Ausweis.io keys can be used in the mobile application (in-app key), or in browser (in-web key). In order to use in-app key your guest need to install the Ausweis.io application. In-web key is a regular web link, the guest will be able to open the door (barrier / turnstile, etc.) by clicking on the link.

The key may be:

1. unlimited key without a schedule - it is activated until the owner or administrator blocks it. This type of key can be used at any time.

2. unlimited key with a schedule - it is activated until the owner or administrator blocks it.This type of key can be used at a specific time.

3. limited key without a schedule - it has a set start and end activity. This type of key can be used at any time during this period.

4. limited key with the schedule - has a set start and end activity.This type of key can be used at a specific time.

5. single-use key, it allows the guest to open the door once, only at a specific time.