To persist items to repository using web AdminUI you should navigate to http://<machine_hostname>:8080/admin/
url. Afterwards open group Configuration
from the menu on the left. In the list of commands you should click on:
Persist API keys items configuration
to store HTTP-API component’s api-keysPersist item configuration
on all remaining components which configuration items should be saved.
After correctly storing items a confirmation screen with Operation successful
message should appear.