---
title: "Service: /about [GET]"
source: https://dev.pageseeder.com/api/services/about_get.html
description: "The /about [GET] service returns system information including database table version, JVM details, OS information, server version, and libraries in use. Requires administrator permission."
last_updated: 2026-09-08T14:08:12+10:00
document_type: api_endpoint
operation_id: system-GET
resource_id: system
path_template: /about
http_method: GET
api_category: system
implementation_version: 6.3000
api_since: 5.6009
deprecated_since: null
obsolete_since: null
api_support: experimental
cache_control: max-age=60, must-revalidate
generated_at: 2026-09-02
tokens: ~477
---

# /about \[GET\]

## Description

This service returns information about the system, including the database table version and libraries in use.

To know the PageSeeder version, use the [/version \[GET\]](get-version_get.md) service.

## Parameters

No parameters required.

## Permission

This service requires administrator.

## Response

Returns HTTP 200.

### Response structure

The response contains nested objects for:

- `database` – database table version
- `jvm` – Java Virtual Machine name, vendor, info and version as reported by the `java.vm.*` Java system properties.
- `os` – operating system name, version and architecture as reported by the `os.*` Java system properties or `/etc/os-release` information on Linux
- `server` – servlet container information
- `libraries` – list of installed library extensions and versions

```xml
<about>
  <database tables-version="[table version]"/>
  <jvm name="[java.vm.name]"
       vendor="[java.vm.vendor]"
       info="[java.vm.info]"
       version="[java.vm.version]"/>
  <os name="[os.name]"
      version="[os.version]"
      arch="[os.arch]"/>
  <server info="[server version]"/>
  <libraries>
    <library version="[version]" extension="jar">[name]</library>
    ...
  </libraries>
</about>
```

### Example response

```xml
<about>
  <database tables-version="6.30"/>
  <jvm name="OpenJDK 64-Bit Server VM" 
     vendor="Red Hat, Inc." 
       info="mixed mode, sharing" 
    version="21.0.12.1+1-LTS"/>
  <os name="Rocky Linux" version="9.8 (Blue Onyx)" arch="amd64"/>
  <server info="Apache Tomcat/9.0.120"/>
  <libraries>
    <library version="6.3002" extension="jar">pageseeder-base</library>
    <library version="6.3002" extension="jar">pageseeder-common</library>
    <library version="6.3002" extension="jar">pageseeder-db</library>
    ...
  </libraries>
</about>
```

## Error Handling

No specific errors expected for this service.