---
title: "Checking the version of Lacuna TSA"
description: "How to check the installed version of an on-premises Lacuna TSA instance by opening the api/system/info URL in a browser and reading the JSON."
canonical: "https://docs.lacunasoftware.com/en-us/articles/tsa/on-premises/check-version"
locale: "en"
product: "TSA"
last_updated: "2026-10-12"
---

# Checking the version of Lacuna TSA

In order to check the installed version of your [on premises instance](https://docs.lacunasoftware.com/en-us/articles/tsa/on-premises) of [Lacuna TSA](https://docs.lacunasoftware.com/en-us/articles/tsa),
access the following URL from a web browser:

```text
https://your-tsa-address/api/system/info
```

Example: https://tsa.lacunasoftware.com/api/system/info

The system will return a JSON with the version, for instance:

```json
{"productName":"Lacuna TSA","productVersion":"1.x.x"}
```

## See also

* [Updating Lacuna TSA on Linux](https://docs.lacunasoftware.com/en-us/articles/tsa/on-premises/linux/update)