List sub-orderpages from orderpage.
GET http://url_to_your_hostbill.com/admin/api.php?api_id=API_ID&api_key=API_KEY&call=getSubCategories&id=ID
{ "success": true, "subcategories": [ { "id": "148", "parent_id": "147", "contains": "products", "name": "Paris", "description": "France", "visible": "1", "slug": "paris", "sort_order": "122", "template": "onestep_cloud_2019", "ctype": "onestep", "ptype": "Shared", "lptype": "shared", "otype": "onestep_onestep_cloud_2019", "products": "5", "subcategories": "0", "ptype_id": "1" }, { "id": "149", "parent_id": "147", "contains": "products", "name": "Dallas", "description": "United States", "visible": "1", "slug": "dallas", "sort_order": "123", "template": "onestep_cloud_2019", "ctype": "onestep", "ptype": "Shared", "lptype": "shared", "otype": "onestep_onestep_cloud_2019", "products": "4", "subcategories": "0", "ptype_id": "1" }, { "id": "154", "parent_id": "147", "contains": "products", "name": "Frankfurt", "description": "Germany", "visible": "1", "slug": "frankfurt", "sort_order": "123", "template": "onestep_cloud_2019", "ctype": "onestep", "ptype": "Shared", "lptype": "shared", "otype": "onestep_onestep_cloud_2019", "products": "5", "subcategories": "0", "ptype_id": "1" } ], "call": "getSubCategories", "server_time": 1599565445 }