---
title: "Metric object"
url: "https://help.internetx.com/en/api/core-metric-object/"
lang: "en"
section: "API reference — API reference (XML/JSON)"
breadcrumb: "API documentation (JSON/XML) > Objects"
updated: "2023-09-25"
---

# Metric object

## Description

The _Metric_ object indicates the number of characters in the second level domain.

## Structure

| Keyword JSON | Keyword XML | Occurs | Type | Format | Description |
| --- | --- | --- | --- | --- | --- |
| length |  | 0 - 1 | integer | int | Number of characters |