Connect Wheelio to Conversio
Go to the Apps section in your Shopify admin dashboard and then click on Wheelio. You will see all of Wheelio's settings and need to scroll down to this section:
On the "Conversio" line, click on Login which will reveal the prompt to include your Conversio API key:
You can find your Conversio API key on your Settings page within your Conversio dashboard here:
Copy and paste that API key into the Wheelio settings page (in Step 2) and click "Continue". If you used the correct API key, you will see a confirmation screen like this:
Now when you go back to the Wheelio settings page, you will see a dropdown menu to select the list to which you want to sync the email addresses that you have captured via Wheelio. Make sure to select your "Active Mailing List" and that the option for "Enabled (send emails automatically to provider" is also selected.