DEV Community

FastAPI

The official tag for the FastAPI framework.

Posts

👋 Sign in for the ability to sort posts by relevant, latest, or top.
Building Ethereum Wallet Authentication with FastAPI and Web3.py

Building Ethereum Wallet Authentication with FastAPI and Web3.py

5
Comments
4 min read
Building a Chatbot API From Scratch - Part 3: UUID Migration, Product Search, and Tests That Caught a Real Bug

Building a Chatbot API From Scratch - Part 3: UUID Migration, Product Search, and Tests That Caught a Real Bug

Comments
6 min read
LLM-Native APIs: How the Runtime behind REST Changed Fundamentally in 2026

LLM-Native APIs: How the Runtime behind REST Changed Fundamentally in 2026

Comments
9 min read
How to Structure a FastAPI Application

How to Structure a FastAPI Application

7
Comments 1
5 min read
Why Your OpenAI Wrapper Is Costing Too Much (And How LangGraph Fixes It)

Why Your OpenAI Wrapper Is Costing Too Much (And How LangGraph Fixes It)

Comments 2
3 min read
A Database Is Not an API

A Database Is Not an API

Comments
3 min read
Feature Flags in Python: Django, FastAPI & Flask Guide

Feature Flags in Python: Django, FastAPI & Flask Guide

Comments
9 min read
I built and deployed an IP Geolocation API from scratch in one day — here's the full stack

I built and deployed an IP Geolocation API from scratch in one day — here's the full stack

Comments
1 min read
How I built my own MyAnimeList alternative in Python (FastAPI + SQLite)

How I built my own MyAnimeList alternative in Python (FastAPI + SQLite)

12
Comments
4 min read
Beyond Prompting: Building a 4-Stage LLM Compiler with Surgical Self-Repair

Beyond Prompting: Building a 4-Stage LLM Compiler with Surgical Self-Repair

Comments 1
3 min read
How I Built a Programmatic SEO Site with 16,750 Pages Using FastAPI and PostgreSQL

How I Built a Programmatic SEO Site with 16,750 Pages Using FastAPI and PostgreSQL

Comments
5 min read
The Pipeline Nobody Builds After DESeq2 Finishes

The Pipeline Nobody Builds After DESeq2 Finishes

1
Comments
12 min read
Build an LLM Router with pydantic-ai: Route Prompts to the Cheapest Model

Build an LLM Router with pydantic-ai: Route Prompts to the Cheapest Model

Comments 2
2 min read
I cleaned up the operator view of my CSV intake console #6

I cleaned up the operator view of my CSV intake console #6

Comments
2 min read
Building AI Agents: Scratch vs. Agent-Service-Toolkit

Building AI Agents: Scratch vs. Agent-Service-Toolkit

Comments
6 min read
👋 Sign in for the ability to sort posts by relevant, latest, or top.