> ## 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.

# EndUser

## Fields

| Field | Type | Required | Description | Example |
| - | - | - | - | - |
| `CreatedAt` | [time.Time](https://pkg.go.dev/time#Time) | :heavy\_check\_mark: | Registration creation time. | 2026-09-16T12:00:00Z |
| `IsActive` | `bool` | :heavy\_check\_mark: | Whether this registration is active. Not an inference authorization decision. | true |
| `UpdatedAt` | [time.Time](https://pkg.go.dev/time#Time) | :heavy\_check\_mark: | Last registration lifecycle update time. | 2026-09-16T12:00:00Z |
| `User` | `string` | :heavy\_check\_mark: | Immutable case-sensitive tracking string supplied as user on inference requests. URL-encode it in resource paths. | employee\_123 |