> ## 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 Zoho Books with OAuth 2.0 – StackOne Hub

> Link a Zoho Books account in the StackOne Hub using OAuth 2.0. End-user guide to authorize the integration and start using Zoho Books actions.

<Warning>You must have an active Zoho Books organization before connecting.</Warning>

<section data-guide-section data-guide-scopes="">
  <h2>Find Your Organization ID</h2>

  <p>Retrieve your Zoho Books Organization ID required for all API calls.</p>

  <Steps>
    <Step title="Sign in to Zoho Books">
      <div data-guide-step data-guide-scopes="" data-guide-display-scopes-list="">
        <p>Sign in to your Zoho Books account for your region.</p>

        <ul>
          <li>AU: <a href="https://books.zoho.com.au" target="_blank" rel="noopener noreferrer">Zoho Books Australia</a></li>
          <li>CA: <a href="https://books.zohocloud.ca" target="_blank" rel="noopener noreferrer">Zoho Books Canada</a></li>
          <li>CN: <a href="https://books.zoho.com.cn" target="_blank" rel="noopener noreferrer">Zoho Books China</a></li>
          <li>EU: <a href="https://books.zoho.eu" target="_blank" rel="noopener noreferrer">Zoho Books Europe</a></li>
          <li>IN: <a href="https://books.zoho.in" target="_blank" rel="noopener noreferrer">Zoho Books India</a></li>
          <li>JP: <a href="https://books.zoho.jp" target="_blank" rel="noopener noreferrer">Zoho Books Japan</a></li>
          <li>SA: <a href="https://books.zoho.sa" target="_blank" rel="noopener noreferrer">Zoho Books Saudi Arabia</a></li>
          <li>US: <a href="https://books.zoho.com" target="_blank" rel="noopener noreferrer">Zoho Books United States</a></li>
        </ul>
      </div>
    </Step>

    <Step title="Locate Organization ID">
      <div data-guide-step data-guide-scopes="" data-guide-display-scopes-list="">
        <p>Find the Organization ID in your Zoho Books account settings.</p>

        <ul>
          <li>Click the <strong>Settings</strong> icon (gear icon) in the top navigation</li>
          <li>Select <strong>Organization Profile</strong></li>
          <li>Copy the <strong>Organization ID</strong> displayed on the page</li>
        </ul>
      </div>
    </Step>
  </Steps>
</section>

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

  <p>Sign in to your Zoho Books account and check the domain in your browser address bar to identify your data center.</p>

  <ul>
    <li><strong>United States (US)</strong> — `books.zoho.com`</li>
    <li><strong>Europe (EU)</strong> — `books.zoho.eu`</li>
    <li><strong>India (IN)</strong> — `books.zoho.in`</li>
    <li><strong>India Exclusive (INEC)</strong> — `books.zohohq.in`</li>
    <li><strong>Australia (AU)</strong> — `books.zoho.com.au`</li>
    <li><strong>Japan (JP)</strong> — `books.zoho.jp`</li>
    <li><strong>Singapore (SG)</strong> — `books.zoho.sg`</li>
    <li><strong>Canada (CA)</strong> — `books.zohocloud.ca`</li>
    <li><strong>Saudi Arabia (SA)</strong> — `books.zoho.sa`</li>
    <li><strong>United Kingdom (UK)</strong> — `books.zoho.uk`</li>
  </ul>
</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>Data Center</strong></li>
        <li><strong>Organization ID</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>