AboutTeamsPricing
New content added weeklyLive

Master FastAPI with Adaptive AI.

Master FastAPI across 18 topics - Foundations, Intermediate, and Advanced - guided by Leyaa's adaptive intelligence.

3Parts
18Topics
141Patterns
35hEst. duration
Start Learning Free
FastAPI
FastAPI Course
3 - part learning journey
Beginner
Foundations
6 topics · 48 patterns
Beginner
Intermediate
Intermediate
6 topics · 46 patterns
Intermediate
Advanced
Advanced
6 topics · 47 patterns
Advanced
Begin Part 1: Foundations
✦ Course Structure

Your FastAPI Journey in 3 Parts

Each part builds on the last - a deliberate progression from beginner to advanced.

Beginner
Beginner
Part 1: Foundations
Covers FastAPI Basics and Philosophy, Route Handling, Query Parameters and 3 more topics.
6Topics
48Patterns
View topics
Intermediate
Intermediate
Part 2: Intermediate
Covers Dependency Injection, Authentication and Security, Database Integration and 3 more topics.
6Topics
46Patterns
View topics
Advanced
Advanced
Part 3: Advanced
Covers Async Programming in FastAPI, WebSockets, API Router and Project Structure and 3 more topics.
6Topics
47Patterns
View topics
Curriculum

Everything You'll Learn

Explore every topic and pattern in the course.

FastAPI

3 parts · 18 topics · 141 patterns
Beginner
Part 1: Foundations6 topics · 48 patterns
Beginner
01
FastAPI Basics and Philosophy
7 patterns
Why FastAPI exists
FastAPI vs Flask vs Django comparison
ASGI and async-first architecture
FastAPI installation and setup
Uvicorn server basics
First FastAPI application
Automatic API documentation (Swagger UI)
02
Route Handling
8 patterns
Why routing organizes endpoints
Path operations (GET, POST, PUT, DELETE)
Route decorator syntax
Path parameters
Path parameter types and validation
Multiple path parameters
Route ordering and priority
Trailing slash behavior
03
Query Parameters
8 patterns
Why query parameters filter data
Basic query parameter declaration
Optional query parameters
Default values
Required query parameters
Multiple query parameters
Query parameter validation
Boolean query parameters
04
Request Body and Data
8 patterns
Why request bodies carry structured data
Pydantic model basics
Request body declaration
Nested models
Body with multiple parameters
Field validation rules
Custom validators
Example data in schema
05
Response Handling
8 patterns
Why structured responses matter
Response model declaration
Status code control
Response model exclude and include
Multiple response types
Custom response classes
Streaming responses
File responses
06
Data Validation with Pydantic
9 patterns
Why validation prevents bad data
Pydantic model definition
Field types and constraints
String validation (min, max, regex)
Numeric validation (gt, lt, ge, le)
List and set validation
Optional and nullable fields
Custom validation with validator decorator
Model inheritance
Intermediate
Part 2: Intermediate6 topics · 46 patterns
Intermediate
01
Dependency Injection
8 patterns
Why dependency injection matters
Depends function basics
Dependencies with parameters
Shared dependencies
Sub-dependencies
Class-based dependencies
Path operation dependencies
Global dependencies
02
Authentication and Security
9 patterns
Why API security is critical
OAuth2 password flow
Bearer token handling
JWT token creation
JWT token verification
Password hashing with bcrypt
Protected routes
Role-based access control
API key authentication
03
Database Integration
8 patterns
Why databases persist data
SQLAlchemy setup with FastAPI
Database session management
CRUD operations
Alembic migrations
Async database with databases library
MongoDB integration with Motor
Connection pooling
04
Error Handling
7 patterns
Why error handling ensures reliability
HTTPException usage
Custom exception handlers
Validation error responses
Global exception middleware
Logging errors
Custom error response models
05
Middleware and Hooks
7 patterns
Why middleware processes requests globally
Custom middleware creation
CORS middleware setup
Trusted host middleware
Request timing middleware
Startup and shutdown events
Lifespan context manager
06
File Handling
7 patterns
Why file operations are common
File upload (single file)
Multiple file uploads
File validation (size, type)
Serving static files
File download responses
Background file processing
Advanced
Part 3: Advanced6 topics · 47 patterns
Advanced
01
Async Programming in FastAPI
8 patterns
Why async improves performance
Async path operations
Async vs sync decision
Async database queries
Async HTTP client calls
Concurrent task execution
Background tasks
Async generator dependencies
02
WebSockets
7 patterns
Why WebSockets enable real-time communication
WebSocket endpoint creation
Accepting connections
Sending and receiving messages
Broadcasting to multiple clients
WebSocket authentication
Connection lifecycle management
03
API Router and Project Structure
8 patterns
Why project structure matters at scale
APIRouter for modular routes
Router prefix and tags
Including routers in main app
Shared dependencies across routers
Folder structure patterns
Configuration management
Environment-based settings
04
Testing FastAPI
8 patterns
Why testing ensures reliability
TestClient basics
Testing path operations
Testing with database
Testing authentication
Overriding dependencies in tests
Async test patterns
Fixture organization
05
Performance and Deployment
8 patterns
Why production readiness matters
Gunicorn with Uvicorn workers
Docker containerization
Environment variable management
Logging configuration
Rate limiting
Caching strategies
Health check endpoints
06
Advanced Patterns
8 patterns
Why advanced patterns solve real problems
Pagination patterns
Filtering and sorting
Bulk operations
Event-driven architecture
API versioning strategies
OpenAPI schema customization
Custom request validation
Why Leyaa

Not just a course. A learning intelligence.

Leyaa doesn't just deliver content - it understands where you are, what you need, and how to get you there fastest.

Adaptive Diagnostics
Adaptive Diagnostics
Leyaa identifies which of the 141 patterns you've mastered and which need work - before you waste time on what you already know.
Pattern-Level Precision
Pattern-Level Precision
Every pattern gets a verdict - Learn, Practice, or Skip - so your study time goes exactly where it counts.
Intelligent Pacing
Intelligent Pacing
Leyaa reads your velocity across the whole course and adapts your focus list dynamically, keeping you in the optimal learning zone.
Before & After Visibility
Before & After Visibility
Every assessment creates a snapshot. Retake anytime to see exactly how much you've grown - topic by topic, pattern by pattern.
Learner Autonomy
Learner Autonomy
Leyaa recommends, never restricts. Override any suggestion and explore at your own pace - the system tracks everything regardless.
Clear Learning Path
Clear Learning Path
Foundations → Intermediate → Advanced - a structured journey where each part sets you up perfectly for the next.
FastAPI

Ready to master FastAPI?
Start your journey today

Start your diagnostic now. Build mastery across all 18 topics in under 15 minutes.

18 Topics
141 Patterns
Personalized roadmap
Leyaa Swift Bird