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Why I Started Learning FastAPI in 2026
Vaibhavi Nai · 2026-05-25 · via DEV Community

Why I Started Learning FastAPI in 2026 🚀

I wanted to learn backend development in Python, but choosing the right framework felt overwhelming. Flask was simple and beginner-friendly, Django looked powerful but huge, and then I discovered FastAPI.

At first, I kept seeing developers talk about how fast and modern FastAPI felt compared to older Python frameworks. The more I explored it, the more interested I became.

As someone who already knew basic Python, I wanted a framework that would help me:

build real APIs,

understand backend development properly,
and learn modern development practices without too much boilerplate code.

That’s exactly what FastAPI seemed to offer.

Why FastAPI Caught My Attention

After spending some time exploring it, here are the main reasons why I decided to start learning FastAPI in 2026.

⚡ Speed & Performance

FastAPI is known for being one of the fastest Python web frameworks. Since modern applications rely heavily on APIs, performance matters a lot.

🧠 Modern Python Features

One thing I immediately liked was how FastAPI uses Python type hints.

The syntax feels clean and easy to understand:

from fastapi import FastAPI

`app = FastAPI()

@app.get("/")
def home():
return {"message": "Hello FastAPI"}`

Even this small example already looks simple and readable.

📄 Automatic API Documentation

One of the coolest things about FastAPI is that it automatically generates API documentation using Swagger UI and ReDoc.

Just by running the server, you instantly get:

/docs
/redoc

This felt incredibly beginner-friendly.

🔥 Growing Popularity

I also noticed that many modern startups, AI tools, and backend systems are using FastAPI because of:

async support,
performance,
clean architecture,
and developer productivity.

Since APIs are everywhere today, learning FastAPI felt like a practical skill to invest time in.

What I Plan to Learn

I’m starting a FastAPI learning journey where I’ll document everything step by step — from beginner concepts to advanced backend development.

Some topics I plan to cover:

Building REST APIs
CRUD operations
Request validation with Pydantic
Authentication with JWT
Database integration
Async programming
Docker & deployment
Production-ready project structure

Learning in Public

Instead of waiting until I become an “expert,” I decided to start writing while learning.

I think documenting the process will help me:

understand concepts better,
stay consistent,
and hopefully help other beginners who are learning backend development too.

Final Thoughts

Starting backend development can feel confusing at first, especially when there are so many frameworks and technologies to choose from.

But FastAPI feels like a great balance between:

simplicity,
modern features,
and real-world backend development.

I’m excited to see where this journey goes.

If you’re also learning Python backend development in 2026, feel free to follow along 🚀

Next Article

👉
Building My First API with FastAPI