# Allowed Hosts

Restrict which websites can call your flows by configuring the allowed hosts.

{% hint style="warning" %}
This is not a security feature, if you would like to secure a flow, please refer to the [auth integrations](/authentication/overview.md).
{% endhint %}

## URL Format

```
https://www.example.com
```

{% hint style="info" %}
Hosts must not include a trailing slash.
{% endhint %}

## Multiple allowed hosts

To add multiple allowed hosts, separate your URLs using `,` .

```
https://www.example.com, https://example.webflow.io
```


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.alphi.dev/projects/allowed-hosts.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.