependency Injection
Why Dependency Injection?
Using Depends
Creating Dependencies
Reusable Dependencies
Database Dependencies
Authentication Dependencies
Nested Dependencies
Dependency Management
Dependency Injection Best Practices

Authentication & Authorization

Introduction to Authentication
Authentication vs Authorization
User Registration
User Login
Password Hashing
OAuth2 Basics
JWT Authentication
Access Tokens
Refresh Tokens
Token Validation
Protected Routes
Role-Based Access Control
User Roles & Permissions
Authentication Dependencies
Securing API Endpoints

Async Programming

Introduction to Asynchronous Programming
Synchronous vs Asynchronous Programming
Async & Await
Async Functions
Event Loop Basics
Concurrency Concepts
Asynchronous API Endpoints
Async Database Operations
Background Tasks
Performance Considerations
When to Use Async
Async Best Practices