curl --request GET \
  --url https://demo.onlinebillingform.com/api/v1/package/group/lists \
  --header 'token: <token>'

{
  "success": true,
  "groups": [
    {
      "id": 20,
      "user_id": 1,
      "name": "Test Group",
      "description": "Test Group Description",
      "url": "test-group",
      "type": 3,
      "api_type": "sandbox",
      "created_at": "2021-04-09 19:40:31",
      "updated_at": "2021-04-09 19:40:31",
      "deleted_at": null,
      "visible": "0"
    },
    {
      "id": 23,
      "user_id": 1,
      "name": "Test Group Update",
      "description": "Test Group Description Update",
      "url": "test-group-update",
      "type": 3,
      "api_type": "sandbox",
      "created_at": "2021-04-09 19:46:46",
      "updated_at": "2021-04-09 19:46:46",
      "deleted_at": null,
      "visible": "0"
    }
  ]
}