---
title: "GrantID"
description: "GrantID adds Single Sign On, multiple authentication factors and analytics to your apps, as a service (SaaS) or on-premises."
canonical: "https://docs.lacunasoftware.com/en-us/articles/grant-id"
locale: "en"
product: "GrantID"
last_updated: "2026-07-14"
---

# GrantID

GrantID adds security to your apps with Single Sign On, Multiple Authentication Factors and powerful analytics.

> **Note**
>
> The documentation for this system is currently under construction. We apologize for any inconvenience this may cause. Please
> contact us if there's any information you need that is not currently documented.

## Key features

* **OAuth 2.0 & OpenId Connect** - Full compliance with the OAuth 2.0 and OpenId connect specifications
* **Single Sign On** - Integrate your applications and increase productivity by having a unique identity

## On-premises

GrantID can be used as a service (SaaS) at [grantid.com](https://grantid.com) or you can host your own instance. See the
article [GrantID on-premises](https://docs.lacunasoftware.com/en-us/articles/grant-id/on-premises) for more information.