> ## 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.

# WebSearchEngine

The search engine to use for web search.

## Example Usage

```python theme={null}
from openrouter.components import WebSearchEngine

# Open enum: unrecognized values are captured as UnrecognizedStr
value: WebSearchEngine = "native"
```

## Values

This is an open enum. Unrecognized values will not fail type checks.

* `"native"`
* `"exa"`
* `"firecrawl"`
* `"parallel"`
* `"perplexity"`