> ## Documentation Index
> Fetch the complete documentation index at: https://openrouter-d02e98a0-mintlify-7021d5f4.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# CreatePresetsChatCompletionsRequest - Python SDK

> CreatePresetsChatCompletionsRequest method reference

<Warning>
  The Python SDK and docs are currently in beta.
  Report issues on [GitHub](https://github.com/OpenRouterTeam/python-sdk/issues).
</Warning>

## Fields

| Field                      | Type                                                                               | Required             | Description                                                                                                                                                 | Example                                                                                                                                                                                                                                  |
| -------------------------- | ---------------------------------------------------------------------------------- | -------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `http_referer`             | *Optional\[str]*                                                                   | :heavy\_minus\_sign: | The app identifier should be your app's URL and is used as the primary identifier for rankings.<br />This is used to track API usage per application.<br /> |                                                                                                                                                                                                                                          |
| `x_open_router_title`      | *Optional\[str]*                                                                   | :heavy\_minus\_sign: | The app display name allows you to customize how your app appears in OpenRouter's dashboard.<br />                                                          |                                                                                                                                                                                                                                          |
| `x_open_router_categories` | *Optional\[str]*                                                                   | :heavy\_minus\_sign: | Comma-separated list of app categories (e.g. "cli-agent,cloud-agent"). Used for marketplace rankings.<br />                                                 |                                                                                                                                                                                                                                          |
| `slug`                     | *str*                                                                              | :heavy\_check\_mark: | URL-safe slug identifying the preset. Created if it does not exist.                                                                                         | my-preset                                                                                                                                                                                                                                |
| `chat_request`             | [components.ChatRequest](/client-sdks/python/api-reference/components/chatrequest) | :heavy\_check\_mark: | N/A                                                                                                                                                         | `{"max_tokens": 150,"messages": [{"content": "You are a helpful assistant.","role": "system"}`,<br />`{"content": "What is the capital of France?","role": "user"}`<br />],<br />"model": "openai/gpt-4",<br />"temperature": 0.7<br />} |