---
title: Overview of the OpenToken Adapter
description: The OpenToken Adapter is an open-standard secure token used to pass user information between an application and PingFederate. The OpenToken is passed through the user's browser as a URL query parameter, HTTP cookie, or form POST.
component: java
page_id: java::pf_java_ik_overview_of_the_opentoken_adapter
canonical_url: https://docs.pingidentity.com/integrations/java/pf_java_ik_overview_of_the_opentoken_adapter.html
revdate: June 21, 2024
---

# Overview of the OpenToken Adapter

The OpenToken Adapter is an open-standard secure token used to pass user information between an application and PingFederate. The OpenToken is passed through the user's browser as a URL query parameter, HTTP cookie, or form POST.

Data within the OpenToken is a set of key and value pairs. The data is encrypted using common encryption algorithms, as shown in the following illustration:

![phj1563995420696](_images/phj1563995420696.jpg)

You can find more details in [OpenToken Adapter](https://docs.pingidentity.com/pingfederate/latest/administrators_reference_guide/pf_opentoken_adapt.html) in the PingFederate documentation.