FastAPI - Python Web Framework
What is FastAPI?
FastAPI is a modern, high-performance web framework for building APIs with Python 3.6+, created by Sebastián Ramírez. It is known for top-tier performance among Python frameworks, automatic documentation, and native support for async/await.
Benefits of FastAPI for API Projects
Why is FastAPI revolutionizing API development in Python? Key advantages of the fastest Python framework.
Drawbacks of FastAPI – An Honest Assessment
The limitations and challenges of FastAPI in enterprise projects – what you should know before adopting it.
What is FastAPI Used For?
The main use cases of FastAPI in 2025 – REST APIs, microservices, ML APIs, with practical examples.
REST APIs and GraphQL
High-performance REST APIs, GraphQL endpoints, OpenAPI documentation
Uber internal APIs, Microsoft APIs, Netflix ML models
Microservices and Distributed Architecture
Lightweight microservices, service mesh, asynchronous communication
Banking APIs, e-commerce backends, IoT platforms
Machine Learning APIs
Deploying ML models, real-time predictions, batch processing
Computer vision APIs, NLP services, recommendation engines
High-Performance Asynchronous Applications
Real-time applications, WebSocket handling, streaming data
Chat applications, live dashboards, real-time analytics
FastAPI Projects – SoftwareLogic.co
Our high-performance APIs and FastAPI microservices running in production.
Desktop application with AI features
Users were losing time on manual categorization of activities and projects
We created an Electron application with AI that automatically recognizes activities and categorizes projects
Automatic categorization of 90% activities, 60% less time on administration
Automated order cost analysis
Hundreds of thousands of orders monthly, no fast tool for analyzing Allegro costs and commissions
We built an API that automatically retrieves and processes cost data from multiple Allegro stores
Full automation of financial data, elimination of manual work, faster business decisions
FAQ: FastAPI – Frequently Asked Questions
Complete answers to the most common questions about the FastAPI framework.