Some apps in Crucials have feature to collect visitor emails for marketing purpose:
Popup
Back in Stock
Spin the Wheel
In this article, you will learn how to connect to Klaviyo to save the subscriber emails.
Step 1: Get Klaviyo private API key
In Klaviyo, go to Settings > Account > API keys and click on Create Private API Key:
In the next screen, set a name for the API key, and grant permissions. You need to make sure to grant at least full access to List and Profiles:
Notice: If you are unsure, you can just select Full Access Key to grant all permissions. However, it is not recommended.
Copy the generated API key:
Step 2: Configure in Crucials
In Crucials, go to Integration, and click on the button Configure next to Klaviyo:
Enter your Klaviyo private API key and click on Connect:
Select the list to save subscriber emails and click on Select list to finish the integration:
Extra step: View subscribers in Klaviyo
You can view the subscribers in the selected Klaviyo list:
To distinguish the subscribers from the app, the app set the city for the subscribers to "Crucials". You can use this property when creating a segment in Klaviyo: