# OpenSky API Documentation We are using [Sphinx](http://www.sphinx-doc.org/). The latest compiled version of this documentation is accessible [here](https://opensky-network.org/apidoc) ## Build[1](#fn1) If you need to build the docs, follow these steps: 1. Install Sphinx with your package manager or any other method described [here](http://www.sphinx-doc.org/en/stable/install.html). apt-get install python-sphinx 2. Install the [Read the Docs Theme](https://github.com/snide/sphinx_rtd_theme) pip install sphinx_rtd_theme 3. Create the Sphinx documentation and Javadoc[2](#fn2) make The results can be found in ``free/_build/html``. [1]: Package installation examples for Ubuntu [2]: If you don't have ```make``` or ```maven```: ```apt-get install build-essential maven```