CadetX
CadetX
CX Learn
Building Data APIs with FastAPI
API & Backend Engineering

Learn FastAPI Online Free: Interactive Python API Course with Certificate

Build and deploy high-performance REST APIs for machine learning models using FastAPI. Learn request validation, asynchronous programming, and API documentation to earn a free certificate.

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CadetX Learning
This is presented toCadetX StudentFor completing Building Data APIs with FastAPI course
Batch: CX-API_01Date: 2 Nov 2026
Certificate Included

Course Curriculum

10 interactive lessons with real-time autograding

1
Module 1

Introduction to FastAPI

Modern Python APIs, async foundations, Swagger docs, and first route.

2
Module 2

Path & Query Parameters

Route parameters, type validation, query strings, and optional fields.

3
Module 3

Request Bodies & Pydantic

Data schemas with BaseModel, Field validation, and nested structures.

4
Module 4

Responses & Errors

Status codes, response_model, HTTPException, and custom error handlers.

5
Module 5

Building a CRUD API

Complete Create, Read, Update, Delete resource lifecycle.

6
Module 6

Dependencies

FastAPI Depends system, code reuse, auth checks, and database sessions.

7
Module 7

Databases & SQLModel

Connecting to SQLite/PostgreSQL with SQLModel and async sessions.

8
Module 8

Authentication & Security

OAuth2 with Password flow, JWT tokens, and password hashing.

9
Module 9

Testing FastAPI

Pytest, TestClient, API test fixtures, and status assertions.

10
Module 10

Serving ML Models

Loading scikit-learn/onnx models, inference endpoints, and Dockerization.