> ## 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 Chargify (Maxio) with API Key – StackOne Hub

> Link a Chargify (Maxio) account in the StackOne Hub using API Key. End-user guide to authorize the integration and start using Chargify (Maxio) actions.

<section data-guide-section data-guide-scopes="">
  <h2>Generate Your API Key</h2>

  <p>Create an API Key from the Chargify (Maxio) Advanced Billing dashboard.</p>

  <Steps>
    <Step title="Access Integrations Settings">
      <div data-guide-step data-guide-scopes="" data-guide-display-scopes-list="">
        <p>Log in to your Chargify (Maxio) dashboard at `https://{your-subdomain}.chargify.com`, then navigate to <strong>Config</strong> > <strong>Integrations</strong> from the sidebar.</p>
      </div>
    </Step>

    <Step title="Create a New API Key">
      <div data-guide-step data-guide-scopes="" data-guide-display-scopes-list="">
        <p>Click <strong>New API Key</strong> to generate a new key. Copy the key immediately.</p>

        <ul>
          <li>The shared secret is displayed <strong>only once</strong> and cannot be retrieved later.</li>
          <li>Only admin users can manage API keys.</li>
          <li>You can have up to 10 API keys per site.</li>
        </ul>
      </div>
    </Step>

    <Step title="Enter the API Key">
      <div data-guide-step data-guide-scopes="" data-guide-display-scopes-list="">
        <p>Paste your API Key into the <strong>API Key</strong> field in StackOne.</p>
      </div>
    </Step>
  </Steps>
</section>

<section data-guide-section data-guide-scopes="">
  <h2>Retrieve Your Site Subdomain</h2>

  <p>Identify your Chargify (Maxio) site subdomain used to construct API requests.</p>

  <Steps>
    <Step title="Find Your Subdomain">
      <div data-guide-step data-guide-scopes="" data-guide-display-scopes-list="">
        <p>Your subdomain is the first part of your dashboard URL. For example, if your URL is '[https://mycompany.chargify.com](https://mycompany.chargify.com)' or '[https://mycompany.ebilling.maxio.com](https://mycompany.ebilling.maxio.com)', enter `mycompany`</p>
      </div>
    </Step>

    <Step title="Enter the Subdomain">
      <div data-guide-step data-guide-scopes="" data-guide-display-scopes-list="">
        <p>Enter your site subdomain (e.g., `mycompany`) in the <strong>Subdomain</strong> field.</p>
      </div>
    </Step>
  </Steps>
</section>

<section data-guide-section data-guide-scopes="">
  <h2>Select Your Data Region</h2>

  <p>Choose the region that matches where your Chargify (Maxio) account is hosted.</p>

  <Steps>
    <Step title="Identify Region">
      <div data-guide-step data-guide-scopes="" data-guide-display-scopes-list="">
        <p>Check your Chargify (Maxio) account URL to determine your data region.</p>

        <ul>
          <li><strong>US</strong> - Dashboard URL contains `chargify.com`</li>
          <li><strong>EU</strong> - Dashboard URL contains `ebilling.maxio.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="/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>API Key</strong></li>
        <li><strong>Site Subdomain</strong></li>
        <li><strong>Region</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>