> ## 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. # ListModelsCountRequest ## Example Usage ```typescript theme={null} import { ListModelsCountRequest } from "@openrouter/sdk/models/operations"; let value: ListModelsCountRequest = {}; ``` ## 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.
| | | `outputModalities` | *string* | :heavy\_minus\_sign: | Filter models by output modality. Accepts a comma-separated list of modalities (text, image, embeddings, audio, video, rerank, speech, transcription) or "all" to include all models. Defaults to "text". | text |