curl --request GET \
  --url https://api.eu.bronto.io/integrations/slack/workspaces \
  --header 'X-BRONTO-API-KEY: <api-key>'

{
  "slack_workspaces": [
    {
      "id": "550e8400-e29b-41d4-a716-446655440000",
      "name": "brontotest"
    }
  ]
}