Instantly launch your Python API or Web App onYourName.thread4.eu
Build and deploy Python APIs or web apps in seconds — just like Flask, but fully hosted in the EU. No servers, no setup, no hassle. Create, update, and go live instantly!
🚀 Try now — No Signup Required!
Experience the full power of our platform for free! With a temporary account you can explore all features—no strings attached. Your account will automatically deleted after 1 hour.
Write Python
Just define a function — we handle the rest.
Deploy Instantly
Save and see it live on yourname.thread4.eu.
Scale with Ease
Built using FastAPI + Docker.
🧩 Explore Our Features

Feature | Description | |
---|---|---|
Gateway | Group your routes and functions together. | |
Routes | Define API endpoints and connect to your functions. | |
Functions | Write dynamic Python functions, update at runtime. | |
Documents | Store and manage your documents. | |
NoSQL Storage | Manage JSON blobs and key-value data. | |
Templating | Render dynamic content with Jinja2 templates. | |
Users | Manage users and authentication. |
⚙️ Our Technology Stack
Ruby on Rails
Modern Dashboard and Interface built with Ruby on Rails, Turbo and Hotwire.
Python
Powerful backend engine powered by Python and FastAPI for blazing fast performance.
PostgreSQL
Reliable and powerful open source relational database system.
ScyllaDB
Ultra-fast, scalable NoSQL database compatible with Apache Cassandra.
Traefik
Modern HTTP reverse proxy and load balancer made to deploy microservices with ease.
Docker
Containerize your applications and ensure consistent environments across development and production.
🌍 Hosted in Europe
All services are hosted and operated within Europe, ensuring compliance with EU data protection regulations.
Hetzner
High-performance and cost-effective hosting solutions based in Europe.
Domeneshop
Reliable domain and hosting services with a strong European presence.