> ## 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 SendGrid with API Key – StackOne Hub

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

<section data-guide-section data-guide-scopes="">
  <h2>Create an API Key in SendGrid</h2>

  <p>To connect SendGrid with StackOne, you need to generate an API key from your SendGrid account with the appropriate permissions.</p>

  <Steps>
    <Step title="Sign in to SendGrid">
      <div data-guide-step data-guide-scopes="" data-guide-display-scopes-list="">
        <p>Sign in to your <a href="https://app.sendgrid.com/login" target="_blank" rel="noopener noreferrer">SendGrid account</a>.</p>
      </div>
    </Step>

    <Step title="Navigate to API Keys">
      <div data-guide-step data-guide-scopes="" data-guide-display-scopes-list="">
        <p>In the left sidebar, expand <strong>Settings</strong> and select <strong>API Keys</strong>.</p>
      </div>
    </Step>

    <Step title="Create a New API Key">
      <div data-guide-step data-guide-scopes="" data-guide-display-scopes-list="">
        <p>On the API Keys page, click the <strong>Create API Key</strong> button in the top right corner.</p>
      </div>
    </Step>

    <Step title="Configure API Key Settings">
      <div data-guide-step data-guide-scopes="" data-guide-display-scopes-list="">
        <p>Fill in the API key creation form:</p>

        <ul>
          <li>Enter an <strong>API Key Name</strong> (e.g., StackOne Integration).</li>
          <li>Under <strong>API Key Permissions</strong>, select <strong>Full Access</strong> for complete integration capabilities, <strong>Billing Access</strong> for billing-only access, or <strong>Custom Access</strong> to configure granular permissions (e.g., Mail Send, Marketing, Stats, Suppressions, Teammates).</li>
          <li>Click <strong>Create & View</strong> to generate the key.</li>
        </ul>
      </div>
    </Step>

    <Step title="Copy the API Key">
      <div data-guide-step data-guide-scopes="" data-guide-display-scopes-list="">
        <p>After creation, your API key will be displayed. Copy the key immediately and store it securely — for security reasons, SendGrid will not show it again.</p>
      </div>
    </Step>
  </Steps>
</section>

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

  <p>When connecting in StackOne, select the region that matches your SendGrid account.</p>

  <Steps>
    <Step title="Select Your Region">
      <div data-guide-step data-guide-scopes="" data-guide-display-scopes-list="">
        <p>Choose <strong>Global</strong> for standard accounts or <strong>EU</strong> if you have an EU regional subuser configured for European data residency.</p>
      </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>Region</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>