> ## 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 Duo Security with HMAC-SHA1 Signing – StackOne Hub

> Link a Duo Security account in the StackOne Hub using HMAC-SHA1 Signing. End-user guide to authorize the integration and start using Duo Security actions.

<Warning>Only users with the Owner role can create or modify Admin API applications in the Duo Admin Panel.</Warning>

<section data-guide-section data-guide-scopes="">
  <h2>Create an Admin API Application</h2>

  <p>To connect Duo with StackOne, create an Admin API application in the Duo Admin Panel.</p>

  <Steps>
    <Step title="Sign in to Duo Admin Panel">
      <div data-guide-step data-guide-scopes="" data-guide-display-scopes-list="">
        <p>Sign in to your <a href="https://admin.duosecurity.com" target="_blank" rel="noopener noreferrer">Duo Admin Panel</a>.</p>
      </div>
    </Step>

    <Step title="Navigate to Applications">
      <div data-guide-step data-guide-scopes="" data-guide-display-scopes-list="">
        <p>In the left sidebar, navigate to <strong>Applications</strong> > <strong>Protect an Application</strong>.</p>

        <ul>
          <li>Search for "Admin API" in the application list</li>
          <li>Click <strong>Protect</strong> next to "Admin API"</li>
        </ul>
      </div>
    </Step>

    <Step title="Configure Permissions">
      <div data-guide-step data-guide-scopes="" data-guide-display-scopes-list="">
        <p>On the application settings page, configure the required permissions.</p>

        <ul>
          <li>Enable <strong>Grant read resource</strong> for read-only access to users, groups, phones, and tokens</li>
          <li>Enable <strong>Grant write resource</strong> for write access to users, groups, phones, and tokens</li>
          <li>Enable <strong>Grant administrators</strong> for access to administrator management</li>
          <li>Enable <strong>Grant applications</strong> for access to integration management</li>
          <li>Enable <strong>Grant settings</strong> for access to account settings</li>
          <li>Enable <strong>Grant read log</strong> for access to authentication, admin, and telephony logs</li>
        </ul>
      </div>
    </Step>

    <Step title="Copy Credentials">
      <div data-guide-step data-guide-scopes="" data-guide-display-scopes-list="">
        <p>Copy the following credentials and store them securely.</p>

        <ul>
          <li><strong>Integration Key</strong>: Your API integration key (starts with DI)</li>
          <li><strong>Secret Key</strong>: Your API secret key (used for HMAC signing)</li>
          <li><strong>API Hostname</strong>: Your unique API hostname (e.g., api-XXXXXXXX.duosecurity.com)</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="/connect/managing-connectors/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>Integration Key</strong></li>
        <li><strong>Secret Key</strong></li>
        <li><strong>API Hostname</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="/gateway/concepts/linked-accounts">Accounts</a> page.</p>
</div>