To become a Nuki Box beta tester send us an email with your Box ID to contact@nuki.io.
You can see your Box ID on the label of the Box where you also got it during setup. You can also provide the ID from the Nuki Web detail page URL for a Box.
Note:
Do not post private details like IDs of devices or your Apple ID here, but only send these via E-Mail or as a private message to a Nuki team member.