curl --request GET \
  --url https://api.app.layer.ai/api/v1/workspaces \
  --header 'Authorization: Bearer <token>'

{
  "workspaces": [
    {
      "workspace_id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
      "slug": "<string>",
      "name": "<string>",
      "balance_creative_units": 123,
      "reserved_creative_units": 123,
      "available_creative_units": 123,
      "last_active_at": "2023-11-07T05:31:56Z"
    }
  ],
  "pagination": {
    "has_more_results": true,
    "next_cursor": "<string>",
    "total_count": 123
  }
}