Id is always the same, but it's documented to be unique.
For example:
"id": "fh-sync-server"
...
"id": "fh-sync-server"
IMHO this should represent actual unique id of the service.
Example:
"id": "ag34hgn4g",
"name": "Dedicated keycloak instance",
"type": "keycloak",
...
"id": "daf3gs3a",
"name": "My organization Keycloak ",
"type": "keycloak",