> ## 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 | | --------------- | --------------------------------------------------------------------- | -------------------- | ------------------------------------------------------------------------------------------------------------------------------ | -------------- | | `DisplayFormat` | [operations.DisplayFormat](../../models/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 | | `DisplayLabel` | `string` | :heavy\_check\_mark: | Human-readable label | Request Count | | `IsRate` | `bool` | :heavy\_check\_mark: | Whether this metric is a rate/ratio (averaged, not summed) | | | `Name` | `string` | :heavy\_check\_mark: | Metric identifier used in query requests | request\_count |