> ## 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 ActiveCampaign with API Key – StackOne Hub

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

<Warning>Each user in your ActiveCampaign account has their own unique API key. If a user is deleted, integrations using their API credentials will break.</Warning>

<section data-guide-section data-guide-scopes="">
  <h2>Locating Your API URL</h2>

  <p>Your API URL is unique to your ActiveCampaign account and includes your data center region.</p>

  <Steps>
    <Step title="Access Developer Settings">
      <div data-guide-step data-guide-scopes="" data-guide-display-scopes-list="">
        <p>Sign in to your <a href="https://www.activecampaign.com/login" target="_blank" rel="noopener noreferrer">ActiveCampaign account</a> and navigate to <strong>Settings</strong> > <strong>Developer</strong>.</p>
      </div>
    </Step>

    <Step title="Copy Your API URL">
      <div data-guide-step data-guide-scopes="" data-guide-display-scopes-list="">
        <p>Find the <strong>API URL</strong> field displaying your unique URL and copy the entire URL.</p>

        <ul>
          <li>Format: `https://{account-name}.api-{region}.com`</li>
          <li>Example US: `https://acmecompany.api-us1.com`</li>
          <li>Example EU: `https://acmecompany.api-eu1.com`</li>
          <li>Note: Copy the full URL including https\:// but without any trailing path</li>
        </ul>
      </div>
    </Step>
  </Steps>
</section>

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

  <p>Each ActiveCampaign user has a unique API key for authenticating API requests.</p>

  <Steps>
    <Step title="Find and copy your API key">
      <div data-guide-step data-guide-scopes="" data-guide-display-scopes-list="">
        <p>In <strong>Settings</strong> > <strong>Developer</strong>, find the <strong>Key</strong> field below the API URL. Copy the full value and store it securely for use later.</p>

        <ul>
          <li>Note: Never share your API key publicly or commit it to version control.</li>
          <li>If compromised, click <strong>Reset API Key</strong> to regenerate it — this will break any existing integrations using the old key.</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 URL</strong></li>
        <li><strong>API Key</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>