---
title: "Rest PKI on-premises"
description: "Hosting your own Rest PKI instance when you cannot use the cloud service: Windows Server and Azure App Service are supported, Linux uses PKI Express."
canonical: "https://docs.lacunasoftware.com/en-us/articles/rest-pki/on-premises"
locale: "en"
product: "Rest PKI (legacy)"
last_updated: "2026-07-14"
---

# Rest PKI on-premises

If for any reason you can't or won't use a cloud service, you can also host your own instance of [Rest PKI](https://docs.lacunasoftware.com/en-us/articles/rest-pki) on your
premises. See the [product's commercial information](https://www.lacunasoftware.com/en/home/certificate#/rest) for more
details.

## Supported platforms

Rest PKI is compatible with:

* [Windows Server](https://docs.lacunasoftware.com/en-us/articles/rest-pki/on-premises/windows-setup)
* [Azure App Service](https://docs.lacunasoftware.com/en-us/articles/rest-pki/on-premises/azure-setup)

> **Note**
>
> For Linux environments, we recommend using [PKI Express](https://docs.lacunasoftware.com/en-us/articles/pki-express) instead

Click on one of the platforms above for specific setup instructions.

## See also

* [Right-sizing guide](https://docs.lacunasoftware.com/en-us/articles/rest-pki/on-premises/sizing)
* [Configure Timestamping](https://docs.lacunasoftware.com/en-us/articles/rest-pki/on-premises/configure-timestamping)