FastAPI Interview Questions | Python Developer Practice Test

Get interview‑ready with our FastAPI practice tests tailored for Python developers. Master route management, Pydantic data validation, JWT/OAuth2 security, async programming, background tasks, middle-ware, error handling, and API docs.

Our tests include both multiple-choice questions (MCQ) and multiple-select questions (MSQ), with detailed explanations provided for every answer.

This means you won’t just practice—you’ll learn and understand the concepts behind each question.

Whether you’re a beginner looking to build your FastAPI skills or an experienced developer preparing for technical interviews, this course will provide you with the knowledge and practice you need to succeed.

Course Content Outline:

Practice Test 1: API Routing & Request Handling

Create and manage routes

Understand path and query parameters

Handle various HTTP methods (GET, POST, PUT, DELETE)

Parse request bodies using Pydantic models

Format responses and set appropriate status codes

Practice Test 2: Data Validation with Pydantic

Utilize Pydantic for data validation

Build complex nested models

Implement field validation and constraints

Manage validation errors and exceptions effectively

Practice Test 3: Authentication and Authorization

Implement JWT (JSON Web Tokens) for user authentication

Explore OAuth2 flows in FastAPI

Secure routes using dependency injection

Apply role-based access control

Follow best practices for API security

Practice Test 4: Asynchronous Programming & Background Tasks

Understand async/await syntax in FastAPI

Develop asynchronous routes

Manage background tasks for long-running processes

Integrate with async database libraries (e.g., SQLAlchemy, Tortoise ORM)

Practice Test 5: Middleware, Error Handling, and API Documentation

Create and apply middleware

Implement custom error handling

Generate OpenAPI documentation and use Swagger UI

Log and monitor API requests and responses