> ## 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. # GetGuardrailRequest ## Example Usage ```typescript theme={null} import { GetGuardrailRequest } from "@openrouter/sdk/models/operations"; let value: GetGuardrailRequest = { id: "550e8400-e29b-41d4-a716-446655440000", }; ``` ## Fields | Field | Type | Required | Description | Example | | --------------- | -------- | -------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------- | ------------------------------------ | | `httpReferer` | *string* | :heavy\_minus\_sign: | The app identifier should be your app's URL and is used as the primary identifier for rankings.
This is used to track API usage per application.
| | | `appTitle` | *string* | :heavy\_minus\_sign: | The app display name allows you to customize how your app appears in OpenRouter's dashboard.
| | | `appCategories` | *string* | :heavy\_minus\_sign: | Comma-separated list of app categories (e.g. "cli-agent,cloud-agent"). Used for marketplace rankings.
| | | `id` | *string* | :heavy\_check\_mark: | The unique identifier of the guardrail to retrieve | 550e8400-e29b-41d4-a716-446655440000 |