The Resend Integration allows your AI-generated apps to send emails directly from workflows, user actions, or automated triggers — perfect for notifications, confirmations, or any email-based communication your app needs.

With the Resend Integration, your app can:

  • Send automated transactional emails
  • Notify users of important events (signups, job completions, etc.)
  • Integrate email sending into AI workflows
  • Use dynamic variables in your message body (e.g. user name, order ID)
  1. Go to Resend.
  2. Log in or create a free account.
  3. Navigate to API Keys from the dashboard sidebar.
  4. Click Create API Key, give it a name (e.g. “AI Builder”), and copy it.
    • Example: re_xxxxxxxxxxxxxxxxxxxxxxxxxxxx
  1. Open your app in the AI Builder.
  2. Click the Settings gear icon and navigate to the Integrations tab.
  3. Find and enable the Resend integration.
  4. Paste your API Key in the input field.
  5. Click Connect to confirm the connection.

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