> For the complete documentation index, see [llms.txt](https://docs.ekstremac.com/company/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ekstremac.com/company/developers/microservices/authentication.md).

# Authentication

Service that will authenticate and recognise our users.

### Social Auth

To increase the security of our users, we rely on well-known user authorization services:

* Google
* Facebook
* Linkedin

### User types

There are three user types in our system:

* Adventurer
* Business
* Partner

\[[Read more about user types](/company/developers/microservices/user-types.md)]