> ## Documentation Index > Fetch the complete documentation index at: https://nango.dev/docs/llms.txt > Use this file to discover all available pages before exploring further. # Jira Data Center (Basic Auth) - How do I link my account? # Overview To authenticate with Jira Data Center (Basic Auth), you will need: 1. **Instance Base Url** - The root URL of your Jira Data Center instance. 2. **Username** - The username of a Jira account with the necessary permissions to access the data you want to connect with. 3. **Password** - The password associated with the above Jira account. This guide will walk you through finding your credentials and Instance Base URL within your Jira Data Center instance. ### Prerequisites: * You need to have an installed and accessible instance of Jira Data Center. ### Instructions: #### Step 1: Finding Your Instance Base Url 1. **Log in** to your Jira Data Center instance. 2. Look at the URL in your browser's address bar. Your **Instance Base URL** is the text before the first `/`, where the main part of the URL ends (e.g., [https://jira.yourcompany.net](https://jira.yourcompany.net)). #### Step 2: Finding Your Credentials 1. Use the **Username** and **Password** of a Jira account that has the appropriate permissions to access the data you want to connect with. #### Step 3: Enter credentials in the Connect UI Once you have your **Instance Base Url**, **Username** and **Password**: 1. Open the form where you need to authenticate with Jira Data Center (Basic Auth). 2. Enter your **Instance Base Url**, **Username** and **Password** in their designated fields. 3. Submit the form, and you should be successfully authenticated. You are now connected to Jira Data Center (Basic Auth).