> For the complete documentation index, see [llms.txt](https://docs.hostinger.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.hostinger.com/api-reference/endpoints/mail/aliases/create-alias.md).

# Create alias

Create an alias for the given mailbox. The alias address is formed from the given local part and the domain of the mailbox. Messages sent to the alias are delivered to the mailbox.

{% openapi src="<https://developers.hostinger.com/openapi/openapi.json>" path="/api/mail/v1/mailboxes/{mailboxId}/aliases" method="post" %}
<https://developers.hostinger.com/openapi/openapi.json>
{% endopenapi %}