Dashboard HTTP API | Grafana Labs
https://grafana.com/docs/grafana/latest/http_api/dashboardThe unique identifier (uid) of a dashboard can be used for uniquely identify a dashboard between multiple Grafana installs. It’s automatically generated if not provided when creating a dashboard. The uid allows having consistent URLs for accessing dashboards and when syncing dashboards between multiple Grafana installs, see dashboard provisioning for more information.