> ## Documentation Index
> Fetch the complete documentation index at: https://openrouter.ai/docs/llms.txt
> Use this file to discover all available pages before exploring further.

# Metric

## Fields

| Field | Type | Required | Description | Example |
| - | - | - | - | - |
| `display_format` | [operations.DisplayFormat](../operations/displayformat.mdx) | :heavy\_check\_mark: | How this metric value should be formatted for display (e.g. percent → multiply by 100 and append %, currency → prefix with \$) | number |
| `display_label` | *str* | :heavy\_check\_mark: | Human-readable label | Request Count |
| `is_rate` | *bool* | :heavy\_check\_mark: | Whether this metric is a rate/ratio (averaged, not summed) | |
| `name` | *str* | :heavy\_check\_mark: | Metric identifier used in query requests | request\_count |