> ## Documentation Index
> Fetch the complete documentation index at: https://docs.stackone.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Connect Lightspeed Retail X-Series with OAuth 2.0 – StackOne Hub

> Link a Lightspeed Retail X-Series account in the StackOne Hub using OAuth 2.0. End-user guide to authorize the integration and start using Lightspeed Retail X-Series actions.

<Warning>The store subdomain (domain\_prefix) is required to connect to the right retailer.</Warning>

<section data-guide-section data-guide-scopes="">
  <h2>Find your store subdomain</h2>

  <p>Your store subdomain is the prefix of your X-Series store URL.</p>

  <Steps>
    <Step title="Locate the subdomain">
      <div data-guide-step data-guide-scopes="" data-guide-display-scopes-list="">
        <p>When logged into your Lightspeed Retail X-Series store, the URL is `https://<subdomain>.retail.lightspeed.app/`. The subdomain is everything before `.retail.lightspeed.app`.</p>

        <ul>
          <li>Example: for `https://my-store.retail.lightspeed.app/`, the subdomain is `my-store`</li>
          <li>Enter only the subdomain — do not include `.retail.lightspeed.app`</li>
          <li>The same value is returned as `domain_prefix` on the OAuth callback for verification</li>
        </ul>
      </div>
    </Step>
  </Steps>
</section>

<div data-whitelabel-hide>
  <h2>Linking the Account from the Hub</h2>

  <Steps>
    <Step title="Navigate to the Hub">
      Use one of the three <a href="/guides/accounts-section#linking-accounts">Linking Account Methods</a> to access the Hub.
    </Step>

    <Step title="Fill out the fields">
      Fill out the following fields using details from your provider:

      <ul>
        <li><strong>Store Subdomain</strong></li>
      </ul>
    </Step>

    <Step title="Connect">
      <ul>
        <li>Click <strong>Connect</strong></li>
        <li>If applicable, the provider will redirect you to a sign-in or authorization page. Complete the provider's authorization flow.</li>
        <li>Once authorization is successful, you will see a confirmation popup</li>
      </ul>
    </Step>
  </Steps>

  <p>If the account linking is successful, you will see the newly linked account in your <a href="/guides/accounts-section">Accounts</a> page.</p>
</div>