#FastAPI
16 related articles
Building Multilingual Full-Text Search with FastAPI and PostgreSQL
The LectuLibre team shares architecture lessons for multilingual full-text search on FastAPI + PostgreSQL: normalized translation tables, generated tsvector columns, GIN indexes, and pg_trgm fuzzy matching, cutting search latency from 800ms to 20-40ms.
LangGraph + FastAPI + SSE: A Practical Guide to Building Streaming AI Agents
A hands-on tutorial on building streaming AI agents with LangGraph, FastAPI, and SSE: covering separation of agent orchestration and API transport, Open-Meteo tool integration, SSE streaming responses, and production gaps in persistence, idempotency, and observability.
LLM Streaming to the Browser: Buffering Pitfalls with FastAPI and SSE
LLM streaming works in the terminal but not the browser? This guide covers FastAPI+SSE relay, Nginx buffering, Gzip, Serverless, CDN pitfalls, and a curl debug method.
Core API Skills Every Python Developer Should Master
Master the core API skills every Python developer needs: JSON handling, auth, rate limits, error codes on the consumer side, plus building type-safe APIs with FastAPI, Django, and Flask.
JalOS Deep Dive: Building a Predictive Water Management Platform with FastAPI, Flutter, React, and AWS
JalOS is an AI-powered predictive water management platform built with FastAPI, Flutter, React, and AWS. Explore its three-tier architecture, Ridge Regression forecasting, water duration estimation, and Terraform + GitHub Actions OIDC deployment.
LLM App Development in Practice: Setting Up a Multi-Turn Conversation & Streaming App Project from Scratch
Stage 3 LLM app development tutorial: from scripts to engineering. Complete walkthrough of source setup, MySQL config, Python venv, FastAPI backend, and Vue frontend.
FastAPI Lesson 1: Understanding Frontend-Backend Separation and RESTful APIs
FastAPI tutorial lesson 1: learn the difference between coupled and decoupled web architectures, what API interfaces are, and how RESTful conventions work — the foundation for mastering FastAPI.
TutorialsGetting Started with FastAPI: A Comprehensive Guide to Frontend-Backend Separation and RESTful API Core Concepts
A systematic guide to core concepts for FastAPI beginners, covering frontend-backend separation architecture, RESTful API design, and JSON data format advantages for Python developers.
TutorialsCrewAI Multi-Agent Collaboration in Practice: Core Concepts, Model Comparison & API Deployment
A deep dive into CrewAI's four core concepts for multi-agent collaboration, with hands-on FastAPI deployment and a comparison of GPT-4o-mini, Qwen MAX, and Llama 3.1.
TutorialsPractical Guide to Building Multi-Agent Collaborative Applications with CrewAI + FastAPI
Learn how to build a multi-Agent collaborative system with CrewAI and FastAPI. Covers Agent, Task, Crew concepts, GPT/Tongyi Qianwen/Ollama integration, with complete code examples and model comparisons.
TutorialsFastAPI Beginner Tutorial: Frontend-Backend Separation and RESTful API Core Concepts
FastAPI beginner essentials: Learn frontend-backend separation vs monolithic web development, RESTful API design principles, HTTP methods and resource operations mapping.
Tech FrontiersAI-Powered Development in Practice: A Complete Retrospective on Turning an Idea into a Multi-Platform Product in 3 Days
A developer used AI coding tools to take a Basic English concept from web app to Android launch in 3 days. A breakdown of FastAPI architecture and AI-assisted dev workflows.
TutorialsLangChain AI Agent in Practice: Complete Tutorial on Streaming Output + Parallel Tool Calling
Learn how to build a production-grade AI Agent chat app with LangChain and FastAPI, covering streaming tokens, asyncio parallel tool calling, SerpAPI async conversion, and structured output.
TutorialsFastAPI Beginner's Guide: Four Core Advantages and ASGI Architecture Explained
Deep dive into FastAPI's four core advantages: high-performance async IO, type hints, automatic API docs, and ease of use. Learn the CGI to WSGI to ASGI protocol evolution.
Product ReviewsSkill-Agent: A Production-Grade AI Agent Framework Built on FastAPI with 100+ LLM Support
Deep dive into Skill-Agent, an open-source FastAPI framework integrating 100+ LLM providers, MCP tool protocol, multi-agent collaboration, RAG knowledge base, and sandbox execution for enterprise AI Agent development.
TutorialsLangGraph E-commerce AI Agent in Practice: From RAG Q&A to Automated Return Workflows
Deep dive into the E-commerce-Smart-Agent open-source framework built with LangGraph and FastAPI, covering RAG knowledge base Q&A, return workflow automation, and graph-based orchestration.