curl --request GET \
  --url https://console.vast.ai/api/v0/workergroups/ \
  --header 'Authorization: Bearer <token>'

{
  "success": true,
  "results": [
    {
      "id": 123,
      "min_load": 1,
      "target_util": 0.9,
      "cold_mult": 3,
      "test_workers": 3,
      "template_hash": "abc123def456",
      "template_id": 456,
      "search_query": "verified=true rentable=true rented=false",
      "launch_args": "--env VAR=value",
      "gpu_ram": 24,
      "endpoint_name": "my_endpoint",
      "endpoint_id": 789,
      "api_key": "your_api_key_here",
      "created_at": "2023-10-01T12:00:00Z",
      "user_id": 456
    }
  ]
}