> For the complete documentation index, see [llms.txt](https://docs.ostara.dev/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ostara.dev/documentation/authentication-settings/types/query-string.md).

# Query String

The `Query String` authentication type adds a query string parameter with the given `Key` and `Value`, it requires the following parameters:

| Name    | Description                        |
| ------- | ---------------------------------- |
| `Key`   | The key of the parameter           |
| `Value` | The value to use for the parameter |


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