> For the complete documentation index, see [llms.txt](https://docs.encedo.com/hem-api/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.encedo.com/hem-api/preliminary.md).

# Preliminary

- [Quick Start](https://docs.encedo.com/hem-api/preliminary/quick-start.md): In order to start working with Encedo HEM, three basic steps need to be done. Here is a short guide on what and how :)
- [General information](https://docs.encedo.com/hem-api/preliminary/general-information.md): This section describes basic and general information regards API references, access control, response and error codes.
- [End-of-Life](https://docs.encedo.com/hem-api/preliminary/end-of-life.md): End-of-Life (EOL) and Secure Disposal of the Encedo HEM.