> ## 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.

# Validation

Where tool-call arguments are checked against the original schema. Only `runtime` (in OpenRouter) is available in this release.

## Example Usage

```python theme={null}
from openrouter.components import Validation
value: Validation = "runtime"
```

## Values

* `"runtime"`