{
  "$schema": "http://json-schema.org/draft-07/schema#",
  "$id": "https://api-evangelist.github.io/smartproxy/json-schema/smartproxy-sub-user-schema.json",
  "title": "Smartproxy Sub-User",
  "description": "A proxy sub-user account used for proxy authentication and traffic allocation within a Smartproxy account.",
  "type": "object",
  "properties": {
    "id": {
      "type": "string",
      "description": "Unique sub-user identifier"
    },
    "username": {
      "type": "string",
      "description": "Username used for proxy authentication"
    },
    "service_type": {
      "type": "string",
      "enum": ["residential", "datacenter", "mobile", "isp"],
      "description": "Proxy service type assigned to this sub-user"
    },
    "traffic_limit": {
      "type": ["number", "null"],
      "minimum": 0,
      "description": "Traffic limit in GB, null for unlimited"
    },
    "traffic_used": {
      "type": "number",
      "minimum": 0,
      "description": "Traffic consumed in GB during the current billing period"
    },
    "status": {
      "type": "string",
      "enum": ["active", "suspended", "deleted"],
      "description": "Current account status"
    },
    "created": {
      "type": "string",
      "format": "date-time",
      "description": "Account creation timestamp"
    }
  },
  "required": ["username", "service_type"]
}