FastAPI Tutorial

Start learning FastAPI →

What You Will Learn

This learning path covers the following areas in curriculum order:

• FastAPI Foundations
• Routing and Schemas
• Dependencies and Configuration
• Databases and Transactions
• API Design
• Testing and Documentation
• Production Engineering
• FastAPI Capstone

Who This Course Is For

This tutorial is suitable for complete beginners as well as learners who already know some programming and want a structured reference. Start from the first lesson if the subject is new to you. Experienced learners can use the curriculum below to jump directly to a specific concept.

How to Use This Tutorial

1. Read each lesson in curriculum order and run every example yourself.
2. Change the examples to test your understanding instead of only copying them.
3. Complete the exercises and review the common-mistake sections before moving on.
4. Bookmark this course page so you can return to the complete lesson index.

Course Contents

FastAPI Foundations

• FastAPI Introduction
• Install FastAPI and Structure a Project
• ASGI and the Request Lifecycle

Routing and Schemas

• Path and Query Parameters
• Request Bodies with Pydantic
• Response Models and Status Codes

Dependencies and Configuration

• Dependency Injection
• Settings and Environment Configuration
• Authentication and Authorization

Databases and Transactions

• Database Sessions
• Async Database Access
• Transactions and Migrations

API Design

• REST Resources and Versioning
• Pagination, Filtering, and Sorting
• File Uploads and Background Tasks

Testing and Documentation

• Testing FastAPI Endpoints
• Consistent Error Handling
• OpenAPI and Interactive Documentation

Production Engineering

• Middleware, CORS, and Trusted Proxies
• Performance, Caching, and Rate Limits
• Deployment and Observability

FastAPI Capstone

• Design a Course Catalogue API
• Secure an Enrollment Workflow
• Production Readiness Review

Frequently Asked Questions

Is this FastAPI tutorial free?

Yes. The lessons listed on this page are free to read and can be completed at your own pace.

Do I need previous experience?

No previous experience is required for the introductory lessons. Some advanced modules are easier if you first complete the fundamentals in this course.

How should I practise?

Type and run the examples, deliberately change their inputs, predict the result before execution and build a small project after completing each major section.