> ## Documentation Index
> Fetch the complete documentation index at: https://openrouter-d02e98a0-speakeasy-sdk-regen-1790796026.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# EndUser

## Example Usage

```typescript theme={null}
import { EndUser } from "@openrouter/sdk/models";

let value: EndUser = {
  createdAt: new Date("2026-09-16T12:00:00Z"),
  isActive: true,
  updatedAt: new Date("2026-09-16T12:00:00Z"),
  user: "employee_123",
};
```

## Fields

| Field | Type | Required | Description | Example |
| - | - | - | - | - |
| `createdAt` | [Date](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date) | :heavy\_check\_mark: | Registration creation time. | 2026-09-16T12:00:00Z |
| `isActive` | *boolean* | :heavy\_check\_mark: | Whether this registration is active. Not an inference authorization decision. | true |
| `updatedAt` | [Date](https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date) | :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 |