curl --request GET \
  --url https://eu1.api.matillion.com/dpc/v1/directory-integration/scim/v2/Groups \
  --header 'Authorization: Bearer <token>'

{
  "pageRequest": {
    "count": 123,
    "startIndex": 123
  },
  "resources": [
    "<unknown>"
  ],
  "totalResults": 123
}