Building your first REST API with FastAPI
A practical, opinionated walkthrough of going from `pip install fastapi` to a deployable API in an afternoon.
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Hi,I'mZinsuSezonsu.
> Backend Engineer · CS Student · zinsu.dev
I build APIs, backend systems, and real products with Python and FastAPI.
Python
FastAPI
PostgreSQL
REST APIs
terminal
$
scroll
// about api
Read the profile like an endpoint.
A cleaner, quieter presentation for the profile payload. No sticky fade, just a terminal-style response that lands and hands off to the rest of the page.
terminal
$
// about
Backend by craft. Curious by default.
I'm a Computer Science student who fell in love with backend work — the part of the system nobody sees, but everything depends on. I write Python and FastAPI for a living mind, and I'm picking up JavaScript on the side so the front end stops feeling like a foreign country.
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Shipped projects
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REST endpoints in prod
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Coffee uptime
Tech stack
Built on tools that stay out of the way.
Python
FastAPI
PostgreSQL
REST APIs
SQL
Docker
Alembic
Pytest
Git
Linux
// projects
// writing
From the blog.
// contact
Got a backend that needs taming? An API that needs designing? I'm one email away.