Important: You can only connect Subscribe, and Subscribe to Unlock Coupon popups to email marketing services.
To connect a popup/variant to an external service, open it in the Popup editor and switch to the Settings panel.
There, you should find a field named Send collected emails to. ClickConfigure and a modal should slide down the page.
You’ll see you have two options when it comes to collecting emails: 1) Storing them inside holdonstranger; and 2) Forwarding them into an external service. Select the second option.
A new field should open with a few email marketing services to choose from. Select Customer.io
You’ll be asked to enter your Site Id and the API key. These fields are used to allow holdonstranger to integrate with your Customer.io service.
You can find your API Key and Site ID on the Customer.io integration page.
After you entered the required fields, the Connect button should turn green. Click it. If all goes well, your integration is done. Click save & Close.